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Biology, Geography & Health: Chapter 2079


Chapter 2079 provides bibliographic information on scholary research in the basic and applied life, earth and health sciences.


Ricklefs, R. E., 1990: Ecology

Maksimova, A. P., 1991: Ecology and biology of Eurycestus avoceti (Cestoda: Dilepididae)

Takimoto, M.; Asayama, T.; Isogawa, Y.; Nakagome, T.; Katou, S.; Uebayashi, Y., 1989: Ecology and chemical control of Paromius exiguus Distant (Heteroptera: Lygaeidae)

Emmel, T. C.; Garraway, E., 1990: Ecology and conservation biology of the Homerus swallowtail in Jamaica (Lepidoptera: Papilionidae)

Perera, G.; Yong, M.; Ferrer, J. R., 1989: Ecology and control of Biomphalaria peregrina in Cuba


Smith, S. D., 1987: Ecology and control of eastern redcedar (Juniperus virginiana L.)

Howard F.W., 1991: Ecology and control of hemipterous pests of cultivated palms

Fujita, Y., 1990: Ecology and control of purple seed stain of soybean caused by Cercospora kikuchii

Izrael, Yu A., 1991: Ecology and control of the natural environment

Naba, K.; Yamaguchi, T.; Nakazawa, K.; Umeda, K.; Noda, Y.; Iwasa, I., 1989: Ecology and control of the rice water weevil, Lissorhoptrus oryzophilus Kushel, in Hiroshima Prefecture. 1. Seasonal occurrence and analysis of damage in paddy fields

Naba, K.; Yamaguchi, T.; Hosotani, K.; Nakazawa, K.; Umeda, K., 1989: Ecology and control of the rice water weevil, Lissorhoptrus oryzophilus Kushel, in Hiroshima Prefecture. 2. Emigration of post-hibernating adults into paddy fields and their egg deposition

Naba, K.; Yamaguchi, T.; Nakawa, K.; Umeda, K.; Hosotani, K.; Iwasa, I.; Tanabe, S., 1989: Ecology and control of the rice water weevil, Lissorhoptrus oryzophilus Kushel, in Hiroshima prefecture. 3. Insecticidal control methods by cropping season and cropping pattern of rice plants

Kamikado, T., 1991: Ecology and control of the sweetpotato vine borer, Omphisa anastomosalis Guenee. IV Seasonal emergence of overwintering larvae and oviposition habit

Anonymous, 1992: Ecology and decline of red spruce in the eastern United States

Taylor, O. R, Jr, 1988: Ecology and economic impact of African and Africanized honey bees

Foley R.A.; Lee P.C., 1991: Ecology and energetics of encephalization in hominid evolution

MacFarlane, T. W., 1990: Ecology and epidemiology of Candida

Tebeest D.O., 1991: Ecology and epidemiology of fungal plant pathogens studied as biological control agents of weeds

Pino, L. A.; Morales, G., 1987: Ecology and epidemiology of the Haemonchinae parasites of cattle in Zulia State, Venezuela

Young, T. P.; Augspurger, C. K., 1991: Ecology and evolution of long-lived semelparous plants

Holtmeier, F. K., 1989: Ecology and geography of the upper forest limit

Anonymous, 1990: Ecology and importance of ants in forest ecosystems. Proceedings of the International Symposium of IUSSI (opuszna n. Towy Targ, 11-16 September, 1989) and other papers

Knauer, N., 1989: Ecology and land diversion

Eden, M. J., 1990: Ecology and land management in Amazonia

Anonymous, 1991: Ecology and management of Chromolaena odorata: proceedings of the second international workshop on biological control of Chromolaena odorata

Harper, D. M.; Mavuti, K. M.; Muchiri, S. M., 1990: Ecology and management of Lake Naivasha, Kenya, in relation to climatic change, alien species' introductions, and agricultural development

Axtell R.C.; Arends J.J., 1990: Ecology and management of arthropod pests of poultry

Buckley, G P. ., 1992: Ecology and management of coppice woodlands

Gorham, J.; Richard ., 1991: Ecology and management of food-industry pests

Ramakrishnan, P. S.; Maikhuri, R. K., 1988: Ecology and management of jhum cultivation in the Himalayas

Potter D.A.; Braman S.K., 1991: Ecology and management of turfgrass insects

Jaudzims, A., 1988: Ecology and marketing

Krivosheina, M. G.; Ozerov, A. L., 1989: Ecology and morphology of Athyroglossa glabra Meigen (Diptera, Ephydridae), inhabitants of carcasses of vertebrates

Ivanov, U. N.; Starchevus, V. K., 1991: Ecology and motorization in maritime resort areas

Mel'nikov N.N., 1989: Ecology and pesticides

Anonymous, 1989: Ecology and politics: environmental stress and security in Africa

Alvares Lemus, J. A.; Berovides Alvarez, V., 1989: Ecology and polymorphism in Liguus fasciatus (Mollusca; Pulmonata) of Cayo Romano (Cuba)

May R.M., 1990: Ecology and population biology

Lee, G. H.; Kim, D. H.; Park, J. H.; So, J. D., 1991: Ecology and prey consumption of the predacious thrips, Scolothrips sp

