EurekaMag Full Text Articles Chapter 3,103

Schnack, J.A.; Mariluis, J.C.; Spinelli, G.R.; Muzon, J. 1998: Ecological aspects on urban blowflies in midwest Argentinean Patagonia (Diptera: Calliphoridae). Revista de la Sociedad Entomologica Argentina 57(1/4): 127-130

Menzi, H.; Zihlmann, U.; Stauffer, W.; Weisskopf, P. 1998: Ecological assessment of keeping pigs outdoors. Einfluss von Erzeugung und Verarbeitung auf die Qualitat landwirtschaftlichen Produkte Vortrage zum Generalthema des 110 VDLUFA Kongresses, 14-18 September 1998, Giessen, Germany: 605-608

Haider, S.W.; Ganguly, G. 1995: Ecological association of Sphaerodema molestum Duf (Heteroptera: Belostomatidae) with aquatic plants. Annals of Entomology 13(1): 25-27

Laurance, W.F.; Harrington, G.N. 1997: Ecological associations of feeding sites of feral pigs in the Queensland wet tropics. Wildlife Research 24(5): 579-590

Gaillard, G.; Hausheer, J. 1999: Ecological balance of wheat cropping. Agrarforschung 6(1): 37-40

Geier, U.; Kopke, U. 1997: Ecological balances in agriculture - importance for ecological agriculture. Schriftenreihe Institut fur Organischen Landbau 4: 96-102

Ellis; Timms-Wilson; Beringer; Rhodes; Renwick; Stevenson; Bailey 1999: Ecological basis for biocontrol of damping-off disease by Pseudomonas fluorescens 54/96. Journal of Applied Microbiology 87(3): 454-463

L.Jingxian, Sheng Chengshi 1996: Ecological basis of larger wheat ear formation. Yingyong Shengtai Xuebao 7(1): 27-32

Sharma, S.N.; Arora, U. 1997: Ecological behavior of four fishes to assess the feeding habits on mosquito larvae. Environment and Ecology 15(1): 225-228

Patino, L.F.; Morales, O.J.G.; Buritica, C.P.; Zapata, J.L.; Jaramillo, V.S. 1998: Ecological behaviour and potential interaction between Phytophthora infestans and Solanaceae. Fitopatologia Colombiana 22(1/2): 59-64

Yang Pei; Yu DooJian 1997: Ecological benefits of controlling leafminers by Agrimec. Natural Enemies of Insects 19(3): 133-137

Verdu, M.; Garcia Fayos, P. 1998: Ecological causes, function, and evolution of abortion and parthenocarpy in Pistacia lentiscus (Anacardiaceae). Canadian Journal of Botany 76(1): 134-141

Thomas, R.C. 1998: Ecological changes in Bernwood forest - woodland management during the present millennium. The ecological history of European forests: based on presentations given at the International conference on advances in forest and woodland history, held at the University of Nottingham in September 1996: 225-239

Bilandzija, J.; Lindic, V. 1996: Ecological changes of pubescent and bitter oak coppice caused by fire. Sever, S, Protection of forests and timber production, Zastita suma i prodobivanje drva 29-34

G.W.nXiang; Duan ShunShan; Luo ShiMing 1998: Ecological characteristic of terpenoids and their allelopathic effects on plants. Journal of South China Agricultural University 19(4): 108-112

Ding ChangMing 1998: Ecological characteristics and cultural techniques of cantaloupe. Zhejiang Nongye Kexue 3: 145-147

Lim YunHee; Oh KooKyoon 1999: Ecological characteristics of Daphniphyllum macropodum population in the Naejangsan National Park. Korean Journal of Environment and Ecology 13(1): 17-33

Xie ZongQiang 1999: Ecological characteristics of Rheum palmatum in Yushu, Qinghai. Acta Botanica Yunnanica 21(3): 323-328

Berg, M.; Verhoef, H. 1998: Ecological characteristics of a nitrogen-saturated coniferous forest in The Netherlands. Biology and fertility of soils 6(4): 258-267

Lukacik, I.; Nic, J. 1997: Ecological characteristics of plant communities with the natural occurrence of yew (Taxus baccata L.), its growth and health state. Acta Facultatis Forestalis Zvolen 39: 9-20

Kratovalieva, S.; Mulev, M.; Mitrikeski, J.; Mitkova, T. 1998: Ecological characteristics of some mostly hemicryptophytic taxa of the genus Bromus L. in the Skopje Valley. Macedonian Agricultural Review 45(1-2): 73-77

Buide, M.L.; Sanchez, J.M.; Guitian, J. 1998: Ecological characteristics of the flora of the Northwest Iberian Peninsula. Plant Ecology 135(1): 1-8

Anderson, R.L. 1998: Ecological characteristics of three winter annual grasses. Weed Technology 12(3): 478-483

X.Peng 1997: Ecological characteristics, problems and developmental strategy of plain desert in northern Xinjiang. Acta Prataculturae Sinica 6(4): 6-10

Chavez Ramirez, F.; Wang, X.; Jones, K.; Hewitt, D.; Felker, P. 1997: Ecological characterization of Opuntia clones in south Texas: implications for wildlife herbivory and frugivory. Journal of the Professional Association for Cactus Development 2: 9-19

Koppenhofer; Kaya 1999: Ecological characterization of steinernema rarum. Journal of Invertebrate Pathology 73(1): 120-128

Baca, A.F.; Bello, C.C.; Sicard, T.L. 1998: Ecological characterization of native earthworm (Pheretima sp., Eudovoscolex sp. and Periscolex sp.) under different soil uses (Guaviare, Colombia). Agronomia Colombiana 15(2/3): 194-203

Pinard, M.A.; Putz, F.E.; Rumiz, D.; Guzman, R.; Jardim, A. 1999: Ecological characterization of tree species for guiding forest management decisions in seasonally dry forests in Lomerio, Bolivia. Forest Ecology and Management 113(2/3): 201-213

Tristao, R.A.; Reis, M. das G.F.; Costa, L.M. da; Aspiazu, C. 1997: Ecological classification of an area in Minas Gerais State: a biopedological method. Revista Arvore 21(2): 201-212

Gornostaev, N.G. 1996: Ecological classification of drosophilid flies (Diptera, Drosophilidae). Entomologicheskoe Obozrenie 75(3): 698-705

Andrade, L.A. de; Acosta, V.H.; Brites, R.S. 1996: Ecological classification of the watershed of the Paraiba river, using a geographic information system. Revista Arvore 20(4): 555-564

Bizjak, F. 1997: Ecological company management. ISEODI ' 97 State and Development Trends in Wood Industry 8th Interchair Meeting of Organizers and Economists in Wood Industry 12th Economic Forum, Stubicke Toplice, Croatia: 105-110

Wiedemeier, P.; Duelli, P. 1999: Ecological compensation areas to enhance beneficial arthropods. Agrarforschung 6(7): 265-268

Pasinelli, G.; Oberholzer, E.; Buhlmann, J. 1998: Ecological compensation payments in forests: the example of Niderholz in Zurich canton. Schweizerische Zeitschrift fur Forstwesen 149(10): 822-830

Bornette, G.; Amoros, C.; Piegay, H.; Tachet, J.; Hein, T. 1998: Ecological complexity of wetlands within a river landscape. Biological Conservation 85(1-2): 35-45

Meng FanHua 1997: Ecological condition and growth regularity of Thuja koraiensis. Journal of Northeast Forestry University 25(5): 50-52

Grynia, M.; Kryszak, A.; Grzelak, M. 1997: Ecological conditioning of the occurrence of legumes in meadow-pasture communities in Great Poland. Management for grassland biodiversity Proceedings of the International Occasional Symposium of the European Grassland Federation, Warszawa omza, Poland, 19-23 May, 1997: 1999?; 301-305

Gaal, T.M. van; Galatowitsch, S.M.; Strefeler, M.S. 1998: Ecological consequences of hybridization between a wild species (Echinacea purpurea) and related cultivar (E. purpurea 'White Swan'). Scientia Horticulturae 76(1/2): 73-88

Nikolaeva, S.A.; Rozov, S.Y. 1997: Ecological consequences of irrigation in the steppe zone. Moscow University Soil Science Bulletin 52(4): 14-20

Owens, M.K. 1999: Ecological consequences of reintroducing fire into mesquite/acacia savannas. People and rangelands: building the future Proceedings of the VI International Rangeland Congress, Townsville, Queensland, Australia, 19-23 July, 1999 Volumes 1 and 2: 236-238

Richards, A.; Matthews, M.; Christian, P. 1998: Ecological considerations for the environmental impact evaluation of recombinant baculovirus insecticides. Annual Review of Entomology 43: 493-517

Hilton, G.M.; Houston, D.C.; Barton, N.W.H.; Furness, R.W.; Ruxton, G.D. 1999: Ecological constraints on digestive physiology in carnivorous and piscivorous birds. Journal of Experimental Zoology 283(4/5): 365-376

Groffman, P.M. 1997: Ecological constraints on the ability of precision agriculture to improve the environmental performance of agricultural production systems. Ciba Foundation Symposium 210: 52-64; Discussion 64-7 68-78

Tilikidou, I.; Zotos, Y. 1999: Ecological consumer behaviour: review and suggestions for future research. Medit 10(1): 14-21

Bourbos, V.A.; Darakis, G.A.; Barbopoulou, E.; Sgouros, S. 1999: Ecological control of powdery mildew (Uncinula necator) by the use of soft fungicides. Organic agriculture the credible solution for the 21st Century Proceedings of the 12th International IFOAM Scientific Conference, Mar del Plata, Argentina, November 15-19, 1998: 200-204

Bengmark, S. 1998: Ecological control of the gastrointestinal tract. The role of probiotic flora. Gut 42(1): 2-7

Thompson, K.; Bakker, J.P.; Bekker, R.M.; Hodgson, J.G. 1998: Ecological correlates of seed persistence in soil in the north-west European flora. Journal of Ecology 86(1): 163-169

Hodkinson, D.J.; Askew, A.P.; Thompson, K.; Hodgson, J.G.; Bakker, J.P.; Bekker, R.M. 1998: Ecological correlates of seed size in the British flora. Functional Ecology 12(5): 762-766

Strauss, S.Y.; Siemens, D.H.; Decher, M.B.; Mitchell Olds, T. 1999: Ecological costs of plant resistance to herbivores in the currency of pollination. Evolution 53(4): 1105-1113

Garedal, L.; Lundegardh, B. 1998: Ecological cultivation of greenhouse tomatoes (Lycopersicon esculentum Mill.) in limited beds fertilized with locally produced mulches: effects on growth and yield. Biological Agriculture and Horticulture 16(2): 173-189

Krishnan, R.M.; Rammohan, H.; Ramesh, B.R. 1997: Ecological database of some South Indian medicinal plants. Journal of Economic and Taxonomic Botany 21(3): 625-637

Bowyer Bower, T.A.S.; Mapaure, I.; Drummond, R.B. 1996: Ecological degradation in cities: impact of urban agriculture in Harare, Zimbabwe. JASSA, Journal of Applied Science in Southern Africa 2(2): 53-67

Richardson, S.D. 1998: Ecological democracy in New Zealand. Commonwealth Forestry Review 77(1): 36-38, 68, 70

Nikonova, N.N.; Famelis, T.V.; Shurova, E.A. 1999: Ecological differentiation and biological diversity of plant cover in Sverdlovsk oblast. Russian Journal of Ecology 30(3): 199-202

Sharova, I.K.; Denisova, M.I. 1997: Ecological differentiation of some forest species of the genus Pterostichus Bonelli (Coleoptera: Carabidae) from the forest-steppe of central Russia. Doklady, Biological Sciences 356(1/6): 494-496

Wang Ping; Yin LiJuan; Li JianDong 1997: Ecological distribution and physiological adaptation to saline-alkali environment of C3 and C4 plants in Northeastern China prairie area. Chinese Journal of Applied Ecology 8(4): 407-411

Kattach, G.; Osman, A.E.; Steinbach, J. 1998: Ecological distribution of annual legumes in the Syrian steppe and their characterization under controlled (greenhouse) conditions. Plant Genetic Resources Newsletter 114: 16-21

Lavorel, S. 1999: Ecological diversity and resilience of Mediterranean vegetation to disturbance. Diversity and Distributions 5(1/2): 3-13

Sas Biswas 1999: Ecological diversity of Dendrocalamus strictus in different forest types. Bamboo and rattan genetic resources and use Proceedings of the third INBAR IPGRI biodiversity, genetic resources and conservation working group meeting, Serdang, Malaysia, 24-27 August 1997: 19-25

Zeng YaWen; Shen ShiQuan; Xu FuRong; Shen Rui 1999: Ecological diversity of cold-tolerant rice in Yunnan, China. Plant Genetic Resources Newsletter 117: 43-47

Yilmaz, K.Tuluhan 1998: Ecological diversity of the Eastern Mediterranean region of Turkey and its conservation. Biodiversity and Conservation 7(1): 87-96

Lehane, R. 1999: Ecological economics - balancing conservation and development. Partners in Research for Development 12: 47-52

Izac, A.M.N. 1997: Ecological economics of investing in natural resource capital in Africa. Replenishing soil fertility in Africa Proceedings of an international symposium, Indianapolis, USA, 6 November 1996: 237-251

Wu YanYu; Wang Xin; Liang RenLu; Wu TieZheng 1997: Ecological effect of compound pollution of heavy metals in soil-plant system I. Effect on crop, soil microorganism, alfalfa and tree. Chinese Journal of Applied Ecology 8(2): 207-212

Zhu, B.; Qing, C.; Mu, S. 1997: Ecological effect of exotic Cd-Zn compound pollution on purple soil. Yingyong Shengtai Xuebao 8(6): 639-644

Louda, S.M.; Kendall, D.; Connor, J.; Simberloff, D. 1997: Ecological effects of an insect introduced for the biological control of weeds. Science 277(5329): 1088-1090

Lee, J.A.; Caporn, S.J.M. 1998: Ecological effects of atmospheric reactive nitrogen deposition on semi-natural terrestrial ecosystems. New Phytologist 139(1): 127-134

Luo YuZhu 1997: Ecological effects of grazing seasons on wool characteristics on Qinghai Plateau. Acta Prataculturae Sinica 6(2): 74-80

Muzika, R.M.; Liebhold, A.M. 1997: Ecological effects of introduced species in North America. Acta Phytopathologica et Entomologica Hungarica 32(1-2): 161-170

Niemi, G.; Hershey, A.; Shannon, L.H.nowski, J.; Lima, A.A.ler, R.; Regal, R. 1999: Ecological effects of mosquito control on zooplankton, insects, and birds. Environmental toxicology and chemistry 18(3): 549-559

Boxel, J.H. van; Jungerius, P.D.; Kieffer, N.; Hampele, N. 1997: Ecological effects of reactivation of artificially stabilized blowouts in coastal dunes. Journal of Coastal Conservation 3(1): 57-62

Meyer, H.; Wolters, V. 1998: Ecological effects of the use of broad-spectrum herbicides in herbicide-resistant transgenic crops. Verhandlungen der Gesellschaft fur Okologie 28: 337-344

Kinnaird, M.F.; O' Brien, T.G. 1998: Ecological effects of wildfire on lowland rain forest in Sumatra. Conservation Biology 12(5): 954-956

Touyama, Y.; Nakagoshi, N.; Adachi, S.; Nehira, K. 1998: Ecological evaluation of reforestation at the burnt forest site. Journal of the Japanese Forestry Society 80(1): 27-34

Puponin, A.; Zakharenko, A.V. 1998: Ecological evaluation of the application of herbicides in crop rotations under conditions of improvement of mechanical soil treatment. Izvestiya Timiryazevskoi Sel' skokhozyaistvennoi Akademii 2: 12-25

Lawler, I.R.; Stapley, J.; Foley, W.J.; Eschler, B.M. 1999: Ecological example of conditioned flavor aversion in plant-herbivore interactions: effect of terpenes of Eucalyptus leaves on feeding by common ringtail and brushtail possums. Journal of Chemical Ecology 25(2): 401-415

Langen, T.A.; Vehrencamp, S.L. 1998: Ecological factors affecting group and territory size in white-throated Magpie-Jays. Auk 115(2): 327-339

Swart, JM.; Richardson, PRK.; Ferguson, JWH. 1999: Ecological factors affecting the feeding behaviour of pangolins (Manis temminckii). Journal of Zoology (London) 247(3): 281-292

Carey, A.B. 1998: Ecological foundations of biodiversity: lessons from natural and managed forests of the Pacific northwest. Northwest Science 72(Special Issue 2): 127-133

Degen, B.; Scholz, F. 1998: Ecological genetics in forest ecosystems under stress as analysed by the simulation model ECO-GENE. Chemosphere 36(4-5): 819-824

Gmira, N.; Douira, A.; Bouhache, M. 1998: Ecological grouping of Solanum elaeagnifolium: a principal weed in the irrigated Tadla plain (central Morocco). Weed Research Oxford 38(2): 87-94

Arpaia, S. 1996: Ecological impact of Bt-transgenic plants: 1. Assessing possible effects of CryIIIB toxin on honey bee (Apis mellifera L.) colonies. Journal of Genetics and Breeding 50(4): 315-319

Arpaia, S.; Sunseri, F. 1996: Ecological impact of Bt-transgenic plants: 2. Assessing the potential invasiveness of transgenic eggplant resistant to the Colorado potato beetle (Leptinotarsa decemlineata Say). Journal of Genetics and Breeding 50(4): 393-395

Ram, N.; Jana, M.M. 1997: Ecological impact of compaction under teak plantation in the foothill of Darjeeling Himalaya. Indian Forester 123(7): 623-630

Fuller Janice, L. 1998: Ecological impact of the mid-Holocene hemlock decline in southern Ontario, Canada. Ecology 79(7): 2337-2351

Suckling, D.; Walker, J.; Wearing, C. 1999: Ecological impact of three pest management systems in New Zealand apple orchards. Agriculture ecosystems and environment 73(2): 129-140

Abbasi, S.A.; Vinithan, S. 1999: Ecological impacts of Eucalyptus tereticornis-globulus (Eucalyptus hybrid) plantation in a mining area. Indian Forester 125(2): 163-186

Lei, S.A. 1999: Ecological impacts of Pogonomyrmex on woody vegetation of a Larrea-Ambrosia shrubland. Great Basin Naturalist 59(3): 281-284

Abbasi, S.A.; Vinithan, S. 1997: Ecological impacts of eucalypts - myths and realities. Indian Forester 123(8): 710-739

Gascon, C.; Lovejoy, T.E. 1998: Ecological impacts of forest fragmentation in central Amazonia. Zoology (Jena) 101(4): 273-280

Puigdefabregas, J. 1998: Ecological impacts of global change on drylands and their implications for desertification. Land Degradation and Development 9(5): 393-406

Huryn, Vivian, M.Butz 1997: Ecological impacts of introduced honey bees. Quarterly Review of Biology 72(3): 275-297

Mohanty, D.C.; Pattnaik, A.K.; Senapati, A.K.; Dash, D.K. 1998: Ecological implication of turmeric cultivation in the Eastern Ghats of Orissa. Environment and Ecology 16(2): 468-470

Norris, R.F. 1999: Ecological implications of using thresholds for weed management. Journal of Crop Production 2(1): 31-58

Kurgak, V. 1997: Ecological importance of meadows in agrarian landscapes of Ukrainian Polesye Region. Visnik Agrarnoi Nauki 2: 50-54

Hauschild, C.; Stockmann, A. 1998: Ecological indicators of alder swamp forests. Verhandlungen Gesellschaft fur Okologie 28: 515-521

Groves, R.H. 1998: Ecological indicators of landscape degradation. Rundel, P W Author, Montenegro, G Author, Janksic, F M Author Ecological Studies; Landscape disturbance and biodiversity in Mediterranean-type ecosystems 55-62

Ahmed, M.; Shams, N. 1999: Ecological input-costs in agricultural production in Northwest Kampuchea. Journal of Sustainable Agriculture 12(4): 5-23

Cassman, K.G. 1999: Ecological intensification of cereal production systems: yield potential, soil quality, and precision agriculture. Proceedings of the National Academy of Sciences of the United States of America 96(11): 5952-5959