Kwasna, H.; Chekowski, J., 1991: Ecology and taxonomy of Fusarium species in Poland

Lovisolo, O., 1992: Ecology and taxonomy of some European potyviruses

Schonenberger, W.; Frey, W.; Leuenberger, F., 1990: Ecology and techniques of afforestation in the mountains. Practical recommendations

Sarkozy, P., 1990: Ecology and the economy from an agrarian point of view

Glodek, P., 1990: Ecology and the economy in animal breeding from the standpoint of the breeder

Vandana Shiva, 1991: Ecology and the politics of survival: conflicts over natural resources in India

Farrell, B. H.; Runyan, D., 1991: Ecology and tourism

Anonymous, 1990: Ecology and vegetation of Indian desert

Meson Garcia, M. L., 1987: Ecology and vegetation of the riparian forest (ecological gradient of the Jarama River)

Sarkozy, P., 1990: Ecology and/or economy?

Anonymous, 1990: Ecology for tomorrow: proceedings of an International Symposium held at Shiga, Japan, November 2-4, 1989

Jonckheere, J. F. de, 1991: Ecology of Acanthamoeba

Zaim, M.; Manouchehri, A. V.; Motabar, M.; Mowlaii, G.; Kayedi, M. H.; Pakdad, P.; Nazari, M., 1992: Ecology of Anopheles pulcherrimus in Baluchistan, Iran

Anonymous, 1988: Ecology of Australia's wet tropics. Proceedings of a symposium held at the University of Queensland, Brisbane, August 25-27, 1986

Pichard, S.; Massoud, Z.; Elkaim, B., 1989: Ecology of Collembola populations of some ponds and pond shores in the Paris region

Kwon Chung, K. J.; Varma, A.; Howard, D. H., 1990: Ecology of Cryptococcus neoformans and prevalence of its two varieties in AIDS and non-AIDS associated cryptococcosis

Sihag, R. C., 1991: Ecology of European honeybee (Apis mellifera L.) in semi-arid sub-tropical climates. 2. Seasonal incidence of diseases, pests, predators and enemies

Sihag, R. C., 1990: Ecology of European honeybee Apis mellifera L. in semi-arid subtropical climates. 1. Association with melliferous flora and over seasoning of the colonies

Kaupp, W. J., 1989: Ecology of European pine sawfly, Neodiprion sertifer (Geoff.) nuclear polyhedrosis virus. The development of nuclear polyhedrosis virus epizootics in sawfly populations

Kaupp, W. J., 1989: Ecology of European pine sawfly, Neodiprion sertifer (Geoff.) nuclear polyhedrosis virus. The distribution and accumulation of viral inclusion bodies in forest soils

Madubunyi, L. C., 1990: Ecology of Glossina species inhabiting peridomestic agroecosystems in relation to options for tsetse fly control

Yamazaki, S.; Taketani, A.; Fujita, K.; Vasques, C. P.; Ikeda, T., 1990: Ecology of Hypsipyla grandella and its seasonal changes in population density in Peruvian Amazon forest

Fernandez Velazquez, A., 1990: Ecology of Polymita muscarum (Gastropoda: Fruticicollidae) in the province of Holguin

Sonenshine, D. E., 1990: Ecology of Rocky Mountain spotted fever in Virginia and Maryland

Hall, J. B., 1992: Ecology of a key African multipurpose tree species, Balanties aegyptiaca (Balanitaceae): the state-of-knowledge

Emberton K.C., 1991: Ecology of a shell convergence between subfamilies of polygyrid land snails

Nout, Mjr, 1991: Ecology of accelerated natural lactic fermentation of sorghum-based infant food formulas

Sastrapradja, S., 1989: Ecology of agroecosystems in relation to natural ecosystems

Anonymous, 1989: Ecology of arable land-perspectives and challenges. Proceedings of an International Symposium, 9-12 June 1987, Swedish Univ. Agric. Sci., Uppsala, Sweden

Zelazny, B.; Alfiler, A. R., 1991: Ecology of baculovirus-infected and healthy adults of Oryctes rhinoceros (Coleoptera: Scarabaeidae) no coconut palms in the Philippines

Adler, P. H., 1987: Ecology of black fly sibling species

Ellison, A. M., 1991: Ecology of case-bearing moths (Lepidoptera: Coleophoridae) in a New England salt marsh

Costa, F. G.; Perez Miles, F.; Gudynas, E.; Prandi, L.; Capocasale, R. M., 1991: Ecology of cryptozoic arachnids, except mites, from Sierra de las Animas (Uruguay). Orders and families

Kahn, F., 1988: Ecology of economically important palms in Peruvian Amazonia

Davidson, W. R.; Kellogg, F. E.; Doster, G. L.; Moore, C. T., 1991: Ecology of helminth parasitism in bobwhites from northern Florida

Hart, B. J.; Whitehead, L., 1990: Ecology of house dust mites in Oxfordshire

Vet L.E.M.; Dicke M., 1992: Ecology of infochemical use by natural enemies in a tritrophic context

Force, D. C., 1990: Ecology of insects in California chaparral

Barnet, Y. M., 1991: Ecology of legume root-nodule bacteria

House, G. J.; Brust, G. E., 1989: Ecology of low-input, no-tillage agroecosystems

Dutta, S. P. S.; Kumar, S.; Kumari, V., 1991: Ecology of macrophytic vegetation in Kunjwani Pond, Jammu

Lester, R. J. G., 1989: Ecology of marine parasites

Anonymous, 1988: Ecology of microarthropods in forest soils

Courtney, S. P.; Kibota, T. T.; Singleton, T. A., 1990: Ecology of mushroom-feeding Drosophilidae

Stenstrom, E., 1990: Ecology of mycorrhizal Pinus sylvestris seedlings - aspects of colonization and growth

Cimpersek, M., 1988: Ecology of natural regeneration in subpannonian beech forests

Areola, O., 1991: Ecology of natural resources in Nigeria

Mittal, N.; Saxena, G.; Mukerji, K. G., 1989: Ecology of nematophagous fungi; distribution in Delhi

Groffman P.M., 1991: Ecology of nitrification and denitrification in soil evaluated at scales relevant to atmospheric chemistry

Bull C.M., 1991: Ecology of parapatric distributions

Rieley, J. O.; Page, S. E., 1990: Ecology of plant communities. A phytosociological account of the British vegetation

Bhat, A. I.; Krishnappa, K., 1991: Ecology of plant parasitic nematodes associated with groundnut in Karnataka

Amaranatha, B. S.; Krishnappa, K., 1990: Ecology of plant parasitic nematodes associated with sunflower in Karnataka

Baitulin, I. O., 1990: Ecology of plant root systems in northern deserts of the Turan lowland

Tsai, W. H.; Chien, C. C.; Hwang, S. C., 1990: Ecology of rice false smut disease and its control

Arata, A. A., 1988: Ecology of rodents associated with ricefields: implications for public health

Jha D.K.; Sharma G.D.; Mishra R.R., 1992: Ecology of soil microflora and mycorrhizal symbionts in degraded forests at two altitudes

Bakhvalov, S. A.; Bakhvalova, V. N., 1990: Ecology of the baculovirus of the nun moth (Ocneria monacha L., Lepidoptera, Lymantriidae). I. Persistence of baculovirus in the forest ecosystem

Mariluis, JC.; Schnack, JA., 1990: Ecology of the blow flies of an eusynanthropic habitat near Buenos Aires (Diptera, Calliphoridae)

van den Berg, MA.; Deacon, VE. de Jager, K., 1990: Ecology of the citrus psylla, Trioza erytreae (Hemiptera: Triozidae). 1. Daily activities and habits of adults

van den Berg, MA.; Deacon, VE. de Jager, K., 1990: Ecology of the citrus psylla, Trioza erytreae (Hemiptera: Triozidae). 2. Egg hatching and moulting

van den Berg, MA.; Deacon, VE.; Thomas, CD., 1991: Ecology of the citrus psylla, Trioza erytreae (Hemiptera: Triozidae). 3. Mating, fertility and oviposition

Anonymous, 1991: Ecology of the citrus psylla, Trioza erytreae (Hemiptera: Triozidae). E. Settling and general behaviour of nymphs

Tyler, G., 1991: Ecology of the genus Mycena in beech (Fagus sylvatica), oak (Quercus robur) and hornbeam (Carpinus betulus) forest of S Sweden

Charyev, O., 1989: Ecology of the intermediate hosts of Fasciola gigantica in irrigated fields in Turkmenia

Balashov, Yu S., 1989: Ecology of the non-parasitic stages of the life-cycle of ixodid ticks

Packham J.R.; Cohn E.V.J., 1990: Ecology of the woodland field layer

Rocha, U. F.; Costa, A. J. da; Ferreira, F. A.; Maciel, R. A., 1985: Ecology of ticks. X. An improvised wet chamber to study the influences of air moisture and host susceptibility on oviposition and embryonation in Boophilus microplus (Canestrini)

Moraes, F. R.; Silva, V. M. S.; Moraes, J. R. E.; Freitas, J. C. M.; Rocha, U. F., 1987: Ecology of ticks. XX - The influence of a sudden fall in temperature, maintained for 5 days, upon embryonation and hatching rates of eggs of Boophilus microplus (Canestrini)

Mills, J. T., 1989: Ecology of toxigenic fungi associated with grains in Manitoba, Canada

Pacioni, G.; Puppi, G., 1988: Ecology of vesicular-arbuscular endophytes in central Italy

Bagyaraj, D. J., 1991: Ecology of vesicular-arbuscular mycorrhizae

Quiroga Madrigal, R. R.; Silvia Contreras, J. de J., 1988: Ecology of weeds in common beans Phaseolus vulgaris L

Rozen, J. G, Jr, 1988: Ecology, behaviour, and mature larva of a new species of the Old World bee genus Camptopoeum (Andrenidae: Panurginae)

Kosir, Z., 1979: Ecology, phytocoenology and forest management in montane areas of Slovenia

Binns, J. A.; Mortimore, M. J., 1989: Ecology, time and development in Kano state