Cronin, D.; Moenne Loccoz, Y.; Fenton, A.; Dunne, C.; Dowling, D.N.; O'Gara, F. 1997: Ecological interaction of a biocontrol Pseudomonas fluorescens strain producing 2,4-diacetylphloroglucinol with the soft rot potato pathogen Erwinia carotovora subsp. atroseptica. FEMS Microbiology Ecology 23(2): 95-106

Wood, C.C.; Foote, C.J.; Rutherford, D.T. 1999: Ecological interactions between juveniles of reproductively isolated anadromous and non-anadromous morphs of sockeye salmon, Oncorhynchus nerka, sharing the same nursery lake. Environmental Biology of Fishes 54(2): 161-173

Vucetich, J.A.; Creel, S. 1999: Ecological interactions, social organization, and extinction risk in African wild dogs. Conservation Biology 13(5): 1172-1182

Mung' ong' o, C.G. 1996: Ecological interdependencies, wealth differentiation and land degradation in a stressed semi-arid area. A study of one core and one expansion village in Kondoa District, Central Tanzania. Report Regional Soil Conservation Unit 13: 64-76

Zanin, G.; Otto, S.; Riello, L.; Borin, M. 1997: Ecological interpretation of weed flora dynamics under different tillage systems. Agriculture Ecosystems and Environment 66(3): 177-188

Lorenz, J. 1996: Ecological investigation on the beetle fauna of wooded islands and other elements in a highly structured agricultural landscape near Dresden. Verhandlungen der Gesellschaft fur Okologie 26: 327-332

Beck, M. 1997: Ecological irrigation and fertigation of soil grown plants in greenhouses. Acta Horticulturae 450: 413-417

Schuster, M.; Volk, G. 1998: Ecological issues of the northwestern Himalayas-a view through European eyes. Headwaters: water resources and soil conservation Proceedings of Headwater ' 98, Fourth International Conference on Headwater Control, Merano, Italy, April 1998: 25-30

X.H.aCheng; Qin Yong; Zhen JunBao; Wang BoYing 1998: Ecological land classification and its application to forestry. Scientia Silvae Sinicae 34(1): 1-8

Miranda, M.M.M.; Picanco, M.; Zanuncio, J.C.; Guedes, R.N.C. 1998: Ecological life table of Tuta absoluta (Meyrick) (Lepidoptera: Gelechiidae). Biocontrol Science and Technology 8(4): 597-606

Ammer, C.; Krotz, G. 1997: Ecological light measurement in forests using the light degradation effect in hydrogenated amorphous silicon (a-Si:H). Annales des Sciences Forestieres 54(6): 539-552

Fillat, F. 1996: Ecological limitations of Spanish Pyrenean livestock, and new proposals. Herba 9: 45-54

Gravena, S. 1998: Ecological management of Citrus pests - practical aspects. Laranja 19(1): 61-77

Guharay, F.; Monterrey, J.; Jimenez, C.M.; Barrios, M.; Morales, R.; Morales, S.; Quintero, N. 1997: Ecological management of the coffee borer in Nicaragua. IICA Miscellaneous Publication ( A1/SC-97-05): 353-367

Kousis, M. 1998: Ecological marginalization in rural areas: actors, impacts, responses. Sociologia Ruralis 38(1): 86-108

Kretter, A. 1998: Ecological marketing in firm management. Sbornik praci z mezinarodni vedecke konference, Agrarni perspektivy VII Evropska integrace a vyuzivani prirodnich zdroju, Dil I, Praha, Czech Re ic, 17-18 Zari 1998: 212-215

Moravie, M.A.; Durand, M.; Houllier, F. 1999: Ecological meaning and predictive ability of social status, vigour and competition indices in a tropical rain forest (India). Forest Ecology and Management 117(1/3): 221-240

Dyakunchak, S.A.; Bolakhonenkova, V.D.; Varvarina, N.A. 1997: Ecological methods of tomato protection from diseases. Kartofel' i Ovoshchi 2: 26-27

Lagnevik, M.; Tjarnemo, H. 1997: Ecological minded retailers: a driving force for upgrading competitiveness of the Swedish food sector?. Competitiveness in the food industry: 209-252

Hocevar, M.; Kovac, M.; Hladnik, D. 1996: Ecological monitoring of preserved forested landscapes in Slovenia by means of remote sensing and GIS. Remote sensing and computer technology for natural resource assessment Proceedings of the Subject Group S402-00 ' Forest Resource Inventory and Monitoring' and Subject Group S412-00 ' Remote Sensing Technology' Volume II IUFRO XX World Congress, 6-12 August 1995, Tampere, Finland: 95-118

Neefjes, K. 1998: Ecological needs of communities during and after dryland crises. Plants for food and medicine Proceedings of the joint conference of the Society for Economic Botany and the International Society for Ethnopharmacology, London, UK, 1-6 July 1996: 237-249

Engstrom, R.T.; Mikusinski, G. 1998: Ecological neighborhoods in Red-cockaded Woodpecker populations. Auk 115(2): 473-478

Varghese, A.O.; Menon, A.R.R. 1999: Ecological niches and amplitudes of rare, threatened and endemic trees of Peppara Wildlife Sanctuary. Current Science 76(9): 1204-1208

Kurkin, K.A. 1999: Ecological niches and synusiae in meadow phytocoenoses. Russian Journal of Ecology 30(3): 155-158

Rondelli, F. 1994: Ecological niches in natural truffles of Tuber magnatum Pico of the central Apennines. Note 1. Annali della Facolta di Agraria, Universita degli Studi di Perugia 48: 537-553

Moustafa, A.A.; Kamel, W.M. 1995: Ecological notes on the floristic composition and endemic species of Saint Catherine area, South Sinai, Egypt. Egyptian Journal of Botany 35(2): 177-200

Milutinovic, M.; Petrovic, Z.; Bobic, B.; Pavlovic, I. 1997: Ecological notes on ticks (Acari: Ixodidae) collected in West Serbia, Yugoslavia. Parasitologia Hungarica ( 29/30): 67-74

Bacigalova, K. 1997: Ecological notes to the distribution of Taphrinales fungi in Slovakia. Biologia (Bratislava) 52(1): 7-10

Nandi, J.; Rao, J.S.; Dasgupta, R.K.; Sharma, R.S. 1996: Ecological observations on the anopheline mosquitoes of Jalpaiguri Duars, West Bengal. Journal of Communicable Diseases 28(4): 279-286

Rawat, G.S.; Goyal, S.P.; Johnsingh, A.J.T. 1997: Ecological observations on the grasslands of Corbett Tiger Reserve, India. Indian Forester 123(10): 958-963

Malozemova, L.A.; Malozemov, Y.A. 1999: Ecological peculiarities of ants in urbanized areas. Russian Journal of Ecology 30(4): 283-286

Iutinskaya, G.A.; Antipchuk, A.F.; Andreyuk, E.I. 1997: Ecological plasticity of free-living diazotrophs in soils polluted with heavy metals. Mikrobiolohichnyi Zhurnal 59(4): 83-90

Koptik, I.K.; Trompel' , A.F.; Koptik, N.I. 1996: Ecological plasticity of winter wheat cultivars with zonal distribution in Belarussian conditions. Vestsi Akademii Agrarnykh Navuk Belarusi 1: 32-36

Schwieger, F.W.llke, B.M.nch, J.; Tebbe, C. 1997: Ecological pre-release risk assessment of two genetically engineered, bioluminescent Rhizobium meliloti strains in soil column model systems. Biology and fertility of soils 5(4): 340-348

Sanchez, E.G.; Munoz, B.; Garvin, M.H.; Jesus, J.B.; Diaz Cosin, D.J. 1997: Ecological preferences of some earthworm species in southwest Spain. Soil Biology and Biochemistry 29(3-4): 313-316

Cheng ShiHua; Sun ZongXiu; Si HuaMin; Zhou LiSheng 1997: Ecological pressure of daylength and temperature in different latitude region on selection of photo- or thermosensitive genic male sterility of rice. Acta Agronomica Sinica 23(6): 683-688

Otto, H.J. 1996: Ecological principles and silvicultural practice in the treatment of tree groups. Dendronatura 17(2): 13-25

Shamsutdinov, E.Sh 1997: Ecological principles for rehabilitation of degraded arid rangeland. Russian Agricultural Sciences 9: 14-15

Wood, D. 1998: Ecological principles in agricultural policy: but which principles?. Food Policy 23(5): 371-381

Conway, G. 1999: Ecological principles in agricultural policy: but which principles? A response. Food Policy 24(1): 17-20

L.P.ngPing; Bian XinMin; Zhang XiGu; Gao DeMing 1998: Ecological principles of high and stable yield of wheat-maize-rice triple cropping system in Yangtze River delta region. Chinese Journal of Applied Ecology 9(1): 41-46

Rachev, R.; Vaslleva, H.; Markov, E.; Kirkov, L.; Nenova, N. 1997: Ecological problems and bioremediation of hydrocarbon pollutants in soils and water object, application and prospects. Pochvoznanie, Agrokhimiya y Ekologiya 32(4): 3-23

Assparuchov, K.; Dinev, D. 1998: Ecological problems of timber harvesting during end felling in oak forests in eastern Bulgaria. Forstliche Forschungsberichte Munchen 174: 1-7

Zhang, Y.; Malmqvist, B.; Englund, G. 1998: Ecological processes affecting community structure of blackfly larvae in regulated and unregulated rivers: a regional study. Journal of Applied Ecology 35(5): 673-686

Tiemann, R.; Pfluger, W. 1999: Ecological profile of the fungicide iprovalicarb. Pflanzenschutz-Nachrichten Bayer 52(1): 61-70

Nikiel, S. 1997: Ecological purification of wastewaters, auxiliary equipment for this, and utilization of communal wastes. Gazeta Cukrownicza 105(3): 48-51

Boehncke, E. 1998: Ecological reasons for a turn of events in livestock breeding. Tieraerztliche Umschau 53(2): 63-67

Hazra, C.R. 1996: Ecological rehabilitation of degraded lands and barren hills for sustainable agricultural development on watershed basis at Kharaiya Nala (Jhansi). Range Management and Agroforestry 17(2): 99-115

Bai, Z.; Wang, W.; Li, J.; Lu, C. 1998: Ecological rehabilitation of drastically disturbed land at large opencut coal mine in loess area. Yingyong Shengtai Xuebao 9(6): 621-626

Jordal, B.H.; Kirkendall, L.R. 1998: Ecological relationships of a guild of tropical beetles breeding in Cecropia petioles in Costa Rica. Journal of Tropical Ecology 14(2): 153-176

Dewes, T. 1997: Ecological relevance and assessment of farmyard manure storage on unprotected ground. Schriftenreihe Institut fur Organischen Landbau 4: 488-494

Dukas, R. 1999: Ecological relevance of associative learning in fruit fly larvae. Behavioral Ecology and Sociobiology 45(3/4): 195-200

Benedini, M. 1997: Ecological requirements in the management of an irrigation reservoir. Water for a changing global community Proceedings of theme B environmental and coastal hydraulics: protecting the aquatic habitat Vol 1-27th Congress of the International Association for Hydraulic Research, San Francisco, California, USA, 10-15 August 1997: 540-545

Rolland, C.; Michalet, R.; Desplanque, C.; Petetin, A.; Aime, S. 1999: Ecological requirements of Abies alba in the French Alps derived from dendro-ecological analysis. Journal of Vegetation Science 10(3): 297-306

Asner, G.P.; Braswell, B.H.; Schimel, D.S.; Wessman, C.A. 1998: Ecological research needs from multiangle remote sensing data. Remote Sensing of Environment 63(2): 155-165

Wang ZongYing; Lu YouCheng; Pan ZhiQing; Yu YiSheng; Jiang YeKe 1996: Ecological research on soil fauna and Gilpinia lipuensis on Pinus massoniana in Linguo County. Scientia Silvae Sinicae 32(3): 230-237

Matic, Z.; Floca, L.A.; Hodoroga, A.A.; Hurezeanu, A. 1996: Ecological researches concerning the Chilopod populations from some forest types in Bistrita-Nasaud County. Studia Universitatis Babes-Bolyai. Series Biologia 41(1-2): 51-56

Santana Huicochea, G. 1998: Ecological restoration and conservation under sustainable development and environmental education program in two areas of the North of Guerrero, Mexico. Advances in ecological sciences Volume 1: Ecosystems and sustainable development: 295-304

Bowcutt, F. 1999: Ecological restoration and local communities: a case study from Sinkyone Wilderness State Park, Mendocino County, California. Human Ecology New York 27(2): 359-368

Vallauri, D.; Chauvin, C.; Mermin, E. 1997: Ecological restoration of degraded forest areas in the southern French Alps. An account of 130 years of restoration, and current problems in managing Austrian pine planted forests. Revue Forestiere Francaise 49(5): 433-449

Claassen, M. 1999: Ecological risk assessment as a framework for environmental impact assessments. Water Science and Technology 39(10/11): 151-154

Kozdroj, J. 1997: Ecological risk assessment associated with release of genetically microorganisms into soil. Postepy Mikrobiologii 36(4): 339-350

Jones, D.S.; Barnthouse, L.W.; Suter, G.W.I.I.; Efroymson, R.A.; Field, J.M.; Beauchamp, J.J. 1999: Ecological risk assessment in a large river-reservoir: 3. Benthic invertebrates. Environmental Toxicology and Chemistry 18(4): 599-609

Powell, R.L.; Kimerle, R.A.; Coyle, G.T.; Best, G.R.nnie 1997: Ecological risk assessment of a wetland exposed to boron. Environmental Toxicology and Chemistry 16(11): 2409-2414

Steen, R.; Leonards, P.; Brinkman, U.; Barcelo, D.T.onczynski, J.A.banis, T.; Cofino, W. 1999: Ecological risk assessment of agrochemicals in European estuaries. Environmental toxicology and chemistry 18(7): 1574-1581

Hall, L.W.Jr; Scott, M.C.; Killen, W.D. 1998: Ecological risk assessment of copper and cadmium in surface waters of Chesapeake Bay watershed. Environmental Toxicology and Chemistry 17(6): 1172-1189

Juhlin, S.E.; Halbrook, R.S. 1997: Ecological risk assessment of pesticides on muskrats (Ondatra zibethicus) inhabiting an agriculture area in Illinois, USA. Environmental Toxicology and Chemistry 16(12): 2584-2589

Liang, Y.; Wong, M.H.; Shutes, R.B.E.; Revitt, D.M. 1999: Ecological risk assessment of polychlorinated biphenyl contamination in the Mai Po Marshes Nature Reserve, Hong Kong. Water Research Oxford 33(6): 1337-1346

Pandey, J.S.; Shanker, R.; Mullick, S.; Kedar, A.; Khanna, P. 1998: Ecological risk assessment of the Chilka lake in India. Water quality and its management Proceedings First International Specialized Conference, New Delhi, India, 2-6 March 1998: 60-67

Weber, B.E.G.; Jager, M.; Eckelkamp, C. 1998: Ecological risks of genetically engineered virus resistant plants. Verhandlungen der Gesellschaft fur Okologie 28: 345-354

Lee, SY. 1998: Ecological role of grapsid crabs in mangrove ecosystems: a review. Marine and Freshwater Research 494: 335-343 (Special Issue)

Florincescu, A.; Wagner, S.; Zaharia, D. 1997: Ecological roses - a possible alternative for modern Romanian landscape architecture. Notulae Botanicae, Horti Agrobotanici, Cluj Napoca 26/27: 93-98

Dyson, J.S. 1997: Ecological safety of paraquat with particular reference to soil. Planter 73(858): 467-468, 471-474, 477-478

Grynia, M.; Kryszak, A. 1997: Ecological scale of occurrence and proportion of leguminous plants in meadow-pasture communities in selected river valleys in Great Poland region. Prace z Zakresu Nauk Rolniczych 83: 39-47

Lambelet Haueter, C.; Mosimann, E.; Delabays, N. 1998: Ecological set-aside on arable land: description and management. Revue Suisse d'Agriculture 30(6): 259-270

Rensburg, S.J. van; Stock, W.D.; Bond, W.J. 1999: Ecological significance of ecotypic variation in Themeda triandra Forssk. People and rangelands: building the future Proceedings of the VI International Rangeland Congress, Townsville, Queensland, Australia, 19-23 July, 1999 Volumes 1 and 2: 938-939

Depledge, M.H.; Billinghurst, Z. 1999: Ecological significance of endocrine disruption in marine invertebrates. Marine Pollution Bulletin 39(1/12): 32-38

Ciuberkis, S. 1997: Ecological significance of long-term fertilization with farmyard manure and soil reaction on weed flora. Integrated plant protection: achievements and problems Proceedings of the scientific conference devoted to the 70th anniversary of plant protection science in Lithuania, Dotnuva Akademija, Lithuania, 7-9 September 1997: 184-187

Hong, T.; Nishida, R. 1998: Ecological significance of male attractant in the defence and mating strategies of the fruit fly, Bactrocera papayae. Entomologia experimentalis et applicata 89(2): 155-158

Bolea, V.; Surdu, A.; Mandai, M. 1997: Ecological significance of nutrition differences in Norway spruce. 2. Macro- and microelement needle contents of chlorocarpa and erythrocarpa forms. Revista de Silvicultura 1: 5-8

Bolea, V.V.; Popescu, N.E.; Surdu, A.; Mandai, M. 1996: Ecological significance of nutritional biodiversity in Norway spruce. (1) Chemical composition of needles in relation to soil, branching, bark colour, and health status of tree. Revista de Silvicultura 3: 9-17

Kohlstock, N. 1996: Ecological silviculture - new ways in forest plant breeding. Mitteilungen der Bundesforschungsanstalt fur Forst und Holzwirtschaft, Hamburg 185: 140-148

Kalliola, R.; Paitan, S.F. 1998: Ecological site conditions and landuse options in Amazonian Peru. Advances in ecological sciences Volume 1: Ecosystems and sustainable development Proceedings of a conference, Peniscola, Spain, 14-16 October 1997: 253-263

Szoszkiewicz, J.; Dembek, R.; Latanowicz, M.; Madziar, Z.; Szoszkiewicz, K.; Zbierska, J. 1996: Ecological spectrum of leguminous plants in the meadow associations of central Poland. Prace z Zakresu Nauk Rolniczych 81: 183-193

Burenin, V.I.; Yudaeva, V.E.; Plyushch, O.V. 1998: Ecological stability of collection accessions. Sakharnaya Svekla 2: 13-15

Prasad, D. 1998: Ecological strategies for management of phytonematodes. Dhaliwal, G S, Randhawa, N S, Arora, R, Dhawan, A K Ecological agriculture and sustainable development, Vols 1 and 2 347-354

Spatz, G.; Papachristou, T.G. 1999: Ecological strategies of shrubs invading extensified grasslands: their control and use. Grasslands and woody plants in Europe Proceedings of the International occasional symposium of the European Grassland Federation, Thessaloniki, Greece, 27-29 May 1999: 27-36

Oblak, L.; Kropiveek, J. 1997: Ecological strategy - a market opportunity for Slovenian wood industry firms. ISEODI ' 97 State and Development Trends in Wood Industry 8th Interchair Meeting of Organizers and Economists in Wood Industry 12th Economic Forum, Stubicke Toplice, Croatia: 111-116

Bednorz, L. 1998: Ecological structure of Daphne mezereum L. populations of the Wielkopolska lowland. Roczniki Akademii Rolniczej w Poznaniu, Ogrodnictwo 26: 17-29

Martin, K. 1998: Ecological studies in the ViSCA-Hohenheim co-operation. PLITS 16(2): 171-179

Gardin, L.; Baglioni, F.; Lulli, L.; Risi, B. 1997: Ecological studies of Tuber aestivum in Tuscany. Monti e Boschi 48(5): 13-18

Aloo, P.A. 1999: Ecological studies of helminth parasites of the largemouth bass, Micropterus salmoides, from Lake Naivasha and the Oloidien Bay, Kenya. Onderstepoort Journal of Veterinary Research 66(2): 73-79