Begon, M.; Harper, J. L.; Townsend, C. R., 1990: Ecology: individuals, populations and communities

Hakanson, L., 1991: Ecometric and Dynamic Modelling - Exemplified by caesium in lakes after Chernobyl

Tada, M., 1991: Econometric analysis of expected price formation

Marchant, R.; Sepulveda, N.; Luchsinger, L. E., 1990: Econometric analysis of the relationship between fresh and canned pineapples and their substitutes on the Chilean market

Briz, J.; Florez, L.; Mili, S., 1991: Econometric analysis of trends in the demand for olive oil in Spain

Smeral, E.; Witt, S. F.; Witt, C. A., 1992: Econometric forecasts: tourism trends to 2000

Anonymous, 1992: Econometric measurement of generic advertising

Roux, Y. le, 1991: Econometric modelling of the French cereals market

Albiac, J.; Garcia, P., 1991: Econometric modelling of the Spanish pig sector

Schrank, W. E.; Roy, N., 1991: Econometric modelling of the world trade in groundfish: proceedings of the NATO Advanced Research Workshop, St. John's, Newfoundland, Canada, August 14-18, 1989

Ansaloni, F.; Buchi, G.; Ciani, A.; Corsi, A.; Rosa, F.; Santucci, F. M.; Tarditi, S.; Valorosi, F., 1991: Economic Development, International Trade and the Rural Environment. Comments on the 21st International Conference of Agricultural Economists

Banzhoff, U.; Hennig, H. D., 1989: Economic accounting - a precondition for performance evaluation related to quality

Antsukevich, O. N., 1988: Economic accounting and forestry

Fadejewa, E., 1990: Economic accounting and performance contracts in processing enterprises in the agroindustrial sector

Fojtl, J., 1992: Economic accounts for agriculture

Anonymous, 1990: Economic accounts for agriculture 1974-1987

Anonymous, 1991: Economic activity and land use

Dall' Acqua, F. M., 1991: Economic adjustment and nutrition policies: evaluation of a school-lunch programme in Brazil

Cannock, G.; Cuadra, V., 1990: Economic adjustment policies and agricultural production in the selva (forest) region

Curry, S., 1992: Economic adjustment policies and the hotel sector in Jamaica

Repetto, R., 1990: Economic aid and the environment

Sarasutha, I. G. P., 1991: Economic analysis and identification of the constraints on cassava farming at Mattirowalie, Wajo

Anonymous, 1991: Economic analysis of agroforestry technologies: an annotated bibliography

Ward, Ce; Dowdy, Ak; Berberet, Rc; Stritzke, Jf, 1990: Economic analysis of alfalfa integrated management practices

Safley, C. D.; Safley, L. M, Jr, 1991: Economic analysis of alternative poultry litter compost systems

Calegar, G. M., 1990: Economic analysis of an experiment of synthesis

Agbayani R.F.; Lopez N.A.; Tumaliuan R.E.; Berjamin G.D., 1991: Economic analysis of an integrated milkfish broodstock and hatchery operation as a public enterprise

Usami, Y., 1989: Economic analysis of betel vine cultivation

Timmons, M. B.; Bottcher, R. W.; Scheideler, S. E., 1990: Economic analysis of broiler housing options for heat stress relief

Kaushik, S. N.; Gangwar, A. C.; Kaushik, C. R., 1991: Economic analysis of bullock and camel power use on farms in Haryana

Ruitenbeek, H. J., 1990: Economic analysis of conservation initiatives: examples from West Africa

Lacewell, R. D.; Masud, S. M., 1989: Economic analysis of cotton IPM programs

Bojo, J., 1991: Economic analysis of environmental impacts

Belgaumi, I. M.; Patil, V. S., 1989: Economic analysis of farm pond technology in black soils of dryland areas

Pena de Ladaga, B. S., 1989: Economic analysis of fertilizer application to maize using simple methodologies

Saha, S. K.; Giri, A. K., 1990: Economic analysis of financing share-croppers

Ameriana, M.; Kusumo, S., 1987: Economic analysis of growing tomatoes in the rainy season

Singh, R. A.; Rajpali, S. K.; Sharma, R. K., 1990: Economic analysis of input variables in wheat

Angiras, N. N.; Singh, C. M., 1989: Economic analysis of integrated weed management in maize

Howitt, R. E.; Wallender, W. W.; Weaver, T. F., 1990: Economic analysis of irrigation technology selection: the effect of declining performance and management

Sekar, C.; Pillai, O. A. A.; Randhir, O. T.; Kumaravelu, G., 1990: Economic analysis of kapok under agro-forestry conditions of Tamil Nadu

Masud, S. M.; Lacewell, R. D.; Hyatt, D. T., 1990: Economic analysis of kenaf production for poultry litter in the U.S

Berry, C. G.; Ortmann, G. F., 1990: Economic analysis of maize yield responses to fertilizer and rainfall applications at Dundee

Kennedy, G.; Ram, P. R.; Naidu, M. R.; Nivasulu, R. S., 1990: Economic analysis of major pulses in Guntur District, Andhra Pradesh

Johnsen, F. H., 1990: Economic analysis of measures to counteract phosphorus runoff from nonpoint agricultural sources

Vanorle, L., 1990: Economic analysis of mechanization in large scale farming

Magrath, W. B., 1990: Economic analysis of off-farm soil conservation structures

Amaral, A. M. P.; Neves, E. M., 1990: Economic analysis of post-larval production of fresh-water prawn (Macrobrachium rosenbergii)

Singh, R. A.; Singh, R. P.; Singh, J. N.; Singh, A. K., 1991: Economic analysis of potato cultivation in the eastern Uttar Pradesh

Windham, T. E., 1989: Economic analysis of representative row-crop and cat-fish farms in the Delta area of Mississippi: a whole-farm simulation approach

Radha, Y.; Ram, P. R.; Seetharaman, S., 1989: Economic analysis of rice (HYV) based farming systems

Prescott, N., 1989: Economic analysis of schistosomiasis control projects

Lagueux, C. J., 1991: Economic analysis of sea turtle eggs in a coastal community on the Pacific coast of Honduras

Ettling, M. B.; Thimasarn, K.; Shepard, D. S.; Krachaiklin, S., 1991: Economic analysis of several types of malaria clinics in Thailand

Magrath, W. B., 1990: Economic analysis of soil conservation technologies

Schoney, R. A.; Culver, D., 1991: Economic analysis of sustainable production systems for Saskatchewan

Blanchet, J.; Hautcolas, J. C.; Sourie, J. C., 1991: Economic analysis of the advantage of taking farmland out of production, using the example of two wheat growing areas of different intensity - January 1990

Kleinhanss, W.; Heins, G., 1991: Economic analysis of the competitive position of the production and utilization of plant oils and fats as renewable raw materials

Al Battal, H. S.; Khalifa, A. Y., 1991: Economic analysis of the cost function of barley agricultural products in Al-Gassim area, Saudi Arabia

Maddaloni, J.; Josifovich, J. A.; Actis, J. J., 1991: Economic analysis of the effects of age and starting weight on the profitability of cattle fattening

Park, P. S.; Chung, H. W.; Hong, C. S., 1990: Economic analysis of the mechanized group cultivation of barley in a demonstration project area

Bublot, G.; Tychon, P.; Vandercam, F.; Georges, B., 1989: Economic analysis of the milk sector in the Walloon region

Cotterill, R. W.; Pinkerton, D. C.; Haller, L. E., 1990: Economic analysis of the proposed Dairy Income Enhancement Program

Gattermayer, F., 1991: Economic analysis of tomato production in plastic tunnels

Vagsholm, I.; Nesse, L. L.; Gudding, R., 1991: Economic analysis of vaccination applied to ovine listeriosis

Berentsen, P. B. M.; Dijkhuizen, A. A.; Oskam, A. J., 1991: Economic analysis of veterinary regulations in partly integrated markets: the case of foot and mouth disease

He, Y.; He, Y. S.; Zhuge, G. Z.; Chen, B. J., 1992: Economic analysis on the adaptability of the major grain post-production patterns in South China

Iqbal, R. M. S.; Chaudhry, M. B.; Aslam, M.; Bandesha, A. A., 1991: Economic and agricultural impact of mutation breeding in cotton in Pakistan. A review

Spiegel Roy, P., 1990: Economic and agricultural impact of mutation breeding in fruit trees

Udachin, R. A.; Potokina, S. A.; Borodina, R. A.; Shakhmedov, I. Sh, 1990: Economic and biological features of awned and awnless isolines of wheat in central Asia

Soldatov, A. P.; Chertanova, G. A.; Ertuev, M. M., 1991: Economic and biological traits of Black Pied and Holstein X Black Pied cows

Niehorster, K., 1990: Economic and ecological advantages? The production of energy from plant biomass

Hu, Y. M.; Wang, F. Q., 1990: Economic and ecological benefits of intercropping edible fungi with mulberry in fields

Schreckenberg, K.; Hadley, M., 1991: Economic and ecological sustainability of tropical rain forest management

Krninska, R., 1989: Economic and energetic evaluation of machines for maintenance of amelioration canals and small water flows

Sharma, R. S.; Thakur, C. L., 1989: Economic and energy factors in soybean cultivation

Masud, S. M.; Lacewell, R. D., 1991: Economic and energy use implications of limited tillage and improved irrigation systems: Texas High Plains

Johnson, S. H, I I. I.; Patamatamkul, S., 1990: Economic and engineering considerations for planning medium scale irrigation systems: a study from Northeast Thailand

Heissenhuber, A.; Ring, H., 1992: Economic and environment related aspects of ecological farming

Pinheiro, S. L. G.; Cortina, N.; Nadal, R. de, 1990: Economic and financial analysis of some farms typical of the western region of Santa Catarina

Server Izquierdo, R.; Segura, B., 1990: Economic and financial situation of the organization of fruit and vegetable producer in the Valencia Community

Anonymous, 1989: Economic and forest policy aspects of farm forestry. Proceedings of the IUFRO Group P3.04-00 'Small-scale Forestry' meeting, Freiburg, 30 August-2 September 1988