Matsura, T.; Nomura, K.; Komatsu, K. 1998: Ecological studies of odonate larvae living in artificial ponds in an urban area: Occurrence of larval Sympetrum striolatum imitoides and its life history in primary school swimming pools. Japanese Journal of Ecology 48(1): 27-36

Passmore, S.J.; Draper, G.; Brownbill, P.; Kroll, M. 1998: Ecological studies of relation between hospital policies on neonatal vitamin K administration and subsequent occurrence of childhood cancer. BMJ 316(7126): 184-189

Oliveira Filho, A.T. 1994: Ecological studies of the vegetation as a support to environmental reclamation programmes with native species: a methodological proposal. Cerne 1(1): 64-72

Lo, C.T.; Nelson, E.B.; Hayes, C.K.; Harman, G.E. 1998: Ecological Studies of Transformed Trichoderma harzianum Strain 1295-22 in the Rhizosphere and on the Phylloplane of Creeping Bentgrass. Phytopathology 88(2): 129-136

Katoh, S. 1997: Ecological studies of turfgrass diseases in golf courses and the screening of effective chemicals. Research Bulletin of the Aichi-ken Agricultural Research Center 1997(29): 239-246

Shehata, M.N. 1996: Ecological studies on Vossia cuspidata (Roxb.) Griff. in the Nile Delta of Egypt. Egyptian Journal of Botany 36(1): 37-51

Mataloni, G. 1999: Ecological studies on algal communities from Tierra del Fuego peat bogs. Hydrobiologia 391: 157-171, 1998-

Salem, S.E.; Abo Korah, S.M.; Younes, A.A. 1999: Ecological studies on soil tarsonemina species associated with fodder-beet in Egypt. Alexandria Journal of Agricultural Research 44(1): 309-320

Sood, AK.; Bhalla, OP. 1996: Ecological studies on the cabbage white butterfly in the mid-hills of Himachal Pradesh. Journal of Insect Science 9(2): 122-125

Ning YingZhi; Shen YunFen 1996: Ecological studies on the forest soil protozoa of Mount Luojiashan and exploration of quantitive methods for soil protozoa. Zoological Research 17(3): 225-231

Ambarish Mukherjee; Gautam Banerjee 1999: Ecological studies on the forests of Midnapore district, West Bengal: assessment of angiospermic parasites. Environment and Ecology 17(1): 214-221

Kaur, A.; Bali, H.S.; Harbinder Singh 1998: Ecological studies on the oribatid fauna of Ludhiana (Punjab) together with cysticercoid infection of common anoplocephaline cestodes. Parasitic diseases new horizons Proceedings of the Eighth National Congress of Veterinary Parasitology and National Symposium on Molecular Parasitology, 9-11 October 1996: 50-56

Ishida, H.; Hattori, T.; Yamato, M. 1998: Ecological studies on the urban forest. II. Biological invasion of landscaping trees into the fragmented secondary forests in Flower town, Sanda, Hyogo Prefecture. Humans and Nature 9: 27-32

Jha, R.K.; Ghosh, S.K.; Roy, A.K. 1997: Ecological studies on the weeds of mungbean (Vigna radiata Wilczek). Journal of Applied Biology 7(1/2): 18-22

Rezk, G.N.; Hakel, A.M.; Emam, A.K.; Hanafy, H.W.M. 1998: Ecological studies on three scarabaeid beetles; Tropinota squalida Scop., Pachnoda fasciata F. and Potosia cuprea F. Annals of Agricultural Science Cairo (Special Issue, Volume 1): 201-211

Kim YoungJin; Park GeunJe; Choi SeonSik; Lee HyukHo; Hwang SukJoong 1998: Ecological studies on weeds in cultivated pasture. III. Effect of chemical properties of soil on weed development in pasture. RDA Journal of Agro Environment Science 40(1): 89-98

Fujii, Y. 1998: Ecological studies on wolf spiders (Araneae: Lycosidae) in a northwest area of Kanto Plain, Central Japan: habitat preference observed by hand-sorting. Acta Arachnologica 47(1): 7-19

Dzomeku, B.M.; Enu Kwesi, L. 1997: Ecological study of a section of the Accra Plains. Desertification Control Bulletin 31: 24-29

Touyama, Y.; Yamamoto, T. 1997: Ecological study of the myrmecofauna in pine forests with different altitudes and physiognomies. Japanese Journal of Ecology 47(2): 145-150

H.X.eLi; Zhao LiLi 1997: Ecological study on the N-fixing forage plants of Fabaceae family in Shaanxi. Grassland of China 2: 44-47

Spitzer, K.; Bezdek, A.; Jaros, J. 1999: Ecological succession of a relict Central European peat bog and variability of its insect biodiversity. Journal of Insect Conservation 3(2): 97-106

Streatfield, R.; Frenkel, R.E. 1997: Ecological survey and interpretation of the Willamette Floodplain Research Natural Area, W.L. Finley National Wildlife Refuge, Oregon, USA. Natural Areas Journal 17(4): 346-354

Aarts, B.G.W.; Nienhuis, P.H. 1999: Ecological sustainability and biodiversity. International Journal of Sustainable Development and World Ecology 6(2): 89-102

Dale, V.H.; Agee, J.; Long, J.; Noon, B. 1999: Ecological sustainability is fundamental to managing the national forests and grasslands. Bulletin of the Ecological Society of America 80(3): 207-209

Carvalho, P.; Clarke, B. 1998: Ecological sustainability of the South Australian coastal aquaculture management policies. Coastal Management 26(4): 281-290

Ohtonen, R.; Aikio, S.; Vare, H. 1997: Ecological theories in soil biology. Soil Biology and Biochemistry 29(11-12): 1613-1619

Hunter, M.L.Jr; White, A.S. 1997: Ecological thresholds and the definition of old-growth forest stands. Natural Areas Journal 17(4): 292-296

Shine, R.; Ambariyanto.; Harlow, P.S.; Mumpuni. 1998: Ecological traits of commercially harvested water monitors, Varanus salvator, in northern Sumatra. Wildlife Research 254: 437-447

Velez, V.; Cavelier, J.; Devia, B. 1998: Ecological traits of the tropical treeline species Polylepis quadrijuga (Rosaceae) in the Andes of Colombia. Journal of Tropical Ecology 14(6): 771-787

Nesser, J.A.; Ford, G.L.; Maynard, C.L.; Page Dumroese, D.S. 1997: Ecological units of the northern region: subsections. General Technical Report Intermountain Research Station, USDA Forest Service ( INT-GTR-369): 88 pp.

Szczepanska, A. 1998: Ecological value of real estate versus its economic value. Acta Academiae Agriculturae ac Technicae Olstenensis, Geodaesia et Ruris Regulatio 28: 93-106

Isong, E.U.; Edet, A.J.; Adewusi, S.A.; Udoessien, E.I. 1997: Ecological variation in essential elements and trace elemental composition of some Nigerian fruits. African Journal of Health Sciences 4(1): 35-38

Zhou XiaoFeng; Wang ChuanKuan 1997: Ecological vulnerability in Heilongjiang River Valley and forestry countermeasures. Scientia Silvae Sinicae 33(2): 97-106

Joshi, L. 1998: Ecological wood anatomy of Alnus nepalensis (Betulaceae) in Central Nepal. IAWA Journal 19(4): 457-457

Noshiro, S.; Baas, P. 1999: Ecological wood anatomy of Cornus s.l. (Cornaceae) and the evolutionary significance of latitudinal trends. IAWA Journal 20(2): 109

Berlin, E.A. 1999: Ecological, sociocultural, and biological determinants of ethnoepidemiological patterns among Tzotzil and Tzeltal Maya. Ethnoecology: knowledge, resources and rights: 57-73

Raus, D.; Spanjol, Z.; Baricevic, D. 1996: Ecological-biological research on permanent plots in the beech and fir forest in Croatia. Mayer, B, Advancement of forest ecosystem biomass production, Unapredenje proizvodnje biomase sumskih ekosustava 61-77

Danova, M. 1998: Ecological-economic aspects of cleaner waste water from the production of pork. Sbornik praci z mezinarodni vedecke konference, Agrarni perspektivy VII Evropska integrace a vyuzivani prirodnich zdroju, Dil I, Praha, Czech Re ic, 17-18 Zari 1998: 413-417

Omelchenko, L.V.; Zhigulskaya, Z.A. 1998: Ecological-faunistic analysis of ants in the southern taiga of western and central Siberia. Uspekhi Sovremennoi Biologii 118(3): 299-305

Potemkin, O.N. 1998: Ecological-geographic dependence of endogenous morphological variation in representatives of the genus Picea A. Dietr. Russian Journal of Ecology 29(6): 384-389

Sun HaiQun 1996: Ecological-geographical characteristics and grazing values of major forage legumes in the grassland of Qinghai. Grassland of China 6: 31-34

Boyce, M.S. 1998: Ecological-process management and ungulates: Yellowstone's conservation paradigm. Wildlife Society Bulletin 26(3): 391-398

Baurens, F.C.; Breitler, J.C.; Lagoda, P.J.L. 1999: Ecologically acceptable genetic transformation of banana and plantain? Proposal for a theoretical experiment not restricted to Musa crops alone. Fruits Paris 54(5): 371-384

Borodin, I.F.; Storchevoi, V.F.; Knyazev, A.F. 1998: Ecologically clean methods and devices for air treatment. Traktory i Sel' skokhozyaistvennye Mashiny 10: 30-31

Danilov, A. 1998: Ecologically safe management is the pledge of steady development. Problemy Teorii i Praktiki Upravleniya 3: 19-23

Osintseva, L.A. 1996: Ecologically safe means of controlling flea beetles in fields of white cabbage. Agrokhimiya 8-9): 112-116

Golubev, V.N.; Nikiforov, A.R. 1996: Ecologo-biological structure of broadleaf forests in the upper belt of the southern macroslope of Crimean Mountains main ridge. Ukrainskii Botanichnii Zhurnal 53(6): 666-672

Kucherov, E.V.; Muldashev, A.A.; Galeeva, A.K.; Galimova, G.K. 1998: Ecologo-coenotic characteristics of Sanguisorba officinalis L. in Bashkortostan and the contents of tanning substances in its roots and rootstocks. Rastitel' nye Resursy 34(1): 24-31

Ciancio, A.; Torres, E.C.; Crozzoli, R. 1998: Ecology and biodiversity of Pasteuria spp., natural antagonists of phytoparasitic nematodes. Fitopatologia Venezolana 11(1): 2-9

Schnitzler, A.; Muller, S. 1998: Ecology and biogeography of highly invasive plants in Europe: giant knotweeds from Japan (Fallopia japonica and F. sachalinensis). Revue d' Ecologie la Terre et la Vie 53(1): 3-38

Kempenaar, C.; Groeneveld, R.M.W.; Scheepens, P.C.; Zweerde, W. van der; Lotz, L.A.P. 1997: Ecology and biological control of bittersweet (Solanum dulcamara). Report Research Institute for Agrobiology and Soil Fertility 86: 0-23

Storer, N.P.; Gould, F.; Kennedy, G.G.; Duyn, J.W. van 1999: Ecology and biology of cotton bollworm in reference to modeling Bt resistance development in a Bt cotton/Bt corn system. 1999 Proceedings Beltwide Cotton Conferences Orlando Florida USA 3-7 January 1999: 2: 949-952

Babi, A.; Yakti, R. 1997: Ecology and biology of gypsy moth (Lymantria dispar L.) and its parasitoids in Syria. Arab and Near East Plant Protection Newsletter 25: 26

Vel'tishchev, I.E. 1996: Ecology and child nutrition. Voprosy Pitaniia 55(5): 14-17

Thiollay, J.M.; Probst, J.M. 1999: Ecology and conservation of a small insular bird population, the Reunion cuckoo-shrike Coracina newtoni. Biological Conservation 87(2): 191-200

Kempenaar, C.; Groeneveld, R.M.W.; Lotz, L.A.P.; Wenneker, M.; Janse, J.D. 1998: Ecology and control of Solanum dulcamara in relation to brown rot. Gewasbescherming 29(4): 119-123

Sumiyoshi, T.; Kawana, Y. 1999: Ecology and control of junglerice, Echinochloa colonum Link. III. Susceptibility to the herbicides for paddy rice fields. Report of the Kyushu Branch of the Crop Science Society of Japan 65: 26-28

Fick, W.H. 1996: Ecology and control of musk thistle. Rangelands in a sustainable biosphere Proceedings of the Fifth International Rangeland Congress Salt Lake City, Utah, USA 23-28 July, 1995 Volume 1 contributed presentations: 145-146

Purohit, M.C. 1998: Ecology and damage estimates of Dendropthoe falcata (L.F.) Ettingsh. in the forest of Doon valley. Annals of Forestry 6(2): 173-176

Rossl, R.; Henschel, J.R. 1999: Ecology and diet of Psammoduon deserticola (Simon) (Araneae: Zodariidae). Bulletin of the British Arachnological Society 11(4): 155-157

Duru, M.; Balent, G.; Gibon, A.; Magda, D.; Theau, J.P.; Cruz, P.; Jouany, C. 1998: Ecology and dynamics of permanent pastures. An example from the central Pyrenees. Fourrages 153: 97-113

Bourhy, H.é; Kissi, B.; Audry, L.; Smreczak, M.; Sadkowska-Todys, M.; Kulonen, K.; Tordo, N.ël.; Zmudzinski, J.F.; Holmes, E.C. 1999: Ecology and evolution of rabies virus in Europe. Journal of General Virology 80: 2545-2557

Zeng YaWen; Wang JianJun 1997: Ecology and genetic diversity of barley genetic resources in Yunnan Province, China. Plant Genetic Resources Newsletter 112: 95-96

Strelkova, M.V. 1996: Ecology and genetic structure of sympatric Leishmania species. Voprosy populyatsionnoi biologii parazitov: 115-121

Maranon, T.; Ojeda, J.F. 1998: Ecology and history of a wooded landscape in southern Spain. Kirby, K J, Watkins, C The ecological history of European forests 107-116

Cernusca, A.; Bahn, M.; Bitterlich, W.; Newesely, C.; Prock, S.; Tappeiner, U.; Sobotik, M.; Buchgraber, K.; Holaus, K.; Holler, P.; Spatz, G. 1997: Ecology and management of alpine ecosystems. Forderungsdienst 45(1): 20-24

AliNiazee, M.T. 1998: Ecology and management of hazelnut pests. Annual Review of Entomology 43: 395-419

Chandrashekara, U.M.; Sankar, S. 1998: Ecology and management of sacred groves in Kerala, India. Forest Ecology and Management 112(1-2): 165-177

Overholt, William, A. . 1997: Ecology and management of tropical gramineous stemborers. Insect Science and its Application 17(1): 0-173, i-iii pp.

Evers, G.W.; Smith, G.R.; Hoveland, C.S. 1997: Ecology and production of annual ryegrass. Ecology, production, and management of Lolium for forage in the USA: 29-43

Dumas, M.; Pintaud, J.C. 1999: Ecology and propagation of some rare Pacific palms. Acta Horticulturae 486: 115-122

Grootjans, A.P.; Jones, P.; Meulen, F. van der; Paskoff, R. 1997: Ecology and restoration perspectives of soft coastal ecosystems. Journal of Coastal Conservation 3(1): 3 + 120pp.

Tilakaratna, D. 1997: Ecology and uses of rattans in Sri Lanka. Rattan taxonomy, ecology, silviculture, conservation, genetic improvement and biotechnology Proceedings of training courses cum workshops, Sarawak, Sabah, 14-26 April 1996: 227-234

Grice, A.C. 1998: Ecology in the management of Indian jujube (Ziziphus mauritiana). Weed Science 46(4): 467-474

Fazinic, N.; Fazinic, M. 1997: Ecology in the service of Croatian viticulture. Agronomski Glasnik 59(5/6): 401-418

Kostecka, J. 1997: Ecology of Allolobophora cernosvitoviana (Zicsi, 1967): a species new to the Polish earthworm (Lumbricidae) fauna. Soil Biology and Biochemistry 29(3/4): 259-263

Leung, L.K.P. 1999: Ecology of Australian tropical rainforest mammals. I. The Cape York antechinus, Antechinus leo (Dasyuridae: Marsupialia). Wildlife Research 26(3): 287-306

Leung, L.K.P. 1999: Ecology of Australian tropical rainforest mammals. II. The Cape York melomys, Melomys capensis (Muridae: Rodentia). Wildlife Research 26(3): 307-316

Leung, L.K.P. 1999: Ecology of Australian tropical rainforest mammals. III. The Cape York rat, Rattus leucopus (Muridae: Rodentia). Wildlife Research 26(3): 317-328

Eklabya Sharma; Rita Sharma; Mahendra Pradhan 1998: Ecology of Himalayan alder (Alnus nepalensis D. Don). Proceedings of the Indian National Science Academy Part B, Biological Sciences 64(1): 59-78

Genchi, C.; Manfredi, M.T.; Basano, F.S.; Fabbi, M.; Magnino, S.; Garbarino, C.; Corradi, M.; Vanini, A. 1996: Ecology of Ixodes ricinus and prevalence of Borrelia afzelii in a protected area of northern Italy (Boschi del Carrega Regional Park). Atti del Convegno Nazionale: Ecopatologia della Fauna Selvatica, Bologna, Italy, 15-17 dicembre 1994: 311-319

Mojtahedi, H.; Santo, G.S. 1999: Ecology of Paratrichodorus allius and its relationship to the corky ring-spot disease of potato in the Pacific Northwest. American Journal of Potato Research 76(5): 273-280

Lee SeungChan; Kim DoIk; Kim SangSoo 1995: Ecology of Tetranychus kanzawai and its natural enemies at tea tree plantation. Korean Journal of Applied Entomology 34(3): 249-255

Botelho, G.R.; Guimaraes, V.; De Bonis, M.; Fonseca, M.E.F.; Hagler, A.N.; Hagler, L.C.M. 1998: Ecology of a plant growth-promoting strain of Pseudomonas fluorescens colonizing the maize endorhizosphere in tropical soil. World Journal of Microbiology and Biotechnology 14(4): 499-504

Bello, A.; Gonzalez, J.A. 1997: Ecology of agricultural systems. Georgica 5: 73-96

Debussche, M.; Grandjanny, M.; Debussche, G.; Mus, M.; Torres, N.; Arguimbau, P.F. 1997: Ecology of an endemic insular species: Cyclamen balearicum Willk. in the Balearic Islands. Anales del Jardin Botanico de Madrid 55(1): 31-48

Ford, P.L.; McPherson, G.R. 1996: Ecology of fire in shortgrass prairie of the southern Great Plains. General Technical Report Rocky Mountain Forest and Range Experiment Station, USDA Forest Service ( RM-GTR-285): 20-39

Vashchenok, V.S. 1997: Ecology of fleas of the group conformis species group (Siphonaptera: Pulicidae: Xenopsylla) from the fauna of Russia and neighbouring countries (review). Parazitologiya 31(6): 492-513

Lucking, R. 1998: Ecology of foliicolous lichens at the 'Botarrama' trail (Costa Rica), a neotropical rain forest site. Part II. Patterns of diversity and area cover, and their dependence on microclimate and phorophyte species. Ecotropica 4(1/2): 1-24

Lucking, R. 1998: Ecology of foliicolous lichens at the 'Botarrama' trail (Costa Rica), a neotropical rain forest. III. Phorophyte ranges and patterns of phorophyte preferences. Phyton Horn 38(1): 195-219

Isogai, H.; Kosako, Y.; Benno, Y.; Isogai, E. 1999: Ecology of genus Porphyromonas in canine periodontal disease. Zentralblatt für Veterinarmedizin. Reihe B. Journal of Veterinary Medicine. Series B 46(7): 467-473

Barton, D.P. 1999: Ecology of helminth communities in tropical Australian amphibians. International Journal for Parasitology 29(6): 921-926

Shukla, R.P.; Kohli, V.K.; Pandey, A.C.; Ojha, V.P.; Pathak, P.K. 1996: Ecology of immature mosquitoes in paddy fields of district Nainital, UP, India. Mosquito Borne Diseases Bulletin 13(3-4): 31-36