Owens, E. W., 1989: Economic and health consequences of undernutrition

Sheales, T.; Malarz, A., 1992: Economic and institutional change and Poland's wool textile industry

Fronek, P., 1991: Economic and mathematical research applications to the new agricultural conditions

Anonymous, 1991: Economic and medicinal plant research, Volume 5

Anonymous, 1990: Economic and medicinal plant research. Volume 4. Plants and traditional medicine

Hristov, T., 1990: Economic and organizational conditions of machinery maintenance in animal breeding

Desmarchelier J.A., 1991: Economic and political aspects of sugar from an international perspective

Macpherson, C., 1992: Economic and political restructuring and the sustainability of migrant remittances: the case of Western Samoa

Babkova, N. M.; Kot, M. M., 1992: Economic and production traits in cows of different grades from crossing the Black Pied and Holstein breeds

Irastorza Enrich, J. M.; Hernandez Diaz, H.; Hernandez Grunenburger, L.; Garcia Rodriguez, R.; Courtois Ruiz, R.; Lopez Villalobos, J. A.; Ocampo Salgado, M. A.; Ortega Polo, J.; Rosiles Martinez, R., 1992: Economic and productivity improvements through using an extra-absorbent polymer support for mass-rearing of screwworm larvae (Cochliomyia hominivorax)

Ahrends, K.; Kranhold, H., 1990: Economic and social aspects of non-agricultural production in collective and state farms

Bliss, F., 1989: Economic and social change in Egypt's 'New Valley': the effects of Egyptian regional development policy on the oases of the Western Desert

Wolz, A., 1989: Economic and social development in Thailand and their influence on peasant society

Anonymous, 1990: Economic and social survey of Asia and the Pacific 1990

Deshpande, S. L.; Autkar, V. N.; Rakhonde, B. M., 1990: Economic and technical performance of monopoly cotton procurement in Maharashtra

Dentchev, R. G.; Bashev, H. Y., 1992: Economic and technical problems of innovation in greenhouse flower production in Bulgaria

Kofer, J.; Dijkhuizen, A. A., 1990: Economic and veterinary evaluation of replacement sows. 2. Calculations of piglet production using the PorkCHOP computer programme

Bowerman P., 1990: Economic appraisal for spraying winter field beans

Joshi, B. R.; Vyas, D. L.; Vyas, K. K., 1991: Economic appraisal of dairy cooperative union in arid region of Rajasthan

Ahuja, U. R.; Rawat, B. S.; Kalla, J. C., 1991: Economic appraisal of milk plants of Haryana and Rajasthan dairy cooperative federations

Eichhorn, H.; Gruber, W.; Griebel, J., 1991: Economic appraisal of soil tillage and cultivation methods

Rodero Serrano, E.; Camacho Vallejo, M. E.; Delgado Bermejo, J. V.; Rodero Franganillo, A., 1992: Economic aspects in the conservation of indigenous breeds in Andalusia

Dass, S. R., 1991: Economic aspects of India's international trade in coffee

Marinelli, A.; Casini, L., 1989: Economic aspects of Turkey oak in Italy

Bach, H. J. S. von, 1992: Economic aspects of advertising in agriculture: a review

Hillman, J. S., 1991: Economic aspects of agricultural irrigation and irrigation research in the USA

Goldschmidt, P. S., 1990: Economic aspects of alcohol consumption in Australia: Part 1; Part 2

Auld B.A., 1991: Economic aspects of biological weed control with plant pathogens

Il' ina, Z., 1992: Economic aspects of developing the food market in Belarus

Kurtz, Wb; Garrett, He, 1990: Economic aspects of eastern black walnut management

Urquidi, V. L., 1992: Economic aspects of environmental protection

Losos, S.; Podebradsky, Z., 1991: Economic aspects of fallow and red deer farming

Pirriger, H., 1989: Economic aspects of fallow deer farming

Duplan J.M., 1990: Economic aspects of genetic improvement

Rocha, M. B.; Barbosa, M. Z., 1990: Economic aspects of groundnut production

Hoffmann, H.; Baumann, H., 1990: Economic aspects of growing grain legumes in France

Pahl, H., 1989: Economic aspects of growing grain legumes under various different background conditions

Peterova, J., 1991: Economic aspects of harvesting, storing and processing high-cut sugarbeet

Bolkestein, B.; Janssens, C.; Maeyer, E. A. A. de, 1991: Economic aspects of hemp harvesting

Goedegebure, J., 1991: Economic aspects of high density orchards

Laszlo, L., 1990: Economic aspects of improving fodder utilization in grain fodder consuming enterprises

Kvapilik, J.; Netopil, J., 1991: Economic aspects of milk production in large capacity barns

Ondruch, Z., 1991: Economic aspects of nitrogen fertilizers in winter barley

Bartelheimer, P., 1991: Economic aspects of oak forestry

Botha, P. J.; Zyl, J. van, 1992: Economic aspects of optimum replacement of seedling tea by higher yielding clonal varieties