Lopes, J. 1997: Ecology of mosquitoes (Diptera, Culicidae) in natural and artificial breeding sites in a rural area of northern Parana state, Brazil. VII. The coexistence of species. Iheringia, Serie Zoologia 83: 91-97

Lopes, J.; Lozovei, A.L. 1996: Ecology of mosquitoes (Diptera, Culicidae) in natural and artificial breeding sites of the rural area in North Parana, Brazil. II. Capture on human bait. Revista Brasileira de Zoologia 13(3): 585-596

Lopes, J. 1997: Ecology of mosquitoes (Diptera, Culicidae) in natural and artificial rural breeding places in northern Parana State, Brazil. VI. Collections of larvae in the peridomestic environment. Revista Brasileira de Zoologia 14(3): 571-578

Maranon, T. 1995: Ecology of seed banks in the soil: a review of studies in Spain. Pastos 25(1): 3-25

Chandrasekar Rao, A.; Sunquist, M.E. 1996: Ecology of small mammals in tropical forest habitats of southern India. Journal of Tropical Ecology 12(4): 561-571

Krivolutskii, D.A.; Huynh Thi Kim Hoi; Usachev, V.L. 1997: Ecology of soil fauna in mountain ecosystems of northern Vietnam. Russian Journal of Ecology 28(4): 250-255

Kunito, T.; Oyaizu, H.; Matsumoto, S. 1998: Ecology of soil heavy metal-resistant bacteria and perspective of bioremediation of heavy metal-contaminated soils. Recent Research Developments in Agricultural and Biological Chemistry 2(1): 185-206

Brust, R.A. 1997: Ecology of the Aedes australis (Erichson) 1842 complex (Diptera: Culicidae) in Australia and New Zealand. Australian Journal of Entomology 29 August; 363: 287-292

Minato, S.; Wakabayashi, M.; Hidaka, T. 1997: Ecology of the Japanese dormouse, Glirulus japonicus. Natura Croatica 6(2): 263-269

Bubniewicz, P. 1998: Ecology of the agricultural landscape in the light of the role of field afforestation. Ochrona Roslin 42(6): 23

Walck, J.L.; Baskin, J.M.; Baskin, C.C. 1999: Ecology of the endangered species Solidago shortii. VI. Effects of habitat type, leaf litter, and soil type on seed germination. Journal of the Torrey Botanical Society 126(2): 117-123

Traveset, A.; Willson, M.F. 1998: Ecology of the fruit-colour polymorphism in Rubus spectabilis. Evolutionary Ecology 12(3): 331-345

Wool, D.; Bogen, R. 1999: Ecology of the gall-forming aphid, Slavum wertheimae, on Pistacia atlantica: population dynamics and differential herbivory. Israel Journal of Zoology 452: 247-260

Johnson, CN.; McIlwee, AP. 1997: Ecology of the northern bettong, Bettongia tropica, a tropical mycophagist. Wildlife Research 245: 549-559

Tomescu, N.; Accola, S.; Pasca, C. 1995: Ecology of the populations of terrestrial isopods (Crustacea: Isopoda) in Cheile Turzii. Studia Universitatis Babes-Bolyai. Series Biologia 40(1-2): 78-94

Khedr, A.H.A.; Hegazy, A.K. 1998: Ecology of the rampant weed Nymphaea lotus L. Willdenow in natural and ricefield habitats of the Nile delta, Egypt. Hydrobiologia 386: 119-129

Naranjo Pinera, E.J.; Cruz Aldan, E. 1998: Ecology of the tapir (Tapirus bairdii) in the biosphere reserve of La Sepultura, Chiapas. Acta Zoologica Mexicana 73: 111-125

Rechel, E.A.; Ballard, R.G.; Novotny, T.J. 1999: Ecology of the threatened cactus, Sclerocactus glaucus. Cactus and Succulent Journal 71(3): 143-145

Ueda, H. 1996: Ecology oriented agricultural management and village landscape in northern part of Vietnam: report on VAC system. Nature and Human Activities 1: 103-110

Liang XuDong; Yang Shan; Liu Jun; Qiu Yan; Ma FengQin; Yu DongZheng 1999: Ecology study of Bacillus anthracis in natural circumstances. Endemic Diseases Bulletin 14(2): 35-40

Bogers, R.J. 1997: Ecology, conservation and taxonomy: introduction. Acta Horticulturae 430: 763-764

Mahadevappa, M. 1997: Ecology, distribution, menace and management of Parthenium. First international conference on Parthenium management, Dharwad, India, 6-8 October 1997: 1-12

McNeill, J.R. 1999: Ecology, epidemics and empires: environmental change and the geopolitics of tropical America, 1600-1825. Environment and History 5(2): 175-184

Aly, R. 1999: Ecology, epidemiology and diagnosis of tinea capitis. Pediatric Infectious Disease Journal 18(2): 180-185

Khan, H.A. 1997: Ecology, inequality, and poverty: the case of Bangladesh. Asian Development Review 15(2): 164-179

Yee, W.L. 1999: Ecology, infestation levels, and populations of Anthonomus weevils (Coleoptera: Curculionidae) on Malpighia glabra in Mexico. Annals of the Entomological Society of America 92(1): 90-97

Mendoza, A.; Oyama, K. 1999: Ecology, management and conservation of potentially ornamental palms. Acta Horticulturae 486: 79-86

Gunn, B.V.; McDonald, M.W.; Lea, D.; Leksono, B.; Nahusona, J. 1997: Ecology, seed and leaf collections of cajuput (Melaleuca cajuputi) from Indonesia and Australia. Plant Genetic Resources Newsletter 112: 36-43

Nielsen, T. 1997: Ecology: a social movement that has become an industry. Andelsbladet 98(21): 454-456

Roland, D.A.S.; Bryant, M.M.; Zhang, J.X.; Roland, D.A.J.; Rao, S.K.; Self, J. 1998: Econometric Feeding and Management. 1. Maximizing profits in Hy-Line W-36 hens by optimizing total sulfur amino acid intake and environmental temperature. Journal of Applied Poultry Research 7(4): 403-411

Vicente, J.R.; Perez, L.H. 1998: Econometric analysis of banana supply and demand in Brazil. Agricultura em Sao Paulo 45(1): 59-68

Salman, A.Z. 1999: Econometric analysis of barley production in low rainfall areas in Jordan. Dirasat Agricultural Sciences 26(1): 36-49

Alseleem, Y.A. 1998: Econometric analysis of dates cost functions in the Kingdom of Saudi Arabia. Journal of King Saud University, Agricultural Sciences 10(1): Ar61-Ar81

Reinhard, S.; Lovell, C.A.K.; Thijssen, G. 1999: Econometric estimation of technical and environmental efficiency: an application to Dutch dairy farms. American Journal of Agricultural Economics 81(1): 44-60

Babula, R.A.; McCarty, T.; Newman, D.; Burket, S. 1998: Econometric examination of U.S. potato-related market relationships: findings from a recent U.S. trade investigation. Journal of International Food and Agribusiness Marketing 9(4): 35-62

Ahmad, H.A.; Bryant, M.M.; Kucuktas, S.; Roland, D.A. 1997: Econometric feeding and management for first cycle phase two DeKalb Delta hens. Poultry Science 76(9): 1256-1263

Townsend, R.F. 1997: Econometric methodology I: the role of theory and observation in agricultural economics research. Agrekon 36(3): 325-347

Townsend, R.F. 1998: Econometric methodology II: strengthening time series analysis. Agrekon 37(1): 83-99

Turk, J.; Erjavec, E. 1998: Econometric modelling of agricultural market supply and demand. Sodobno Kmetijstvo 31(9): 387-394

Gopal Naik; Jain, S.K. 1999: Econometric modelling of the Indian cotton industry for forecasting and policy simulations. Indian Journal of Agricultural Economics 54(2): 185-200

Mellado, V.C.; Gimenez, F.V. 1999: Econometric models for palm appraisal. Acta Horticulturae 486: 241-246

Kondo, K. 1998: Econometric studies of the economic efficiency of multi-purpose agricultural cooperatives. Memoirs of the Faculty of Agriculture, Hokkaido University 21(2): 111-170

Mainland, D.D. 1998: Econometrics or neural networks? - a study of marketing margins in the UK meat industry. Applied Economics Letters 5(9): 593-597

Dijk, M.P. van 1997: Economic activities of the poor in Accra. Farewell to farms: de agrarianisation and employment in Africa: 101-115

Anonymous 1995: Economic activity generated from protected areas: analysis of methods. FRDA Working Paper Victoria BC ( WP-6-011): 65 pp.

Upadhyay, P.N.; Patel, B.K.; Kacha, R.P.; Patel, C.H.; Patel, S.B. 1997: Economic advantage of split application of urea and calcium ammonium nitrate for bidi tobacco. Tobacco Research 23(1/2): 74-76

Monastra, F.; Martelli, G.; Chiariotti, A. 1998: Economic advantages of high-density planting of almond orchards. Cahiers Options Mediterraneennes 33: 81-85

Stubberud, K.V. 1999: Economic analyses of herb production in 1996-98. Landbruksokonomisk Forum 16(3): 17-20

Ceci, R.F. 1997: Economic analysis. Gestion Apicola 1(1): 38-40

Carvalho, F. de M.; Vieira, G.; Reis, R.P.; Veiga, R.D. 1996: Economic analysis and decision making by coffee growers in relation to nitrogen and potassium fertilizer rates: a study in Lavras, Minas Gerais, Brazil. Ciencia e Agrotecnologia 20(3): 371-380

O.Brien, P. 1996: Economic analysis and the shaping of public policy: a 1995 Farm Bill perspective. Journal of Agricultural and Applied Economics 28(1): 12-23

A.Kadi, Abed, A.Fattah 1998: Economic analysis for supplementary irrigation trials in Jordan. Dirasat Agricultural Sciences 25(3): 409-415

Tomasula, P.; Craig, J.J.; Mcaloon, A. 1998: Economic analysis of a continuous casein process using carbon dioxide as precipitant. Journal of dairy science 81(12): 3331-3342

Malik, Y.P.; Singh, B.; Pandey, N.D.; Singh, S.V. 1997: Economic analysis of agronomical techniques for budfly management in linseed. Annals of Plant Protection Sciences 5(2): 137-141

Davison, S.; Galligan, D.; Eckert, T.E.; Ziegler, A.F.; Eckroade, R.J. 1999: Economic analysis of an outbreak of avian influenza, 1997-1998. Journal of the American Veterinary Medical Association 214(8): 1164-1167

Sun, H.; Houston, J. 1997: Economic analysis of best management practices in a pilot cost-sharing water quality program. Issues in agricultural competitiveness: markets and policies: 448-457

Artuso, A. 1996: Economic analysis of biodiversity as a source of pharmaceuticals. Scientific Publication Pan American Health Organization 560: 167-180

Macmillan, D.C.; Harley, D.; Morrison, R.A. 1996: Economic analysis of biodiversity policy. The spatial dynamics of biodiversity: towards an understanding of spatial patterns and processes in the landscape Proceedings of the Fifth Annual IALE UK Conference, Stirling, UK, 9-12 September 1996: 79-86

Kim, J.M. 1998: Economic analysis of broiler production in Korea (1980-95). Acta Agraria Kaposvariensis 2(1): 103-110

Safiullah, A.M.; Tell, I.; Cenkvari, E. 1997: Economic analysis of calving interval of dairy cattle. Acta Agronomica Ovariensis 39(1/2): 211-221

Artuso, A. 1996: Economic analysis of contractual arrangements for biochemical prospecting. Scientific Publication Pan American Health Organization 560: 200-210

Salamon, L.; Kovacs, T.; Bednarik, R. 1998: Economic analysis of crop production in an agricultural share company. Acta Agronomica Ovariensis 40(2): 165-172

Pereira Dos Santos, H.; Fancelli, A.L.; Andia, L.H. 1997: Economic analysis of crop rotation systems for wheat, over a two-year period, under no-tillage. Pesquisa Agropecuaria Brasileira 32(11): 1111-1117

Reddy, D.V.S.; Thimmegowda, S. 1997: Economic analysis of different drip irrigation systems of main and ratoon hybrid cotton. Mysore Journal of Agricultural Sciences 31(1): 17-22

Singh Amarjit; Singh, A.J. 1998: Economic analysis of energy use in Punjab agriculture. Indian Journal of Agricultural Economics 53(3): 241-255

Mullen, J.; Norton, G.; Reaves, D. 1997: Economic analysis of environmental benefits of integrated pest management. Journal of agricultural and applied economics 29(2): 243-253

Freitas, S.P.; Lago, R.C.A.; Qassim, R.Y. 1998: Economic analysis of enzymatic extraction of avocado oil. Rivista Italiana delle Sostanze Grasse 75(1): 15-19

Song, G.C.; Park, M.S. 1997: Economic analysis of equipment investment in Korean native cattle farms. RDA Journal of Livestock Science 39(1): 39-45

Dranitsaris, G.; Phillips, P.; Rotstein, C.; Puodziunas, A.; Shafran, S.; Garber, G.; Smaill, F.; Salit, I.; Miller, M.; Williams, K.; Conly, J.; Singer, J.; Ioannou, S. 1998: Economic analysis of fluconazole versus amphotericin B for the treatment of candidemia in non-neutropenic patients. Pharmacoeconomics 13(5 Pt 1): 509-518

Turker, M.F.; Turker, E.S. 1999: Economic analysis of forest enterprises by the use of the multivariate statistical analysis (a sample of 25 State Forest Enterprises in the Eastern Black Sea Region). Turkish Journal of Agriculture and Forestry 23(Suppl 1): 169-177

Raghuwanshi, R.S. 1999: Economic analysis of gram cultivation in Tikamgarh district of Madhya Pradesh. Legume Research 22(2): 130-132

Duwais, A.A.M.; Ismaiel, S.; Al Qunaibet, M.; Al Omair, M. 1999: Economic analysis of import demand for poultry meat in the G.C.C. countries. Dirasat Agricultural Sciences 26(1): 151-160

Jones, R.; Medd, R. 1997: Economic analysis of integrated management of wild oats involving fallow, herbicide and crop rotational options. Australian Journal of Experimental Agriculture 37(6): 683-691

Guledagudda, S.S.; Hosamani, S.B.; Nalawadi, U.G.; Hiremath, G.K.; Basavaraj, H. 1997: Economic analysis of jasmine marketing in Dharwad district, Karnataka. Karnataka Journal of Agricultural Sciences 10(4): 1123-1127

Shiferaw, B. 1996: Economic analysis of land degradation and incentives for soil conservation in smallholder farming: a theoretical development. Discussion Papers Department of Economics and Social Sciences, Agricultural University of Norway ( D-30/1996): 48 pp.

Koppad, M.B.; Khan, H.S.S. 1996: Economic analysis of maize based farming systems on large farms in Malaprabha Command Area - Karnataka. Farming Systems 12(1/2): 1-4

Nagaraj, T.; Khan, H.S.S.; Karnool, N.N. 1996: Economic analysis of maize-sunflower farming system (Irrigated) in Tungabhadra command area (Karnataka). Farming Systems 12(3/4): 28-36

Kim JaeSung; Kim EuiGyeong 1998: Economic analysis of major forest mushrooms. FRI Journal of Forest Science Seoul 59: 45-56

Chaudhry, M.A.; Muhammad Rafiq; Hanjra, M.A.; Maqsood Ahmad; Sarfraz Hassan 1997: Economic analysis of milk production in district Okara. Pakistan Veterinary Journal 17(3): 135-138

Kamau, D.M.; Owuor, P.O.; Wanyoko, J.K. 1998: Economic analysis of nitrogen fertilizers in different tea cultivars east and west of the Rift valley. Tea 19(1): 27-37

Burlini, F. 1998: Economic analysis of ostrich rearing. Informatore Agrario 54(9): 73-77

Boland, M.A.; Preckel, P.V.; Foster, K.A. 1998: Economic analysis of phosphorus-reducing technologies in pork production. Journal of Agricultural and Resource Economics 23(2): 468-482

Galanopoulos, K. 1998: Economic analysis of pigmeat production: long-term equilibrium between production and trade in Greece. Epitheorese Zootehnikes Epistemes 25: 19-28

Sinha, R.P.; Singh, U.K. 1996: Economic analysis of potato cultivation: a case study of Nalanda district (Bihar). Journal of Applied Biology 6(1/2): 121-123

Vijay ; Choudhary, K.; Choudhary, P.L. 1998: Economic analysis of shrikhand production for urban dairy owners. Egyptian Journal of Dairy Science 26(2): 373-377

Sharma, K.R.; Leung PingSun; Zaleski, H.M. 1997: Economic analysis of size and feed type of swine production in Hawaii. Swine Health and Production 5(3): 103-110

Samonte Tan, G.P.B.; Davis, G.C. 1998: Economic analysis of stake and rack-hanging methods of farming oysters (Crassostrea iredalei) in the Philippines. Aquaculture 160(3/4): 239-249

Choi JaeHyeok; Song WonDoo; Kwak KyuBong; Choi SeongRhak; Shin WonKyo 1997: Economic analysis of strawberry production centering around farmers in greenhouse strawberry producers' organization. RDA Journal of Farm Management and Agri Engineering 39(2): 37-43

Owuor, J.O.; Chanyalew, D.; Sambili, E. 1996: Economic analysis of sugarcane growing and household food security in Mumias, Kenya. Journal of Eastern African Research and Development 26: 211-221

Sharma, G.C.; Gangwar, B. 1998: Economic analysis of sugarcane production in Khadar area of western U.P. Bhartiya Krishi Anusandhan Patrika 13(1/2): 27-32

Salassi, M.E.; Milligan, S.B. 1997: Economic analysis of sugarcane variety selection, crop yield patterns, and ratoon crop plow out decisions. Journal of Production Agriculture 10(4): 539-545

Lathar, R.K.; Pandey, R.N. 1996: Economic analysis of sunflower cultivation in Haryana. Bhartiya Krishi Anusandhan Patrika 11(3): 155-160

Goswami, S.N. 1997: Economic analysis of swine production in Meghalaya. Indian Journal of Animal Sciences 67(7): 608-610

Paula, D.P.; Anselmo Tarsitano, M.A.; Graciolli, L.A. 1999: Economic analysis of the Shiitake edible mushroom production, in the Northwest of Sao Paulo. Informacoes Economicas Instituto de Economia Agricola 29(4): 31-38

Santos, A.J.; Canziani, J.R.F.; Brocardo, A. 1997: Economic analysis of the coffee plantation through use of software - SAAC - Florestal. Revista do Setor de Ciencias Agrarias 16(1/2): 139-147

Roberts, R.K.; Larson, J.A.; Tyler, D.D.; Duck, B.N.; Dillivan, K.D. 1998: Economic analysis of the effects of winter cover crops on no-tillage corn yield response to applied nitrogen. Journal of Soil and Water Conservation 53(3): 280-284

Feng Jun; Gu ShiKang; Zeng AiJun; Song WeiTang; Liu YaJia; Hu HongLie 1998: Economic analysis of the mechanization of maize seedling transplantation. Study on the transplanter with chute and seedling aid springs (Part IV). Transactions of the Chinese Society of Agricultural Engineering 14(4): 113-118

Thiele, G.; Navia, O.; Fernandez Northcote, E.N. 1998: Economic analysis of the strategy for chemical control of late blight (Phytophthora infestans) in susceptible potato cultivars in Cochabamba, Bolivia. Fitopatologia 33(3): 176-181

Naesset, E.; Gobakken, T.; Hoen, H.F. 1997: Economic analysis of timber management practices promoting preservation of biological diversity. Scandinavian Journal of Forest Research 12(3): 264-272

Tiwari, K.N.; Reddy, K.Y.lla 1997: Economic analysis of trickle irrigation system considering planting geometry. Agricultural Water Management 34(2): 195-206

Wilson, S.G.; Shurley, W.D.; Bednarz, C.; Bader, M.J. 1999: Economic analysis of ultra-narrow-row cotton production in the coastal plain region of Georgia. 1999 Proceedings Beltwide Cotton Conferences Orlando Florida USA 3-7 January 1999: 1: 317-320

Pearce, A.; Dillon, C.; Keisling, T.; Wilson, C.J. 1999: Economic and agronomic effects of four tillage practices on rice produced on saline soils. Journal of production agriculture 12(2): 305-312

Telyuk, S. 1998: Economic and biological features of the Maine-Anjou breed in the conditions of Belarus. Vestsi Akademii Agrarnykh Navuk Res iki Belarus' 2: 78-80

Sahs, W.; Helmers, G.; Lesoing, G.; Francis, C. 1999: Economic and biological impacts of long-term rotations in Nebraska, USA. Organic agriculture the credible solution for the 21st Century Proceedings of the 12th International IFOAM Scientific Conference, Mar del Plata, Argentina, November 15-19, 1998: 116-124

Sheiko, I. 1999: Economic and biological traits of pigs bred in a closed system. Svinovodstvo (3): 7-9

Samoylov, D. 1998: Economic and ecological aspects of State land conservation policy in the USA. Mezhdunarodnyi Sel' skokhozyaistvennyi Zhurnal 4: 3-6

Okularczyk, S. 1998: Economic and ecological criteria of the spread of animal production in Poland. Problemy intensyfikacji produkcji zwierzecej przy uwzglednieniu ograniczen ochrony srodowiska Materiay: IV Miedzynarodowa Konferencja Naukowa, Warszawa, 29-30 Wrzesnia 1998: 34-42

Wechselberger, P.; Kobler, M.; Heissenhuber, A. 1999: Economic and ecological evaluation of management measures and/or varying management systems. Berichte uber Landwirtschaft 77(2): 184-200

Luckge, F.J.; Weber, H. 1998: Economic and ecological optimization of roundwood transport - the example of the timber trade in the forest administration area Rhineland-Palatinate in 1994. Allgemeine Forst und Jagdzeitung 169(1): 1-4

Sharma, M.C.; Masih, S.K.; Sharma, C.B. 1998: Economic and employment potential capabilities of some NTFPs. Vaniki Sandesh 22(4): 22-26

Harasim, A. 1999: Economic and energy effectiveness of selected cultural practices in winter wheat in different crop rotations. Rostlinna Vyroba 45(8): 373-377

Pimentel, D.; Wilson, C.; McCullum, C.; Huang, R.; Dwen, P.; Flack, J.; Tran, Q.; Saltman, T.; Cliff, B. 1997: Economic and environmental benefits of biodiversity. BioScience 47(11): 747-757

Berentsen, P.B.M.; Giesen, G.W.J.; Renkema, J.A. 1997: Economic and environmental consequences of technical and institutional change in Dutch dairy farming. Netherlands Journal of Agricultural Science 45(3): 361-379

Husain, S.A.; Rose, D.W.; Nichols, J.M. 1998: Economic and environmental contributions of agricultural lands to timber production in Minnesota. Journal of Forest Economics 4(3): 207-239

Ribaudo, M.O.; Hurley, T.M. 1997: Economic and environmental effects associated with reducing the use of atrazine: an example of cross-disciplinary research. Journal of Agricultural and Applied Economics 29(1): 87-97

Rejesus, R.; Hornbaker, R. 1999: Economic and environmental evaluation of alternative pollution-reducing nitrogen management practices in central Illinois. Agriculture ecosystems and environment 75(1-2): 41-53

Lu, Y.C.; Watkins, B. 1997: Economic and environmental evaluation of variable rate nitrogen fertilizer applications using a biophysical model. Precision agriculture ' 97 Volume II Technology, IT and management Papers presented at the First European Conference on Precision Agriculture, Warwick University, UK, 7-10 September 1997: 931-939

Watkins, K.B.; Lu YaoChi; Huang WenYuan 1998: Economic and environmental feasibility of variable rate nitrogen fertilizer application with carry-over effects. Journal of Agricultural and Resource Economics 23(2): 401-426

W.S.unXiang; Walker, D.J.; Brusven, M.A. 1997: Economic and environmental impacts of planting flexibility and conservation compliance: lessons from the 1985 and 1990 farm bills for future farm legislation. Agricultural and Resource Economics Review 26(2): 216-228

Hanley, N.; Faichney, R.; Munro, A.; Shortle, J.S. 1998: Economic and environmental modelling for pollution control in an estuary. Journal of Environmental Management 52(3): 211-225

Watkins, K.B.; Lu YaoChi 1998: Economic and environmental tradeoffs among alternative seed potato rotations. Journal of Sustainable Agriculture 13(1): 37-53

Mendez Santos, I.E.; Castellanos Perez, L. 1996: Economic and ethnobotanical aspects of the tribe Lantaneae (Verbenaceae). Revista del Jardin Botanico Nacional 17/18: 105-116

Pampanini, R.; Orlandi, F. 1995: Economic and financial analysis of some farmer owned land cooperatives benefiting from the Cassa per la Formazione della Proprieta Contadina. Annali della Facolta di Agraria, Universita degli Studi di Perugia 49: 267-302

Adams, C.M.; Blokland, P.J. van 1998: Economic and financial considerations regarding the small-scale commercial culture of hard clams in Florida. Journal of Applied Aquaculture 8(1): 19-37

Capitello, R. 1996: Economic and financial performance in the wine-making sector: results of a study in a highly specialized area. Studi di Economia e Diritto 4: 647-694

Barrett, T.; Gilless, J.; Davis, L. 1998: Economic and fragmentation effects of clearcut restrictions. Forest science 44(4): 569-577

Keplinger, K.O.; McCarl, B.A.; Chowdhury, M.E.; Lacewell, R.D. 1998: Economic and hydrologic implications of suspending irrigation in dry years. Journal of Agricultural and Resource Economics 23(1): 191-205

Pirazzoli, C.; Ragazzoni, A. 1998: Economic and market aspects of biotech production: some considerations about the vegetable species. Sementi Elette 44(3/4): 47-57

Goby, J.P.; Rochon, J.J. 1996: Economic and nutritional contributions of brushlands in goat rearing in the south of France. The optimal exploitation of marginal Mediterranean areas by extensive ruminant production systems Proceedings of an international symposium organized by HSAP and EAAP and sponsored by EUDGVI, FAO and CIHEAM, Thessaloniki, Greece, 18-20 June 1994: 275-279

Korniewicz, A.; Okularczyk, S.; Korniewicz, D.; Ziokowski, T. 1997: Economic and nutritive competitiveness of selected varieties of pea. Roczniki Naukowe Zootechniki 24(4): 321-331

Rieder, P.; Wyder, J. 1997: Economic and political framework for sustainability of mountain areas. Mountains of the world: a global priority: 85-102

Cantini, C.; Sillari, B. 1998: Economic and production data for olives under different pruning systems. Rivista di Frutticoltura e di Ortofloricoltura 60(1): 49-54

Faure, O.; Herve, M. 1997: Economic and recyclable. Milk pouches are gaining ground in Europe. Revue Laitiere Francaise 568: 31-32

Dijkhuizen, A.A. 1998: Economic and social aspects of animal health, animal welfare and food safety: basic framework and some examples. Tijdschrift voor Sociaalwetenschappelijk Onderzoek van de Landbouw 13(3): 147-156

Morozov, N.M. 1998: Economic and social aspects of energy conservation in animal production. Mekhanizatsiya i Elektrifikatsiya Sel' skogo Khozyaistva 12: 8-10

Romilly, P.; Liu XiaMing; Song HaiYan 1998: Economic and social determinants of international tourism spending: a panel data analysis. Tourism Analysis 3(1): 3-16

Sanders, J.H. 1998: Economic and sustainability evaluation of new technologies in sorghum and millet production in INTSORMIL priority countries. Annual Report INTSORMIL ( 1998): 57-63

Roest, K. de 1997: Economic and technical aspects of the relationship between product quality and regional specific conditions within the Parmigiano-Reggiano livestock farming system. Livestock farming systems: more than food production Proceedings of the 4th International Symposium, Foulum, Denmark 22-23 August 1996: 164-176

Zhou ChangJi 1999: Economic and technical assessment on a double inflated plastic house. Transactions of the Chinese Society of Agricultural Engineering 15(1): 159-163

Koehl, P.F. 1997: Economic and technical management (RENALAP) in 1996. The annual meat production per female rabbit was 118 kg. Cuniculture Paris 138: 247-252

Bozhinov, M.; Bozhinov, B.; Dimitrova, L. 1998: Economic and technological qualities of Bulgarian and foreign cotton varieties. Rasteniev'dni Nauki 35(4): 266-269

Prato, T.K.ng, C. 1998: Economic and water quality effects of variable and uniform application of nitrogen. Journal of the American Water Resources Association 34(6): 1465-1472

Winters, P.; Murgai, R.; Sadoulet, E.; Janvry, A. de; Frisvold, G. 1998: Economic and welfare impacts of climate change on developing countries. Environmental and Resource Economics 12(1): 1-24

Lee BogNam; Kang KyungHa; Cho MyungDong; Yiem MyungSoon; Yun ChunJong; Ko KwangChool 1998: Economic appraisal for fruit tree assets and investment of farming. Journal of the Korean Society for Horticultural Science 39(5): 588-592

Aliyara, Y.H.; Ayanwale, F.O. 1999: Economic appraisal of carcass condemnation in Ibadan, Nigeria. Global Journal of Pure and Applied Sciences 5(3): 293-298

Goswami, S.N. 1997: Economic appraisal of indigenous farming systems of West Garo Hills District of Meghalaya (India). Indian Journal of Agricultural Economics 52(2): 252-259

Kovacs, P. 1998: Economic approach of pesticide distribution and sale, with special regard to weed-killers. Novenyvedelem 34(5): 261-262

Mizushima, Y. 1998: Economic aspect of the plant factory combined with solar power generator. Journal of Society of High Technology in Agriculture 10(2): 61-64

Jaczewska Kalicka, A. 1998: Economic aspect of winter wheat diseases control. Progress in Plant Protection 38(2): 477-479

Pirazzoli, C. 1998: Economic aspects : returns and markets. Informatore Agrario 54(31): 29-32

Harkaly, A.H.; Carmo, M.S. do; Magalhaes, M.M. de; Pimenta, S. 1997: Economic aspects of Brazilian organic coffee production. Agricultura Biodinamica 14(79): 6-14

Kavcic, S. 1998: Economic aspects of Slovene livestock production in changing environment. Research Reports Biotechnical Faculty University of Ljubljana, Agricultural Issue ( Sup 30): 75-81

Meszaros, K.; Lett, B.; Pongracz, K.; Stark, M.; Hejj, B. 1999: Economic aspects of afforestation as alternative land use in Hungary. Development trends in production management for forestry and wood processing: 47-53

Kisiel, R.; Sienkiewicz, S.; Mozolewski, W. 1998: Economic aspects of application of Polifoska 8 in fertilization of potato. Folia Universitatis Agriculturae Stetinensis. Agricultura 72: 139-144

Smeral, E. 1998: Economic aspects of casino gaming in Austria. Journal of Travel Research 36(4): 33-39

Swai, F.B.; Kilambo, D.L. 1997: Economic aspects of coffee berry disease control in Tanzania. ASSOCIATION SCIENTIFIC INTERNATIONALE DU CAFE Author 17th International Scientific Colloquium on Coffee 383-386

Sombrero, A.; Benito, A. de; Escribano, C. 1999: Economic aspects of conservation tillage in Castilla and Leon. Agricultura, Revista Agropecuaria 68(804): 548-550

Lindberg, K. 1998: Economic aspects of ecotourism. Ecotourism: a guide for planners and managers: 87-117

Sobrinho, R.R.; Geraldo, L.G. 1997: Economic aspects of fig-tree production. Informe Agropecuario Belo Horizonte 18(188): 24-26

Solberg, B. 1998: Economic aspects of forestry and climate change. Commonwealth Forestry Review 77(3): 229-233, 241

Bergh, J. van den; Nijkamp, P. 1998: Economic aspects of global change impacts and response strategies in the coastal zone of The Netherlands. Journal of Coastal Conservation 4(2): 161-168

Djabrail, A. 1997: Economic aspects of irrigation systems management in Dagestan. Water: economics, management and demand International Commission on Irrigation and Drainage Proceedings 18th European Regional Conference ' Water an economic good' , Oxford, UK, September 1997: 272-274

Borcz, J.; Kowalczyk, Z. 1998: Economic aspects of mechanization in broiler chicken production. Inzynieria Rolnicza 5(6): 221-226

Durand, P.B. 1996: Economic aspects of medieria expansion in Buenos Aires horticulture area. Revista de la Facultad de Agronomia Universidad de Buenos Aires 16(3): 179-191

Ansaloni, F.; Sarti, D. 1996: Economic aspects of milk production within the organic farming system. Informatore Agrario 52(13): 50-56

Hees, M. 1997: Economic aspects of modern measurement technology. DMZ, Lebensmittelindustrie und Milchwirtschaft 118(15): 628-633

Dekkers, J.C.M.; Ten Hag, H.H.; Weersink, A. 1998: Economic aspects of persistency of lactation in dairy cattle. Livestock Production Science 53(3): 237-252

Melander, B. 1999: Economic aspects of physical intra-row weed control in seeded onions. Organic agriculture the credible solution for the 21st Century Proceedings of the 12th International IFOAM Scientific Conference, Mar del Plata, Argentina, November 15-19, 1998: 180-185

Isermeyer, F.; Haxsen, G.; Hinrichs, P. 1999: Economic aspects of pig production. Landbauforschung Volkenrode, Sonderheft 193: 364-380

Canavari, M. 1999: Economic aspects of plum-tree cultivation. Informatore Agrario 55(29): 57-59

Greimel, M. 1998: Economic aspects of producing roughage from grassland. Zbornik predavanj posvetovanja o prehrani domacih zivali "zadravcevi erjavcevi dnevi", Radenci, 26 in 27 oktober 1998: 15-21

Brennan, J.P. 1997: Economic aspects of quality issues in wheat variety improvement. Proceedings of the International Wheat Quality Conference, Manhattan, Kansas, USA, 18-22 May 1997: 363-376

Janiszewska, J.; Ciesla, A. 1998: Economic aspects of running horse-riding clubs in the szczecin province. Folia Universitatis Agriculturae Stetinensis. Zootechnica 36: 77-83

Caviglia, J.A. 1997: Economic aspects of sunflower cultivation. Jornada de actualizacion tecnica sobre cultivo de girasol, Quemu Quemu, Argentina, 3 de octubre de 1997: 41-47

Rooyen, I. van; Rooyen, J. van 1998: Economic aspects of the South African flower industry. Agrekon 37(4): 550-559

Foti, S.; Timpanaro, G. 1997: Economic aspects of the cactus pear market in Italy. Acta Horticulturae 438: 151-158

Kvapilik, J. 1998: Economic aspects of the determination of urea levels in milk. Vyzkum v Chovu Skotu 40(1): 22-23

Madalena, F.E. 1995: Economic aspects of the genetic improvement of dairy cattle in the tropics. Revista Argentina de Produccion Animal 15(SUP1): 167-175

Bokermann, R. 1998: Economic aspects of the on-farm processing of rapeseed oil as a fuel. Landtechnik 53(1): 16-17

Resende, L.M. de A.; Mascarenhas, M.H.T.; Paiva, B.M. de 1999: Economic aspects of the production and marketing of the potato. Informe Agropecuario Belo Horizonte 20(197): 9-19

Morroni de Paiva, B.; Morais de Andrade Resende, L. 1998: Economic aspects of the production and trade of pineapples. Informe Agropecuario Belo Horizonte 19(195): 7-11

Zeddies, J. 1997: Economic aspects of the use of medicinal preparations in farm animals and the cost of veterinary treatments. Tierarztliche Umschau 52(1): 23-26

Knoke, T. 1997: Economic aspects of timber production in uneven-aged forests: preliminary studies on forest management planning in the Kreuzberg municipal forest. Forstwissenschaftliches Centralblatt 116(3): 178-196

Vilcek, J.; Torma, S. 1997: Economic aspects of traditional and differentiated soil liming. Zemedelska Ekonomika 43(11): 503-506

Mrowczynski, M.; Stobiecki, S.; Zachmann, A. 1998: Economic aspects of use tank-mix application of agrochemicals. Progress in Plant Protection 38(1): 283-287

Hilfiker, J.; Daccord, R.; Herter, U.; Menzi, M. 1998: Economic assessment of crop yield and quality in silage maize. Agrarforschung 5(11/12): 492-494

Tanrivermis, H.; Mulayim, Z.G. 1999: Economic assessment of environmental pollution damages caused by industry on agriculture: the case of Samsun fertilizer (TUGSAS) and Karadeniz copper (KBI) industries. Turkish Journal of Agriculture and Forestry 23(3): 337-345

Anonymous 1998: Economic assessment of food safety risks. Agra Europe British edition ( 1829): A/3-A/5

Dillon, C.; Rutherford, D.; Keisling, T.; Oliver, L. 1999: Economic assessment of irrigated and nonirrigated soybean cropping rotations on a clay soil. Communications in soil Science and plant analysis (7-8): 1165-1182

Ahmad, M.S.; Yadava, H.S.; Yadav, R.B. 1997: Economic assessment of kodo-millet genotypes in Madhya Pradesh. Advances in Plant Sciences 10(2): 207-209

Deligeorgis, S.G.; Apostolopoulos, K.D.; Deligiannis, K.; Rogdakis, E. 1996: Economic assessment of mating season in sheep production. Epitheorese Zootehnikes Epistemes 22: 37-48

Mahander Singh 1998: Economic assessment of selected resource management practices for efficient use of saline-sodic water in arid and semiarid subtropical India. Palawija News 15(3): 8-13

Munda, G.C. 1998: Economic assessment of selected resource management techniques in marginal upland agriculture of Mawlasnai, Meghalaya, N.E. region of India. Palawija News 15(4): 8-12

Samarappuli, I.N.; Wickramaratne, C.S.; Samarappuli, L.; Yogaratnam, N. 1997: Economic assessment of soil and foliar based fertilizer application for mature rubber: the case of estate sector in Kegalle district. Journal of the Rubber Research Institute of Sri Lanka 79: 11-21

G.ShuZhong 1998: Economic assessment of terracing in Guizhou Province of China. Palawija News 15(4): 1-8

N.HongXing 1998: Economic assessment of terracing in Qinghai Province of China. Palawija News 15(3): 1-7

Pannell, D.J. 1998: Economic assessment of the role and value of lupins in the farming system. Gladstones, J S, Atkins, C A, Hamblin, J Lupins as crop plants: Biology, production and utilization 339-351

Baars, R.M.T. 1996: Economic assessment of traditional rangeland utilization in the Western Province of Zambia. Rangelands in a sustainable biosphere Proceedings of the Fifth International Rangeland Congress, Salt Lake City, Utah, USA, 23-28 July, 1995 Volume 1: Contributed presentations: 23-24

Hou YuanZhao 1998: Economic bases of classified forestry theory. World Forestry Research 11(4): 1-8

Montgomery, D.L.; Splett, P.L. 1997: Economic benefit of breast-feeding infants enrolled in WIC. Journal of the American Dietetic Association 97(4): 379-385

Loomis, J.; Ekstrand, E. 1997: Economic benefits of critical habitat for the Mexican spotted owl: a scope test using a multiple-bounded contingent valuation survey. Journal of Agricultural and Resource Economics 22(2): 356-366

Etherington, D.M.; Mahendrarajah, S. 1998: Economic benefits of direct micro expelling coconut oil in the South Pacific. Proceedings of the international cashew and coconut conference: trees for life the key to development, Dar es Salaam, Tanzania, 17-21 February 1997: 457-468

Jopson, N.B.; McEwan, J.C.; Fennessy, P.F.; Dodds, K.G.; Nicoll, G.B.; Wade, C.M. 1997: Economic benefits of including computed tomography measurements in a large terminal sire breeding programme. Breeding response to client needs Association for the Advancement of Animal Breeding and Genetics Proceedings of the Twelfth Conference, Dubbo, NSW, Australia 6th-10th April 1997: Part 1: 72-76