Heissenhuber, A.; Ring, H., 1992: Economic aspects of organic farming

Bek Nielsen, B., 1990: Economic aspects of palm oil production and marketing

Baylis, A. D., 1990: Economic aspects of plant growth regulators

Keane, M., 1991: Economic aspects of product inventories in the dairy industry

Pfingster, H., 1989: Economic aspects of quality directed beef and lamb production with selective crossbreeds

Shah, S. N. H.; Dijkhuizen, A. A.; Willemse, A. H.; Wiel, D. F. M. van de, 1991: Economic aspects of reproductive failure in dairy buffaloes of Pakistan

Bokermann, R., 1991: Economic aspects of rural cheese production

Hoffmann, H.; Steinhauser, H., 1991: Economic aspects of sunflower cultivation in Germany

Berger, G., 1991: Economic aspects of teat amputation in cows

Uhlmann, F., 1989: Economic aspects of the expansion of grain legume production in the EC

Ortmaier, E., 1990: Economic aspects of the production of oilseeds taking account of relevant environmental factors

Langbehn, C.; Raue, F., 1991: Economic aspects of the production of quality beef from the point of view of the breeder

Raue, F., 1991: Economic aspects of the production of quality beef from the point of view of the breeder. 2. Steers, heifers or bulls?

Raue, F., 1991: Economic aspects of the production of quality beef from the point of view of the breeder. Purebred or crossbred bulls?

Morkramer, G.; Itty, P.; Defly, A., 1988: Economic aspects of the production of recently introduced trypanotolerant cattle exposed to trypanosomiasis in the Agou Sous-Prefecture, Togo

Manvelyan, R. A., 1989: Economic aspects of the use of skim milk for the manufacture of fast-ripening cheeses

Carvalho, M. L. S.; Ventura, M. R.; Dordio, V., 1990: Economic aspects of wine production and marketing in Portugal

Christie, A. J., 1988: Economic aspects on the regional fisheries

Petersen, B., 1990: Economic assessment of agricultural refineries - processing and industrial price structure

Christensen, J.; Andreasen, L., 1990: Economic assessment of agricultural refineries, farmers' benefits and the costs of harvest and transport

Jarosch, J.; Schwittek, U., 1991: Economic assessment of the effect of re-introducing elements to structure the landscape (hedges) into farmed landscapes

Rodriguez Iglesias, R. M., 1990: Economic assessment of the expected breeding value of elite crossbred and flockbook rams

Mansour, M.; Sultan, M., 1991: Economic assessment of the long-term effects of the soil heating technology in Beni Suef governorate

Rawat, J. K., 1989: Economic behaviour of a wood producing firm

Marsh, J. S., 1991: Economic benefits and the public good

Mkunga, M. J.; Gillis, R. J., 1990: Economic benefits derived from herbicide use in wheat in Tanzania's Hanang Plateau

Waithe, D., 1991: Economic benefits of fumigants used in controlling insect pests in stored food

Gilreath, M. E.; Funderburk, J. E.; Gorbet, D. W.; Zimet, D. J.; Lynch, R. E.; Herzog, D. C., 1989: Economic benefits of selected granular insecticides for control of lesser cornstalk borer in nonirrigated peanut

Sterling, W. L.; Dean, A.; El Salam, N. M. A., 1992: Economic benefits of spider (Araneae) and insect (Hemiptera: Miridae) predators of cotton fleahoppers

Kannaiyan, J.; Haciwa, H. C., 1990: Economic benefits of spraying fungicides to control groundnut foliar disease in Zambia

Soos, S.; Nemedy, Z., 1991: Economic cereal production technology based on the use of cultivator - seed drill type FLEXI coil - 800/1110

Reid, J. N., 1991: Economic change in the rural U.S.: a search for explanations

Jensen, A. M., 1991: Economic change, marriage relations and fertility in a rural area of Kenya

Hazell, P. B. R. et al., 1991: Economic changes among village households

Kubaili, S., 1990: Economic characters of durum and bread wheats under irrigation in eastern Uzbekistan

Weersink, A.; Walker, M.; Swanton, C.; Shaw, J., 1992: Economic comparison of alternative tillage systems under risk

Walsh, P. A.; Cook, S. J.; Page, J. R., 1990: Economic comparison of band-seeding to other pasture oversowing techniques

Wiesenborn, W. D.; Trumble, J. T.; Oatman, E. R., 1990: Economic comparison of insecticide treatment programs for managing tomato pinworm (Lepidoptera: Gelechiidae) on fall tomatoes

Houben, E. H. P.; Thelosen, J. G. M.; Huirne, R. B. M.; Dijkhuizen, A. A., 1990: Economic comparison of insemination and culling policies in commercial sow herds, assessed by stochastic simulation

Havel, F., 1990: Economic comparisons of methods of whey utilization

McIsaac, G. F.; Siemens, J. C.; Hummel, J. W.; Tyrrell, A. T., 1990: Economic comparisons of six corn and soybean tillage systems, two soybean row spacings on three farm sizes

Memon, M. Y., 1989: Economic competencies needed and possessed by farmers in Hyderabad District, Sind, Pakistan

Elz, D., 1990: Economic competition for land use between social forestry and agriculture