Alzieu, J.P.; Mage, C.; Maes, L.; de Mûelenaere, C. 1999: Economic benefits of prophylaxis with diclazuril against subclinical coccidiosis in lambs reared indoors. Veterinary Record 144(16): 442-444

Chaudhry, M.A.; Rafiq, M.; Abdul Saboor 1995: Economic benefits of the water management programme: a case study of the Water Management Project of the University of Agriculture, Faisalabad. Pakistan Journal of Agricultural Sciences 32(4): 293-297

Tanaka, N. 1998: Economic botanical notes on edible canna (Cannaceae) in South Vietnam. Journal of Japanese Botany 73(6): 319-324

Rasmussen, U.L. 1999: Economic calculations based on selected lines. Dansk Pelsdyravl 62(10): 431-433

Mixdorf, U.; Villa, W. 1998: Economic calculations concerning choice of tree species and the determination of rotation age for Norway spruce stands in the State Forest of the Free State of Saxony, and their relationship to management intensity. Forstarchiv 69(4): 158-166

Grgic, Z.; Svrznjak, K. 1997: Economic characteristics of the production of milk and milk products on selected farms in the Koprivnica district. Mljekarstvo 47(3): 167-176

Georgieva, T.; Dimitrova, M. 1997: Economic characteristics of winter oat panicles according to crop structure and the degree of tillering. Pochvoznanie, Agrokhimiya y Ekologiya 32(6): 61-63

Mikhailov, V.; Uchkunov, I.; Uchkunova, K.; Khristova, L.; Ivanova, K. 1997: Economic characterization of sugarbeet cultivars and hybrids. Rasteniev'dni Nauki 34(7-8): 41-43

Fan BiQin 1999: Economic characters of the South African Boer goat and its management. Jiangsu Agricultural Sciences 1: 59-61

Dano, J.; Pavlic, M.; Demo, P.; Lagin, L. 1998: Economic classification of slaughter pigs and the proposal of relative price differentiation. Zemedelska Ekonomika 44(7): 311-319

Schmid, A.; Emery, S. 1998: Economic comparison of mating disruption with other control methods against grape berry moth (Lobesia botrana). Bulletin OILB/SROP 21(2): 91-92

Charffeddine, N.; Alenda, R. 1998: Economic concepts in a dairy cattle improvement programme. ITEA Produccion Animal 94a(3): 179-205

Roy, T.K.; Jayachandran, V.; Banerjee, S.K. 1999: Economic condition and fertility: is there a relationship?. Economic and Political Weekly 34(42/43): 3041-3046

Kisiel, R. 1998: Economic conditions and milk production costs and profitability in the North-Eastern Provinces of Poland. Acta Academiae Agriculturae ac Technicae Olstenensis, Oeconomica 34: 127-140

Thilakarathne, L.; Imai, K.; Yanagita, Y. 1998: Economic conditions of paddy cultivation in Anuradapura district, in the Eppawela area of Sri Lanka. Research Bulletin of the Faculty of Agriculture, Gifu University 63: 37-53

Mbokoko, B. 1997: Economic conditions of rural development in sub-Saharan Africa. Rural Development International Workshop, Godollo, Hungary, 9-13 April 1996: 207-221

Lokhorst, C. 1998: Economic consequences of aberrations in the production process of aviary systems for laying hens. Zootecnica International 21(6): 34-38

Pejsak, Z.; Markowska Daniel, I.; Stadejek, T.; Jodko, Z. 1997: Economic consequences of porcine reproductive and respiratory syndrome outbreak in a large scale pig farm. Medycyna Weterynaryjna 53(4): 204-207

Datta, K.K.; Jong, I.C. de 1997: Economic consideration of agricultural land drainage for managing waterlogged saline soils. Indian Journal of Agricultural Economics 52(2): 260-270

Haruvy, N. 1997: Economic considerations as affecting decision-making: focus on wastewater irrigation in Israel. Journal of Financial Management and Analysis 10(1): 69-79

Heissenhuber, A.; Kantelhardt, J.; Pahl, H. 1998: Economic considerations concerning the possibilities of environmental protection in agriculture. Medit 9(3): 4-9

Shevah, Y.; Kohen, G. 1997: Economic considerations for water used in irrigation in Israel. Water: economics, management and demand International Commission on Irrigation and Drainage Proceedings 18th European Regional Conference ' Water an economic good' , Oxford, UK, September 1997: 29-37

Smith, P. 1998: Economic considerations in setting research priorities for inland saline aquaculture. ACIAR Proceedings Series 83: 48-50

Rendel, J.M.; Harris, B.L. 1997: Economic considerations of protein variants in the design of breeding schemes. Milk protein polymorphism Proceedings of the IDF Seminar, Palmerston North, New Zealand, February 1997: 461-466

Yuan XueGuo 1997: Economic considerations on developing the undeleterious vegetable trade. Research of Agricultural Modernization 18(5): 295-297

Buzby, J.C.; Roberts, T. 1997: Economic costs and trade impacts of microbial foodborne illness. World Health Statistics Quarterly. Rapport Trimestriel de Statistiques Sanitaires Mondiales 50(1-2): 57-66

Dorfman, J.; Mcintosh, C. 1997: Economic criteria for evaluating commodity price forecasts. Journal of agricultural and applied economics 29(2): 337-345

Ripken, H. 1998: Economic criteria of sustainability in forest enterprises. Forst und Holz 53(6): 155-160

Nekrasov, S.S. 1999: Economic criteria of the critical state of complex machinery. Mekhanizatsiya i Elektrifikatsiya Sel' skogo Khozyaistva 4: 20-22

Neveu, A. 1997: Economic cycles in agriculture. Problemes Economiques ( 2519): 1-3

Mormyleva, V.F.; Tralenko, G.Y. 1997: Economic damage threshold for seed weevils on clover. Zascita i Karantin Rastenij 1 Karantin Rastenii (10): 43-44

Zhang XiLin; Zhang GuFeng; Zhang Zhi; Zhang JianMing 1998: Economic damage to Japonica rice by the second generation population of the white-backed planthopper. Acta Phytophylacica Sinica 25(2): 129-132

Paternotte, E. 1998: Economic damaging parasites which may occur on pear trees in 1999. Fruitteelt nieuws 11(23): 27-28

Shang, Y.C.; Tisdell, C.A. 1997: Economic decision making in sustainable aquacultural development. Sustainable aquaculture: 127-148

Frengley, G.; Engelbrecht, R. 1998: Economic deregulation and the adjustment of New Zealand farmers. Choices The Magazine of Food, Farm, and Resources Issues 1: 14-18

Henson, S.N.rthen, J. 1998: Economic determinants of food safety controls in supply of retailer own-branded products in United Kingdom. Agribusiness: an international journal 14(2): 113-126

Yeh GarOn; Xia Li 1999: Economic development and agricultural land loss in the Pearl River Delta, China. Habitat International 23(3): 373-390

Maluf, R.S. 1998: Economic development and the food question in Latin America. Food policy 23(2): 155-172

Fan Jing et al. 1996: Economic development of main grain product area in Jilin Province. Journal of Jilin Agricultural University 18(1): 77-81

Basile, E.; Cecchi, C. 1997: Economic differentiation and integration in rural economy. Rivista di Economia Agraria 52(1/2): 3-27

Nuppenau, E.A. 1998: Economic distortions in environmental programs: the search for optimal payment schemes. Economic transition and the greening of policies: modeling new challenges for agriculture and agribusiness in Europe Proceedings of the 50th European Seminar of the European Association of Agricultural Economists EAAE and the Follow Up Conference of the European Short Course in Global Trade Analysis, Giessen, Germany, 15-17 October 1996: 216-234

Stefanic, I.; Stefanic, E.; Pavlovic, M. 1996: Economic effect of buckwheat production in Eastern Croatia. Zbornik Biotehniske Fakultete Univerze v Ljubljani, Kmetijstvo 67: 253-258

Lee HaeGil; Lee WonSuk; Choi YoungJin; Yu ChangJae 1998: Economic effect on high density cultivation of pear by Y-type training system. RDA Journal of Farm Management and Agri Engineering 40(1): 29-36

Afanas' ev, G.D.; Zavgorodnyaya, M.P.; Konde Dzhene; Zavgorodnii, A.N. 1997: Economic effectiveness of an intermittent heating regime for floor-reared quails. Izvestiya Timiryazevskoi Sel' skokhozyaistvennoi Akademii 2: 153-157

Golinowska, M. 1997: Economic effectiveness of chemical treatments for plant protection on private farms with sprayers in the years 1993-1995. Progress in Plant Protection 37(2): 144-146

Ubreziova, I.; Mihina, S. 1998: Economic effectiveness of milk production for different types of milking cows in selected farms of Slovakia, II. Zemedelska Ekonomika 44(7): 305-309

Ovchinnikov, F.M.; Demchuk, L.N. 1996: Economic effectiveness of the Kedr cone shaker. Lesnoe Khozyaistvo 1: 47-48

Golinowska, M. 1997: Economic effectiveness of the chemical protection of sugarbeets on small-scale farms located in the sanitary protection zone of the Otmuchow water reservoir. Biuletyn Instytutu Hodowli i Aklimatyzacji Roslin 202: 295-302

Jang WonCheol; Park WonHeum; Hwang HyongBaek; Lee JongPal; Yoon JaeTak; Yeo SooKap 1998: Economic effects of branded Korean native cattle in Kyongbuk province. RDA Journal of Farm Management and Agri Engineering 40(2): 88-94

Henze, A.; Zeddies, J.; Zimmermann, B.; Erhardt, J. 1998: Economic effects of diet recommendations by the World Health Organization on agriculture and the agricultural industry in the European Union. Quarterly Journal of International Agriculture 37(1): 16-42

Zyl, J. van; Townsend, R.F.; Vink, N. 1997: Economic effects of market and trade liberalization on agriculture in the Western Cape Province of South Africa. Agrekon 36(4): 461-472

Kang KyeongHa; Lee BogNam; Woo SooGon 1997: Economic effects of mechanized operation system improvement for pear farming. RDA Journal of Farm Management and Agri Engineering 39(2): 1-11

Park WonHeum; Jang WonCheol; Kim YoungHyo; Lee JongPal; Yoon JaeTak; Choi BooSull 1998: Economic effects of participating farms in grape production organization. RDA Journal of Farm Management and Agri Engineering 40(1): 37-43

Marks, S.V.; Larson, D.F.; Pomeroy, J. 1998: Economic effects of taxes on exports of palm oil products. Bulletin of Indonesian Economic Studies 34(3): 37-58

Rouf, F.M.A.; Kabir, K.H. 1997: Economic efficacy of some insecticides for the control of mustard aphid, Lipaphis erysimi Kalt. Bangladesh Journal of Entomology 7(1/2): 1-5

Amit Bhaduri 1998: Economic efficiency and agrarian institutions. Noticiario de Historia Agraria 5(15): 15-25

Sharma, K.R.; Leung PingSun; Chen HaiLiang; Peterson, A. 1999: Economic efficiency and optimum stocking densities in fish polyculture: an application of data envelopment analysis (DEA) to Chinese fish farms. Aquaculture 180(3/4): 207-221

Tupy, O.; Shirota, R. 1998: Economic efficiency in poultry production. Informacoes Economicas Instituto de Economia Agricola 28(10): 25-38

Jayanthi, C.; Rangasamy, A.; Chinnusamy, C. 1997: Economic efficiency of component linkage in lowland integrated farming system. Madras Agricultural Journal 84(8): 498-504

Golez, M. 1997: Economic efficiency of maize production. Sodobno Kmetijstvo 30(4): 184-186

Niezgoda, D.; Saba, L.; Stenzel, R.; Bis Wencel, H. 1998: Economic efficiency of mineral-herb mixtures in calf nutrition. Roczniki Naukowe Zootechniki 25(3): 259-267

Han BongTae; Seo SangTaek; Kim YeeGi; Kim TaeSu; Rho ChangWoo; Park KyeWon 1998: Economic efficiency of oyster mushroom farming by institution style. RDA Journal of Farm Management and Agri Engineering 40(2): 112-118

Schwarz, J.; Wartenberg, G. 1999: Economic efficiency of site-specific herbicide application. Landtechnik 54(6): 334-335, 384

Nedelciuc, M.; Nedelciuc, C.; Vaduva, I.; Iagaru, G.; Groza, N. 1995: Economic efficiency of some crop rotations and nitrogen fertilization for irrigation conditions in the south-west Romanian plain. Romanian Agricultural Research 4: 77-83

Schabel, H.G.; Hilje, L.; Nair, K.S.S.; Varma, R.V. 1999: Economic entomology in tropical forest plantations: an update. Journal of Tropical Forest Science 11(1): 303-315

Juszczak, M.; Krasinski, T. 1998: Economic estimation of winter wheat and winter rape protection. Progress in Plant Protection 38(1): 247-257

Fahmey ; Fatma, A.H.; Atia, A.A.M. 1996: Economic evaluation for the methods of weed control on wheat crop in Beni-Swef Governate. Annals of Agricultural Science Cairo ( Special Issue): 309-323

Atkins, K.D.; Coelli, K.A. 1997: Economic evaluation of Merino bloodlines including risk considerations. Breeding responding to client needs Association for the Advancement of Animal Breeding and Genetics Proceedings of the Twelfth Conference, Dubbo, NSW, Australia, 6th-10th April 1997: Part 2: 701-704

Gangwar, L.S.; Shyam Singh 1998: Economic evaluation of Nagpur mandarin cultivation in Vidarbha region of Maharashtra. Indian Journal of Agricultural Economics 53(4): 648-653

Behera, B.P.; Sahoo, N. 1998: Economic evaluation of a drip irrigation system in Orissa. Environment and Ecology 16(2): 297-299

Najera Hernandez, F.; Palacios Velez, O.L.; Nokolskii Gavrilov, I. 1998: Economic evaluation of a subsurface drainage plot with sugar cane and jalapeno chilli in the humid tropics. Agrociencia 32(3): 209-215

Bennett, A.L.; Pannell, D.J. 1998: Economic evaluation of a weed-activated sprayer for herbicide application to patchy weed populations. Australian Journal of Agricultural and Resource Economics 42(4): 389-408

Tao, G.; Remafedi, G. 1998: Economic evaluation of an HIV prevention intervention for gay and bisexual male adolescents. Journal of Acquired Immune Deficiency Syndromes and Human Retrovirology: Official Publication of the International Retrovirology Association 17(1): 83-90

Madiwalar, S.L.; Nadagoudar, B.S.; Mutanal, S.M.; Patil, S.J. 1996: Economic evaluation of an agri-silvi-horti-pastoral system in transitional tract of Dharwad. Proceedings, IUFRO DNAES international meeting: resource inventory techniques to support agroforestry and environment, October 1-3-1996, DAV College, Chandigarh, India: 287-289

Schuh, C.; Jungbluth, T.; Lorenz, J.; Rudovsky, A. 1999: Economic evaluation of animal production systems. Zuchtungskunde 71(1): 78-88

Magnussen, K.; Rymoen, E.; Bratli, J.L.; Bergland, O. 1998: Economic evaluation of better environment quality and water occurrence. Landbruksokonomisk Forum 15(4): 51-61

Chandel, B.S.; Chakor, I.S. 1998: Economic evaluation of crop management research recommendation for farmers' adoption - a study on ginger cultivation in Himachal Pradesh. Indian Journal of Agricultural Economics 53(1): 53-60

Sherif, S.A. 1997: Economic evaluation of crop production functions under different irrigation systems in the Egyptian new lands. Alexandria Journal of Agricultural Research 42(2): 1-14

Rzeszutek, J.; Rzeszutek, I. 1998: Economic evaluation of crop rotations with increasing proportion of potato. Acta Academiae Agriculturae ac Technicae Olstenensis, Agricultura 66: 197-213

Slosser, J.E.; Bordovsky, D.G.; Bevers, S.J. 1999: Economic evaluation of cultivar, row spacing, and insecticides for boll weevil management. 1999 Proceedings Beltwide Cotton Conferences Orlando Florida USA 3-7 January 1999: 2: 842-845

Bilik, K. 1997: Economic evaluation of different rearing systems of heifers and milk utilization of cows with a different genetic structure. Roczniki Naukowe Zootechniki 24(4): 283-297

Yokoyama, L.P.; Viana Filho, A.; Balbino, L.C.; Oliveira, I.P. de; Oliveira Barcellos, A. de 1999: Economic evaluation of different technologies for pasture recuperation. Pesquisa Agropecuaria Brasileira 34(8): 1335-1345

Yamamoto, N.; Koike, T.; Entsu, S.; Otani, I. 1997: Economic evaluation of embryo transfer in animal production. Bulletin of the Chugoku National Agricultural Experiment Station 17: 1-27

Pirringer, H. 1998: Economic evaluation of extensification experiments - final report on Project AW/97/90. Monatsberichte uber die Osterreichische Landwirtschaft 45(12): 887-894

Shaik Haffis; Reddy, Y.V.R.; Rao, C.A.R.; Katyal, J.C. 1997: Economic evaluation of fertiliser use for different crops by farm size under different situations. Fertiliser News ( SEM/SPECIAL): 107-122

Wierzbicki, K. 1998: Economic evaluation of individual and local vegetation root-soil bed treatment systems of domestic sewage. Problemy Inzynierii Rolniczej 6(4): 137-145

Vroomen, C.O.N. de; Stokkers, R. 1997: Economic evaluation of integrated bulb production systems. Acta Horticulturae 430: 211-212

Reddy, B.V.C.; Nagaraja, G.N.; Venkataram, J.V.; Ramegowda, P.V. 1997: Economic evaluation of investment in mango enterprise - a study of Totapuri variety. Mysore Journal of Agricultural Sciences 31(3): 285-289

Okoh, R.N. 1998: Economic evaluation of losses in yams stored in traditional barns. Tropical Science 38(3): 125-127

Ruben, R.; Heerink, N.B.M.; Mol, E. 1998: Economic evaluation of low and high external input agriculture: a production function analysis for Indonesia. Economics of agro chemicals: an international overview of use patterns, technical and institutional determinants, policies and perspectives Selected papers of the symposium of the International Association of Agricultural Economists held at Wageningen, the Netherlands, 24-28 April 1996: 127-143

Gulyas, L.; Szalka, E.; Kovacs, T.; Bednarik, R. 1998: Economic evaluation of milk production in the Kisalfold agricultural cooperative of Bogyoszlo. Acta Agronomica Ovariensis 40(2): 189-199

Holmann, F. 1998: Economic evaluation of milk production systems in the tropics. Archivos Latinoamericanos de Produccion Animal 6(1/Supl.1): 19-31

Larson, R.L.; Pierce, V.L.; Randle, R.F. 1998: Economic evaluation of neonatal health protection programs for cattle. Journal of the American Veterinary Medical Association 213(6): 810-816

Boswinkel, G.; Derksen, J.T.P.; Cuperus, F.P. 1996: Economic evaluation of new oilseed crops for the Netherlands. Progress in new crops: Proceedings of the Third National Symposium, Indianapolis, Indiana, USA, 22-25 October 1996: 296-299

A.Kadi, A.F. 1997: Economic evaluation of olive production in a low rainfall area. Dirasat Agricultural Sciences 24(3): 379-382

Stonehouse, D.P. 1999: Economic evaluation of on-farm conservation practices in the great lakes region of North America. Environmetrics 10(4): 505-520

Ferratto, J.; Rotondo, R.; Benedetto, A. di; Casella, E. 1996: Economic evaluation of production of chrysanthemums (Dendranthema grandiflora) for cut flowers. Horticultura Argentina 15(38): 75-79

Kandasamy, O.S.; Raja, D. 1999: Economic evaluation of puddling methods and weed control practices in a transplanted lowland rice-rice cropping system. Acta Agronomica Hungarica 47(1): 33-38

Carlsen, J. 1997: Economic evaluation of recreation and tourism in natural areas: a case study in New South Wales, Australia. Tourism Economics 3(3): 227-239

Kundrik, F.; Gregus, C.; Kodrik, M. 1999: Economic evaluation of restorative measures in the immission damaged regions Orava and Kysuce. Journal of Forest Science 45(8): 365-374

Qui, Z.P.ato, T. 1998: Economic evaluation of riparian buffers in an agricultural watershed. Journal of the American Water Resources Association 34(4): 877-890

Machado, J.A.R.; Siqueira, A.C.M. de F.; Nogueira, J.C.B. 1998: Economic evaluation of seedlings in plastic bags and dibble tubes for raising planting stock of canafistula - Peltophorum dubium (Sprengel) Taubert. Revista do Instituto Florestal 10(2): 207-215

Kanada, N. 1999: Economic evaluation of the agricultural environment by the Hedonic method. Food Policy Study 99: 96-139

Yabe, M. 1999: Economic evaluation of the agricultural environment by the contingent valuation method. Food Policy Study 99: 53-95

Hetz, E.; Huerta, A.; Villar, S.; Lopez Roudergue, M. 1998: Economic evaluation of the agricultural tractors sold in Chile. Agro Sur 26(2): 33-43

Bridges, T.C.; Turner, L.W.; Gates, R.S. 1997: Economic evaluation of the effect of summertime environments for growing/finishing swine in central Kentucky. Livestock environment 5, Volume 2 Proceedings of the Fifth International Symposium, Bloomington, Minnesota, USA, 29-31 May 1997: 1024-1031

Just, R.E.; Weninger, Q. 1997: Economic evaluation of the farmers' market nutrition program. American Journal of Agricultural Economics 79(3): 902-917

Jansen, H.; Nieuwenhuyse, A.; Ibrahim, M.; Abarca, S. 1997: Economic evaluation of the incorporation of legumes into improved pastures compared with traditional cattle feeding systems in the Atlantic Zone of Costa Rica. Agroforesteria en las Americas 4(15): 9-13

Vlacil, R. 1998: Economic evaluation of the meat-milk production system in sheep breeding. Zemedelska Ekonomika 44(9): 411-415

Baanante, C.A. 1998: Economic evaluation of the use of phosphate fertilizers as a capital investment. Johnston, A E, Syers, J K Nutrient management for sustainable crop production in Asia 109-120

Enkerlin, W.; Mumford, J. 1997: Economic evaluation of three alternative methods for control of the Mediterranean fruit fly (Diptera: Tephritidae) in Israel, Palestinian Territories, and Jordan. Journal of Economic Entomology 90(5): 1066-1072

Macchi, C.; Morris, R.S.; Pfeiffer, D.U.; Beckett, S. 1999: Economic evaluation of three anthelmintic strategies for lamb flocks affected by benzimidazole-resistant nematodes. Australian Veterinary Journal 77(10): 674-677

Batte, M.T.; Bacon, K.J. 1995: Economic evaluation of three production regimes at the Ohio MSEA Project. Clean water clean environment 21st century: team agriculture working to protect water resources Volume 3: practices, systems and adoption Conference proceedings, Kansas City, Missouri, USA, 5-8 March 1995: 17-20

Duplancic, M.C.; Rodriguez, E.M. 1997: Economic evaluation of tomato in soilless culture compared with culture in soil. Proceedings of the 9th International Congress on Soilless Culture St Helier, Jersey, Channel Islands, 12-19 April 1996: 147-155

Stewart, L.E.D.; Copland, T.A.; Dickson, J.W.; Douglas, J.T. 1998: Economic evaluation of traffic systems for arable and grass crops on an imperfectly drained soil in Scotland. Journal of Sustainable Agriculture 12(1): 41-56

Suresh, G.; Rao, J.V. 1998: Economic evaluation of tree-crop systems with nitrogen fixing tree species and nitrogen levels in Alfisols. Range Management and Agroforestry 19(1): 33-41

Kormawa, P.; Kamara, A.; Jutzi, S.; Sanging, N. 1999: Economic evaluation of using mulch from multi-purpose trees in maize-based production systems in south-western Nigeria. Experimental agriculture 35(1): 101-109

Ram Babu; Dhyani, B.L. 1998: Economic evaluation of watershed management programmes in India. Advances in Geoecology 31: 897-904

Kositzyn, V.N. 1998: Economic evaluation of wild berry resources. Rastitel'nye Resursy 34(4): 76-81

Corticelli, C. 1998: Economic evaluations concerning seeds for autumn and spring cereals. Informatore Agrario 54(35): 35-36

Pilichowski, A. 1998: Economic evolution of the Polish peasant. The sociological perspective. Sbornik praci z mezinarodni vedecke konference, Agrarni perspektivy VII Evropska integrace a vyuzivani prirodnich zdroju, Dil II, Praha, Czech Re ic, 17-18 Zari 1998: 984-989

Crevoisier, O.; Muller, A. 1998: Economic evolution of wood industry and forestry: an analysis in terms of innovative environments. Economie Rurale 248: 29-37

Nociarova, G. 1996: Economic expression of losses due to decreasing volume increment of species. Lesnicky Casopis 42(2): 125-127

Ghatol, P.U.; Dahatonde, B.N.; Darange, S.O.; Wanjari, S.S.; Jiotode, D.J. 1997: Economic feasibility and water use studies as influenced by safflower-chickpea intercropping system under varied moisture regimes. Annals of Plant Physiology 11(2): 200-202

Lobos, G.; Cea, G.; Quero, P.; Ponce, A. 1996: Economic feasibility of Oncorhynchus mykiss culture in inland waters of Chile, South America. Bulletin of the Aquaculture Association of Canada 96: 32-34

Aich, A.C.; Ahmed, A.H.M.; Mandal, R. 1997: Economic feasibility of bamboo subsurface drainage in coastal saline soils of Bangladesh. International Journal of Tropical Agriculture 15(1/4): 57-64

Bijai Kumar; Singh, S.K.; Singh, V.K. 1997: Economic feasibility of dairy financing under IRDP for weaker section of Azamgarh District (Uttar Pradesh). Indian Cooperative Review 35(2): 133-140

Mitrannavar, D.H.; Balaji Kulkarni 1998: Economic feasibility of grape cultivation in Bijapur district of Karnataka. Advances in Agricultural Research in India 9: 107-112

Hallam, A.; Anderson, I.C.; Buxton, D.R. 1997: Economic feasibility of growing forage biomass crops in Iowa. US Dairy Forage Research Center, Research Summaries ( MAR): 16-17

Biernacki, J.; Lam, F.B.rrett, J. 1997: Economic feasibility of improved strength and stiffness prediction of MEL and MSR lumber. Forest products journal 47(11-12): 85-91

Muhammad Aslam; Javed, M.A.; Malik, K.B. 1998: Economic feasibility of intercropping raya and sunflower at different plant densities in autumn planted sugarcane. Pakistan Sugar Journal 13(2): 15-17

Dwivedi, V.D.; Namdeo, K.N.; Chaurasia, S.C. 1998: Economic feasibility of legume and non-legume-based double cropping systems under rainfed conditions. Indian Journal of Agronomy 43(3): 404-406

Singh, R.S.; Rahman, A. 1999: Economic feasibility of pigeonpea (Cajanus cajan L.) based intercropping systems in Chotanagpur plateau. Journal of Research, Birsa Agricultural University 11(1): 27-30

Srinivasulu, K.; Veeraraghavaiah, R.; Madhavi, K. 1999: Economic feasibility of rice hybrids as affected by varying plant population densities. Crop Research Hisar 18(1): 8-11

Bender, M. 1999: Economic feasibility review for community-scale farmer cooperatives for biodiesel. Bioresource technology 70(1): 81-87

Basile, F.; Foti, V.T. 1997: Economic features of cactus pear production in Italy. Acta Horticulturae 438: 139-150

Prins, A.; Bornman, J.J.; Meyer, J.H. 1997: Economic fertiliser recommendations for sugarcane in Kwazulu-Natal, incorporating risk quantification using the KYNO-CANE computer program. Proceedings of the Annual Congress South African Sugar Technologists' Association 71: 38-41

Mikusinski, G.; Angelstam, P. 1998: Economic geography, forest distribution, and woodpecker diversity in central Europe. Conservation Biology 12(1): 200-208

Radchenko, V.V.; Tkachenko, V.P.; Karamushka, Y.N. 1999: Economic grounds for investment in agricultural equipment and technology. Mekhanizatsiya i Elektrifikatsiya Sel' skogo Khozyaistva 4: 2-4

Hashim, S.R. 1998: Economic growth and income distribution : the Indian experience of development. Economic and Political Weekly 33(12): 661-666

Fernandez Guerrero, J.I.; Garcia Menendez, L.; Suarez Burguet, C. 1998: Economic growth, agglomeration and land planning: a critical approach based on the Valencia region experience. Advances in ecological sciences Volume 1: Ecosystems and sustainable development: 3-11

Messori, F. 1996: Economic growth, scarcity and land rent. Rivista di Economia Agraria 51(4): 427-465

Harries, H.C. 1998: Economic harvesting of tropical tree crops. Planter 74(864): 157-160, 163-165

Sharma, J.R.; Lal, R.K.; Misra, H.O.; Lohia, R.S.; Vasudha Pant; Pushpa Yadav 1997: Economic heterosis for seed yield and feasibility of its exploitation in opium poppy (Papaver somniferum). Journal of Medicinal and Aromatic Plant Sciences 19(2): 398-402

Tambi, E.N.; Maina, O.W.; Mukhebi, A.W.; Randolph, T.F. 1999: Economic impact assessment of rinderpest control in Africa. Revue Scientifique et Technique 18(2): 458-477

Bofu, S.; Weiming, T.; Jimin, W.; Chunlin, W.; Zhengui, Y.; Shengwu, W.; Huarte, M. 1996: Economic impact of CIP-24 in China. Case studies of the economic impact of CIP related technologies: 31-49

Ortiz, O.; Alcazar, J.; Catalan, W.; Villano, W.; Cerna, V.; Fano, H.; Walker, T.S. 1996: Economic impact of IPM practices on the andean potato weevil in Peru. Case studies of the economic impact of CIP related technologies: 95-110

Fuglie, K.; Zalah, H.B.; Essamet, M.; Temime, A.B.; Rahmouni, A. 1996: Economic impact of IPM practices on the potato tuber moth in Tunisia. Case studies of the economic impact of CIP related technologies: 67-81

Romero, J.R.; Villamil, L.C.; Pinto, J.A. 1999: Economic impact of animal diseases on production systems in South America: case studies. Revue Scientifique et Technique 18(2): 498-511

Lunnan, A.; Swanson, M.; Westeren, K.I.; Morse, G. 1997: Economic impact of forestry in Norway. Meddelelser fra Skogforsk 48: 207-223

Bridgwater, F.; Smith, W. 1997: Economic impact of fusiform rust on the value of loblolly pine plantations. Southern journal of applied forestry 21(4): 187-192

Rueda, J.L.; Ewell, P.T.; Walker, T.S.; Soto, M.; Bicamumpaka, M.; Berrios, D. 1996: Economic impact of high-yielding, late-blight-resistant varieties in the eastern and central African highlands. Case studies of the economic impact of CIP related technologies: 15-30

Grafius, E. 1997: Economic impact of insecticide resistance in the Colorado potato beetle (Coleoptera: Chrysomelidae) on the Michigan potato industry. Journal of Economic Entomology 90(5): 1144-1151

Moshi, A.J.; Anandajayasekeram, P.; Kaliba, A.; Martella, D.; Mwangi, W.; Shao, F. 1998: Economic impact of maize research in Tanzania. Research and Training Newsletter Dar es Salaam 13(1/3): 28-30

Alvarez, P.; Escarraman, V.; Gomez, E.; Villar, A.; Jimenez, R.; Ortiz, O.; Alcazar, J.; Palacios, M. 1996: Economic impact of managing sweet potato weevil (Cylas formicarius) with sex pheromones in the dominican republic. Case studies of the economic impact of CIP related technologies: 83-94

Harris, M.; Ree, B.; Cooper, J.; Jackman, J.; Young, J.; Lacewell, R.; Knutson, A. 1998: Economic impact of pecan integrated pest management implementation in Texas. Journal of Economic Entomology 91(5): 1011-1020

Bunte, F.H.J.; Wijnands, J.H.M.; Bremmer, J.; Hoogeveen, M.; Tonneijck, A.E.G. 1998: Economic impact of reductions in exposure of agricultural crops to nitrogen- and sulphuroxides in the Netherlands. Environmental Pollution 102(Suppl 1): 657-661

Matthes, W.; Ilchmann, G.; Rehbock, F. 1998: Economic impact of subclinical parasitic infections in fattening pigs. Der Praktische Tierarzt 79(11): 1067-1068; 1071

Linderova, R. 1997: Economic impact of the Act for Protection of Nature and Landscape on forest management in Slovakia. Zpravy Lesnickeho Vyzkumu 42(3): 33-40

Lopes, C.M.D.A.; Silva, N.M. 1998: Economic impact of the cupuacu fruit borer, Conotrachelus humeropictus Field (Coleoptera: Curculionidae) in Amazonas and Rondonia States, Brazil. Anais da Sociedade Entomologica do Brasil 27(3): 481-483

Fonseca, C.; Labarta, R.; Mendoza, A.; Landeo, J.; Walker, T.S. 1996: Economic impact of the high-yielding, late-blight-resistant variety canchan-INIAA in Peru. Case studies of the economic impact of CIP related technologies: 51-63

Uyen, N.V.; Ho, T.V.; Tung, P.X.; Zaag, P.V.; Walker, T.S. 1996: Economic impact of the rapid multiplication of high-yielding, late-blight-resistant varieties in dalat, Vietnam. Case studies of the economic impact of CIP related technologies: 127-137

Strauss, C.H.; Lord, B.E.; Grado, S.C. 1997: Economic impact of travel and tourism in Southwestern Pennsylvania. General Technical Report Northeastern Forest Experiment Station, USDA Forest Service ( NE-232): 256-260

Khatana, V.S.; Upadhya, M.D.; Chilver, A.; Crissman, C.C. 1996: Economic impact of true potato seed on potato production in eastern and northeastern India. Case studies of the economic impact of CIP related technologies: 139-156

Raneses, A.; Hanson, K.; Shapouri, H. 1998: Economic impacts from shifting cropland use from food to fuel. Biomass and Bioenergy 15(6): 417-422

Alavalapati, J.R.R.; White, W.; Patriquin, M. 1999: Economic impacts of changes in the forestry sector: a case study of the Foothills region in Alberta. Forestry Chronicle 75(1): 121-127

Grado, S.C.; Strauss, C.H.; Lord, B.E. 1998: Economic impacts of conferences and conventions. Journal of Convention and Exhibition Management 1(1): 19-33

Kulshreshtha, S.N. 1998: Economic impacts of selected forestry practices on the economy of northwest Saskatchewan. Forestry chronicle 74(4): 617-624

Ryan, C. 1998: Economic impacts of small events: estimates and determinants - a New Zealand example. Tourism Economics 4(4): 339-352

Herrmann, R. 1999: Economic impacts of the new European banana market regime: the case of Germany. Jahrbucher fur Nationalokonomie und Statistik 218(1/2): 63-84

Sasaki, K.; Harada, M.; Morino, S. 1997: Economic impacts of theme-park development by input-output analysis: a process toward local industrialization of leisure services. Managing Leisure 2(1): 29-38

Boggess, W.G.; Johns, G.; Meline, C. 1997: Economic impacts of water quality programs in the Lake Okeechobee watershed of Florida. Journal of Dairy Science 80(10): 2682-2691

Folwell, R.J.; Crawford, S.E.; Eskelsen, S.R.; Schreiber, A.A. 1997: Economic impacts of withdrawing preferred pesticides from U.S. asparagus (Asparagus officinalis L.) production. Journal of Vegetable Crop Production 3(2): 43-63

Wailes, E.J.; Cramer, G.L.; Young, K.B.; Tacker, P. 1999: Economic impacts on Arkansas rice from ground water depletion. Research Series Arkansas Agricultural Experiment Station 468: 423-426

Lewandrowski, J.; Schimmelpfennig, D. 1999: Economic implications of climate change for U.S. agriculture: assessing recent evidence. Land Economics 75(1): 39-57

Kouka, P.J.; Engle, C.R. 1996: Economic implications of treating effluents from catfish production. Aquacultural Engineering 15(4): 273-290

Saad, A.T.; Masannat, K. 1997: Economic importance and cycle of Polystigma ochraceum, causing red leaf blotch disease of almond, in Lebanon. Bulletin OEPP 27(4): 481-485

O.Leary, P.F. 1998: Economic importance of Lygus spp. in cotton. 1998 Proceedings Beltwide Cotton Conferences San Diego California USA 5-9 January 1998 2: 926-927

Cepin, S.; Zgur, S. 1997: Economic importance of bovine carcass grading in Slovenia according to EUROP system. Poljoprivredna Znanstvena Smotra 62(1/2): 23-27

Dodelin, V.; Phocas, F.; Havy, A.; Renand, G. 1998: Economic importance of breeding traits in the breeding objectives of the hardy breeds Aubrac, Gascon and Salers. Rencontres Recherches Ruminants 5: 145-148

Alavalapati, Jrr; Adamowicz, Wl 1999: Economic importance of forestry-related sectors in the provincial and northwestern regional economy of Alberta. Forestry chronicle 75(1): 111-119

Lindquist, J.L.; Dieleman, A.; Mortensen, D.A.; Johnson, G.A.; Wyse Pester, D.Y. 1998: Economic importance of managing spatially heterogeneous weed populations. Weed Technology 12(1): 7-13

aguna, M. 1996: Economic importance of social productive factors for large and small private farms. Acta Academiae Agriculturae ac Technicae Olstenensis, Oeconomica 33: 35-43

Cruz, M.; Cardona, C. 1998: Economic importance of the leafminer Liriomyza sativae (Diptera: Agromyzidae) as a pest of beans in the Valle del Cauca. Revista Colombiana de Entomologia 24(1/2): 49-53

Sugimoto, C. 1997: Economic importance of theileriosis in Japan. Tropical Animal Health and Production 29(4 Suppl): 49S

Petrovic, S.; Milosevic, T. 1999: Economic importance, trends and problems in apricot production in the Federal Republic of Yugoslavia. Acta Horticulturae 488: 77-82

Kempf, M.; Theobald, U.; Fiedler, H.P. 1999: Economic improvement of the fermentative production of gallidermin by Staphylococcus gallinarum. Biotechnology Letters 21(8): 663-667

Nelson, R.A.; Cramb, R.A. 1998: Economic incentives for farmers in the Philippine uplands to adopt hedgerow intercropping. Journal of Environmental Management 54(2): 83-100

Thorbjarnarson, J.; Velasco, A. 1999: Economic incentives for management of Venezuelan caiman. Conservation Biology 13(2): 397-406

Bach, C.F. 1999: Economic incentives for sustainable management: a small optimal control model for tropical forestry. Ecological Economics Amsterdam 30(2): 251-265

Stewart, W.L.; Schuster, E.G.; McGinnis, W.J. 1996: Economic indicator maps for rural development in the East. General Technical Report Intermountain Research Station, USDA Forest Service ( INT-GTR-329): 24 pp.

Schuster, E.G.; McGinnis, W.J.; Stewart, W.L. 1996: Economic indicator maps for rural development in the interior West. General Technical Report Intermountain Research Station, USDA Forest Service ( INT-GTR-330): 27 pp.

Diaz Castro, G. 1997: Economic injury by the green aphid Schizaphis graminum (Rondani) (Homoptera: Aphididae) on irrigated wheat in Guanajuato, Mexico. Agrociencia 31(2): 217-222

Pavan, F.; Sbrissa, F. 1997: Economic injury level for the second generation of grape berry moths based on weight loss. Frustula Entomologica 20: 18-26

Nath, R.K.; Dutta, B.C. 1997: Economic injury level of rice hispa, Dicladispa armigera (Oliv.). Journal of the Agricultural Science Society of North East India 10(2): 273-274

Singh, C.P.; Sachan, G.C. 1997: Economic injury levels and economics of control of the mustard aphid, Lipaphis erysimi (Kalt.) on mustard in Tarai, India. Insect Science and its Application 17(3/4): 293-296

Archer, T.L.; Peairs, F.B.; Pike, K.S.; Johnson, G.D.; Kroening, M. 1998: Economic injury levels for the Russian wheat aphid (Homoptera: Aphididae) on winter wheat in several climate zones. Journal of Economic Entomology 91(3): 741-747

Kooten, G.C. van; Folmer, H. 1997: Economic instruments and the pasture-crop-forest interface. Climate change mitigation and European land use policies: 113-128

Kessler, P. 1997: Economic instruments in water management. Water: economics, management and demand International Commission on Irrigation and Drainage Proceedings 18th European Regional Conference ' Water an economic good' , Oxford, UK, September 1997: 321-327

Kennedy, P.L.; Sonnier, G.P. 1997: Economic integration and international agricultural trade: the case of Central and Eastern Europe. Journal of International Food and Agribusiness Marketing 9(3): 57-72

Dieter, M. 1999: Economic investigation of advance planting in old spruce stands. Forstwissenschaftliches Centralblatt 118(3): 145-155

MacNaeidhe, F.S.; Fingleton, W. 1997: Economic investigations of organic calf to beef and sheep production. European Newsletter on Organic Farming 6: 20-22

Nyc, K. 1996: Economic irrigation systems. Zeszyty Problemowe Postepow Nauk Rolniczych 438: 125-132

Forster, D.L. 1998: Economic issues in animal waste management. Animal waste utilization: effective use of manure as a soil resource: 33-48

Purohit, M.L. 1997: Economic issues in nutrient management. From research station to farmer' s field: nutrient management research for millet based cropping systems of western Rajasthan Proceedings of a planning workshop, Jodhpur, Rajasthan, India, 20-22 May 1996: 49-53

Wichelns, D. 1998: Economic issues regarding tertiary canal improvement programs, with an example from Egypt. Irrigation and Drainage Systems 12(3): 227-251

First Godek, L.; Godek, J. 1998: Economic justification of breeding Croatian Cold-blooded foals on a family farm. Agronomski Glasnik 60(5/6): 301-304

Gaur, G.L. 1998: Economic liberalisation in India: the potential of cooperativisation. Cooperative Sugar 29(5): 331-334

Bakari, R.; Andersson, J. 1998: Economic liberalization and its effect on the exploitation of crustaceans in Tanzania. Ambio 27(8): 761-762

Karanja, A.M. 1997: Economic liberalization and privatization effects on technology transfer in eastern Africa and Kenya in particular. Dix septieme Colloque Scientifique International sur le Cafe, Nairobi, Kenya, 20-25 juillet 1997: 322-331

Coq, J.F. le; Nguyen Quang Tuyen; Lam Huon; Vo Van Ha; Nguyen Duy Can 1997: Economic liberalization, intensification, and diversification: case study of an agricultural region in the Mekong Delta. Agriculture et Developpement 15: 35-42

Hettige, S. 1997: Economic liberalization, social class and ethnicity: emerging trends and conflicts. South Asia 20(Special): 331-358

Yuan Feng; Hua BaoZhen; Sun JianJun; Yang CongJun 1996: Economic loss and action threshold of Atractomorpha sinensis in tobacco. Plant Protection 22(6): 15-17

Atallah, S.T.; El Kak, A.A. 1998: Economic loss due to infection of cattle and buffaloes with tuberculosis and brucellosis. Alexandria Journal of Agricultural Research 43(3): 367-376

Enting, H.; Kooij, D.; Dijkhuizen, A.A.; Huirne, R.B.M.; Noordhuizen Stassen, E.N. 1997: Economic losses due to clinical lameness in dairy cattle. Livestock Production Science 49(3): 259-267

Stonehouse, J.M.; Mumford, J.D.; Mustafa, G. 1998: Economic losses to tephritid fruit flies (Diptera: Tephritidae) in Pakistan. Crop Protection 17(2): 159-164

Zeldner, A.G.; Zaets, A.S. 1998: Economic mechanisms for the regulation of the sugar market. Sakharnaya Svekla 9: 5-8

Zel' dner, A.G.; Zaets, A.S. 1998: Economic mechanisms of sugar market regulation. Sakharnaya Svekla 10: 2-4

Bhaskaran, S. 1999: Economic meltdown in Malaysia: down to basics? A review of interest group and public policy trends in Malaysia's dairy farming sector. Journal of International Food and Agribusiness Marketing 10(2): 31-47

Fromm, O.; Bruggemann, R. 1999: Economic methods of ecosystem valuation in the example of soil. Part I: the soil from an ecological, economic and ecological-economic perspective. Umweltwissenschaften und Schadstoff Forschung 11(2): 120-124

Fromm, O.; Bruggemann, R. 1999: Economic methods of ecosystem valuation in the example of soil. Part II: monetary valuation techniques for ecosystem services. Umweltwissenschaften und Schadstoff Forschung 11(3): 177-179

Fromm, O.; Bruggemann, R. 1999: Economic methods of ecosystem valuation in the example of soil. Part III: economic valuation for the future: the discounting problem. Umweltwissenschaften und Schadstoff Forschung 11(4): 235-240

Stefanic, I. 1997: Economic model of dairy production on family farms in eastern Croatia. Poljoprivredna Znanstvena Smotra 62(3/4): 251-256

Mputeni, P.S. 1998: Economic model of replanting. Quarterly Newsletter Tea Research Foundation of Central Africa 129: 25-28

Deegen, P.; Hung, B.C.; Mixdorf, U. 1997: Economic modelling for choosing tree species under uncertain temperature trends. Forstarchiv 68(5): 194-205

Griffith, G.R.; Vere, D.T. 1998: Economic modelling of the NSW beef industry. Beef the path forward, NSW Agriculture Beef Products Conference, Armidale, Australia, November 1998: 155-158

Nietupski, T. 1996: Economic models of family farms in different natural and economic conditions. Zeszyty Problemowe Postepow Nauk Rolniczych 433: 21-27

Behnke, R.H. 1997: Economic models of pastoral land tenure. African Journal of Range and Forage Science 14(1): 32-37

Rogers, N.I.; Putt, H.B. 1997: Economic nitrogen responses on wet Northland soils. Proceedings of the New Zealand Grassland Association 59: 129-130

Joshi, O.P.; Billore, S.D. 1998: Economic optima of sulphur fertilizer for soybean (Glycine max). Indian Journal of Agricultural Sciences 68(5): 244-246

Schreiber, R.; Bergmann, A. 1999: Economic optimal cross cutting compared with conventional harvester cross cutting. AFZ/Der Wald, Allgemeine Forst Zeitschrift fur Waldwirtschaft und Umweltvorsorge 54(3): 100-103

Brukas, V.; Brodie, J.D. 1999: Economic optimisation of silvicultural regimes for Scots pine using dynamic programming. Baltic Forestry 5(1): 28-34

Mourits, M.; Huirne, R.; Dijkhuizen, A.; Kristensen, A.; Galligan, D. 1999: Economic optimization of dairy heifer management decisions. Agricultural systems 61(1): 17-31

Barata, M.Q.F.; Tatizana, S.A.; Peres, F.C. 1998: Economic optimization of harvest and crop renewal of sugarcane. 7th International Conference on Computers in Agriculture, Orlando, Florida, USA, 26-30 October 1998: 117-123

Cahn, M.B.; Stevens, R.B.; Klundert, A.C.A. van de 1997: Economic outcomes of early cropping and tree spacing decisions in Braeburn apples on Malling 9 rootstock. Acta Horticulturae 451: 551-558

Simensen, E.; Nyhus, L.T.; Lutnaes, B. 1999: Economic parameters in cattle herds with combined milk and beef production. Norsk Veterinaertidsskrift 111(6): 403-409

Izakova, V. 1999: Economic parameters of agricultural production in regions of Slovakia. Zemedelska Ekonomika 45(6): 245-249

Amsberg, J. von 1998: Economic parameters of deforestation. National Bank News Review Bombay 14(2): 26-39

Vilcek, J. 1997: Economic parameters of point evaluation of Slovakian soils. Zemedelska Ekonomika 43(10): 437-440

Schroder, P.; Humann Bellin, J.; Donkoh, F. 1998: Economic pathways and estimated cost of a sedentary agriculture programme: soil fertility management and the cost of credit programmes. Soil fertility management in West African land use systems Proceedings of the Regional Workshop, University of Hohenheim, ICRISAT Sahelian Centre and INRAN, Niamey, Niger, 4-8 March 1997: 445-449

Carvalho, D.F. de; Pruski, F.F.; Caixeta, T.J. 1998: Economic performance of beans cultivated under adequate and deficient irrigation. Revista Ceres 45(257): 5-11

Williamson, T.S.mson, R.K.rber, D. 1999: Economic performance of forest-reliant census subdivisions between 1981 and 1991. Forestry chronicle 75(1): 93-109

Reddy, B.G.M.; Patil, D.R.; Kulkarni, N.G.; Patil, S.G. 1998: Economic performance of selected ber varieties. Karnataka Journal of Agricultural Sciences 11(2): 538-539

Nagaraj, N.; Sethurao, M.K. 1996: Economic performance of sericulturists in Karnataka. Karnataka Journal of Agricultural Sciences 9(3): 508-515

North, D.C. 1998: Economic performance through time. International agricultural development (Ed.3): 78-89

Sullivan, G.H. 1997: Economic performance, trade, and competitive position in the North American tomato processing industry. Proceedings of the 1st International conference on the processing tomato, Recife, Pernambuco, Brazil, 18-21 November 1996, and the 1st International symposium on tropical tomato diseases, Recife, Pernambuco, Brazil, 21-22 November 1996: 10-14

Shively, G.E. 1998: Economic policies and the environment: the case of tree planting on low-income farms in the Philippines. Environment and Development Economics 3(1): 83-104

Speece, M. 1997: Economic policy and desertification in arid and semi-arid developing countries. Pakistan Development Review 36(2): 191-201

Gafar, J. 1998: Economic policy and growth: agricultural performance and the rice industry of Guyana. Canadian Journal of Development Studies 19(1): 153-174

Stefano, F. de 1997: Economic policy and the transformation of the agricultural landscape. Rivista di Politica Agraria, Rassegna della Agricoltura Italiana 15(5): 5-17

Flichman, G.; Jourdain, D. 1998: Economic policy and water pollution. Economics of agro chemicals: an international overview of use patterns, technical and institutional determinants, policies and perspectives Selected papers of the symposium of the International Association of Agricultural Economists held at Wageningen, the Netherlands, 24-28 April 1996: 283-294

Kuyvenhoven, A.; Heerink, N.; Ruben, R. 1999: Economic policy in support of soil fertility: which interventions after structural adjustment?. Nutrient disequilibria in agroecosystems: concepts and case studies: 119-140

Tisdell, C. 1998: Economic policy instruments and environmental sustainability: another look at environmental-use permits. Sustainable Development Bradford 6(1): 18-22

Simic, J.; Sagovnovic, A.; Stevanovic, S. 1999: Economic possibility of adaptation of animal production for linking and harmonization to agriculture in United Europe. Journal of Agricultural Sciences, Belgrade 44(1): 99-106

Sharma, J.R.; Ashok Sharma; Singh, A.K.; Sushil Kumar 1996: Economic potential and improved varieties of aromatic plants of India. Journal of Medicinal and Aromatic Plant Sciences 18(3): 512-522

Vilcek, J. 1998: Economic potential of soils in the soil-ecological sub-zones of Slovakia. Zemedelska Ekonomika 44(11): 501-506

Purata, S.E.; Greenberg, R.; Barrientos, V.; Lopez Portillo, J. 1999: Economic potential of the huizache, Acacia pennatula (Mimosoideae) in Central Veracruz, Mexico. Economic Botany 53(1): 15-29

Petit, P.J.; Meyer, J.P. 1998: Economic potential of vertical ground-source heat pumps compared to air-source air conditioners in South Africa. Energy Oxford 23(2): 137-143

Govindrasu, R.; Natarajan, M.; Subramanian, M.; Ramamoorthi, N. 1998: Economic potentialities of mutants and recombinants developed through irradiation of varieties and hybrids in sesame. Journal of Nuclear Agriculture and Biology 27(4): 270-272

Burykin, A.I.; Vetrov, A.M.; Pankratov, N.V.; Egorov, V.D.; Samsonov, V.N. 1999: Economic prerequisites for the modernization of drying equipment. Molochnaya Promyshlennost' 4: 31-33

Hiemstra, S.J. 1998: Economic pricing strategies for hotels. Economic and management methods for tourism and hospitality research: 215-232

Shumeyko, A.; Provorna, L.; Shumeyko, O. 1997: Economic principles of formation of the food market. Visnik Agrarnoi Nauki 3: 62-66

Smitka, Z. 1997: Economic problems in pig farming from the point of view of controlling some parasitoses. Veterinarstvi 47(10): 424-425

Dimova, R. 1998: Economic problems of meat production from beef-type cows. Zhivotnov"dni Nauki 35(2): 126-128

Zibrik, N. 1997: Economic problems of potato production in Slovenia. Sodobno Kmetijstvo 30(2): 84-87

George, M.; Manivachakam, P. 1996: Economic production of Casuarina equisetifolia in agroforestry. Recent casuarina research and development Proceedings of the Third International Casuarina Workshop, Da Nang, Vietnam, 4-7 March 1996: 226-228

Ra, S.W.; Yoon, W.M.; Lee, K.W.; Kim, C.Y.; Woo, I.S.; Moon, C.S. 1998: Economic profitability by cropping system and possibility of year-round production in chief producing regions of strawberry. RDA Journal of Horticulture Science 40(2 Part 1): 78-83

Geven, C.G.M.; Bos, A. 1998: Economic prospects for organic farming of field vegetables. PAV Bulletin Vollegrondsgroenteteelt (August): 3-5

Boatto, V. 1997: Economic prospects for soyabean production. Informatore Agrario 53(8): 39-43

Balraj Singh; Vijai Singh; Singh, R.P.; Srivastava, B.K. 1998: Economic prospects of vegetable intercropping in young eucalypts plantation. Annals of Agricultural Research 19(4): 470-474

Shuklina, E.N. 1998: Economic psychology peculiarities of private farmers. Agrarnaya Nauka 2: 11-12

Lakatos, L. 1997: Economic questions of the Hungarian red pepper sector. Gazdalkodas 41(6): 87-90

Shousha, F.; Pautsch, G. 1997: Economic reform and aggregate cropping patterns for Egypt. Agricultural economics: the journal of the International Association of Agricultural Economists 17(2-3): 265-275

Ogachi, O. 1999: Economic reform, political liberalization and economic ethnic conflict in Kenya. Africa Development 24(1/2): 83-107

Tambunan, M. 1998: Economic reforms and agricultural development in Indonesia. ASEAN Economic Bulletin 15(1): 47-58

Rahman, A.A.A. 1998: Economic reforms and agricultural development in Malaysia. ASEAN Economic Bulletin 15(1): 59-76

Thein, M.; Soe, M.M. 1998: Economic reforms and agricultural development in Myanmar. ASEAN Economic Bulletin 15(1): 13-29

Yao ShuJie; Liu JiRui 1998: Economic reforms and regional segmentation in rural China. Regional Studies 32(8): 735-746

Thamarajakshi, R. 1997: Economic reforms and state intervention in foodgrain markets. Economic and Political Weekly 32(30): 1894-1900

Roy, T. 1998: Economic reforms and textile industry in India. Economic and Political Weekly 33(32): 2173-2182

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Desai, B.M.; Souza, E. d' 1999: Economic reforms, terms of trade, aggregate supply and private investment in agriculture. Economic and Political Weekly 34(20): 1220-1224

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El' diev, M.D. 1998: Economic regulation of food supply in a region. Ekonomika Sel' skokhozyaistvennykh i Pererabatyvayushchikh Predpriyatii 11: 9-13

Nazarenko, N.T.; Gorlanov, S.A.; Popov, Y.Y. 1998: Economic regulation of land relationships. Ekonomika Sel' skokhozyaistvennykh i Pererabatyvayushchikh Predpriyatii 8: 13-17

Kovalenko, N.Ya 1997: Economic regulation of market relationships in agriculture. Ekonomika Sel' skokhozyaistvennykh i Pererabatyvayushchikh Predpriyatii 5: 22-23

Mohd Shahwahid Othman; Awang Noor, A.G. 1999: Economic rent capture from rattan extraction in Malaysia. Journal of Tropical Forest Products 5(1): 17-31

Mohd Shahwahid, H.O.; Awang Noor, A.G. 1998: Economic rent from hardwood timber extraction in the west coast of Peninsular Malaysia. Malaysian Journal of Agricultural Economics 12: 1-15

Debniewski, G.; Nowak, A.; Suchta, J. 1997: Economic rent in forestry versus forest land appraisal. Acta Academiae Agriculturae ac Technicae Olstenensis, Geodaesia et Ruris Regulatio 27: 65-75

Nabradi, A.; Javor, A.; Kukovics, S. 1998: Economic reserves of Hungarian sheep breeding. REU Technical Series 50: 317-323

Vidal, M.R.; Ferrando, F.A. 1997: Economic response of the cow-calf system under variations in livestock sale prices and changes in reproductive efficiency. Agro Sur 25(1): 81-93

Keown, J.F.; Montaldo, H.; Vleck, L.D. van; Tassell, C.P. van 1998: Economic responses and risk from use of selected Holstein sires in Italy, Mexico, the Netherlands and USA. Proceedings of the 6th World Congress on Genetics Applied to Livestock Production, Armidale, NSW, Australia, 11-16 January, 1998 Volume 23: Opening: plenary; technology; transfer; beef cattle; dairy cattle; pigs: 327-330

Mclaughlin, D.; Gardner, E.; Lichter, D. 1999: Economic restructuring and changing prevalence of female-headed families in America. Rural sociology 64(3): 394-416

Higgins, V. 1999: Economic restructuring and neo-liberalism in Australian rural adjustment policy. Restructuring global and regional agricultures: transformations in Australasian agri food economies and spaces: 131-143

Nelson, M.K. 1999: Economic restructuring, gender, and informal work: a case study of a rural county. Rural Sociology 64(1): 18-43

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Strelecek, F.; Kopta, D. 1998: Economic results of agricultural enterprises in marginal and productive areas. Zemedelska Ekonomika 44(11): 481-493

Klacko, S. 1997: Economic results of forest management in different forest categories. Acta Facultatis Forestalis Zvolen 39: 257-270

Laiopoulou, N.; Koutsos, T.V. 1999: Economic results of the Greek tomato processing industries, classified according to form: private - cooperative. Acta Horticulturae 487: 461-464

Laiopoulou, N. 1998: Economic results of the Greek tomato processing industries, classified according to their size. Medit 9(3): 60-64

Watkins, K.B.; Lu, Y.C.; Huang, W.Y. 1999: Economic returns and environmental impacts of variable rate nitrogen fertilizer and water applications. Proceedings of the Fourth International Conference on Precision Agriculture, St Paul, Minnesota, USA, 19-22 July 1998 Part A and Part B: 1667-1679

Bosch, D.; Zhu, M.K.rnegay, E. 1997: Economic returns from reducing poultry litter phosphorus with microbial phytase. Journal of agricultural and applied economics 29(2): 255-266

Ramesh Singh; Shukla, B.D. 1999: Economic returns in storage of gram at farm level. Annals of Biology Ludhiana 15(1): 97-101

Ayele, G.; Heidhues, F. 1999: Economic returns of vertisol innovation: an empirical analysis of smallholders mixed farming in the highlands of Ethiopia. Tropenlandwirt 100(1): 69-81

Zuppiroli, M.; Mancini, M.C. 1999: Economic scenarios for the future of maize. Informatore Agrario 55(8): 41-44

Woos, A.; Leopold, M. 1997: Economic significance of angling for freshwater fisheries. Archiwum Rybactwa Polskiego 5(2): 291-303

Dwyer, L.; Forsyth, P. 1998: Economic significance of cruise tourism. Annals of Tourism Research 25(2): 393-415

Petrovic, S.M.; Zornic, B.O. 1997: Economic significance, trends and problems in potato production in highlands of Central Serbia. Acta Horticulturae 462: 413-419

Sobotkova, V. 1998: Economic situation of state, community, and private forests in 1997. Lesnicka Prace 77(7): 252-253, 280