Pachner, H., 1992: Economic competition of marketing in rural areas: theoretical principles and empirical case studies on the variety of marketing forms for agricultural products in south west Germany

Ruiz Maya, L., 1990: Economic concentration of farms in Spain

Villa, W.; Gosener, M.; Deegen, P., 1989: Economic consequences of air pollution effects on State Forest Enterprises

Kiros, F. G., 1991: Economic consequences of drought, crop failure and famine in Ethiopia, 1973-1986

Wentink, G. H.; Dijkhuizen, A. A., 1990: Economic consequences of infection with bovine diarrhoea virus in 14 dairy herds

Oskoui, K. E.; Voorhees, W. B., 1990: Economic consequences of soil compaction

Dicato M.; Freilinger J.; Dondelinger R.F.; Kurdziel J.C., 1990: Economic considerations

Brokken, R. F.; Williams, T. O., 1990: Economic considerations for smallholder cattle milk and meat production and marketing: I. Economic policies, supporting institutions, marketing and demand

Brokken, R. F.; Williams, T. O., 1991: Economic considerations for smallholder cattle milk and meat production and marketing: II production-related aspects

Bhatia, M. S., 1991: Economic constraints in increasing pulses production

Pedersen, L.; Chappelle, D. E., 1990: Economic contribution of the Lake States' forest resources, 1982-1995

Koczi, A., 1989: Economic correlation of feedstuff management to animal husbandry

Ettling, M. B.; Shepard, D. S., 1991: Economic cost of malaria in Rwanda

Crooks, A. C.; Scott, H. S.; Dargatz, D. A.; Hill, G. W., 1992: Economic cost of piglet mortality in the farrowing to weaning phase: a report of the NAHMS' national swine survey

Turvey, C. G.; Weersink, A., 1991: Economic costs of environmental quality constraints

Brabander, D. L. de; Andries, J. I.; Boever, J. L. de; Buysse, F. X., 1990: Economic dairy cow feeding through use of better coarse fodders. (2)

Murdoch, C. L.; Tashiro, H.; Tavares, J. W.; Mitchell, W. C., 1990: Economic damage and host preference of lepidopterous pests of major warm season turfgrasses of Hawaii

Kozlov, A. N.; Vinokurov, V. V.; Sal' nikov, M. I., 1990: Economic damage caused by black rats

Larsson, H., 1988: Economic damage caused by cereal thrips in winter rye in Sweden

Collins, M. T.; Morgan, I. R., 1991: Economic decision analysis model of a paratuberculosis test and cull program

Hussain, A., 1991: Economic deprivation, erosion of the resource base and the imperative for sustainable development in South Asia

Diop, F. P. D., 1991: Economic determinants of child health and the utilization of health services in Sub-Saharan Africa: the case of Ivory Coast

Gao, J. T., 1990: Economic development and environmental protection in semi-arid and badly eroded areas: taking Karaqin Banner, Inner Mongolia as an example

Oustapassidis, K., 1990: Economic development and structure of the agricultural cooperative unions in Greece

Taplin, R., 1989: Economic development and the role of women

Grabowski, R., 1991: Economic development and the traditional sector: a comparison of Japanese and African experience

Keane, M. J., 1990: Economic development capacity amongst small rural communities

Chant, S., 1991: Economic development in Mexico: comparative perspectives on three intermediate cities - Puerto Vallarta, Leon and Queretaro

Lukinov, I., 1991: Economic development of the countryside and current agricultural policy

Unnevehr, L. J.; Khoju, M., 1991: Economic development, income distribution and meat demand

Sharma, R. A.; McGregor, M. J., 1991: Economic discount and wage rates for social forestry projects in India: estimates and problems

White, B., 1991: Economic diversification and agrarian change in rural Java, 1900-1990

Gavrish, N. P.; Il' inskii, V. A., 1990: Economic effect of carrying out accelerated tests of tractor reliability

Prieto, N.; Dieguez, F. J.; Penalver, G., 1989: Economic effect of slaughtering pigs at three different ages

Kinnucan, H. W.; Venkatesw, 1991: Economic effectiveness of advertising aquacultural products: the case of catfish

Cherkasov, V. A., 1991: Economic effectiveness of biological control in greenhouses

Varyan, K. R., 1989: Economic effectiveness of different regimes of rearing gilts

Arbatowski, S.; Rybczynski, J., 1989: Economic effectiveness of plantations of fast-growing forest trees

Erbolatov, K. M., 1987: Economic effectiveness of prophylactic measures against dictyocauliasis in cattle

Rul' ev, V. A.; Shapovalov, N. I., 1990: Economic effectiveness of sweet cherry cultivation (trials on farms of the Melitopol'skii region)

Meissner, J., 1988: Economic effectiveness of the use of sawdust in particleboard production

Muzyka, V. N.; Martynyuk, N. S., 1989: Economic effectiveness of winter wheat breeding in the USSR

Wehrheim, P., 1991: Economic effects and examples of deficiency payments in the agricultural sector: a literature review

Chang, H. S.; Kinnucan, H., 1991: Economic effects of an advertising excise tax

Kania, S.; Dolny, S., 1989: Economic effects of briquetting wood residues in production lines with piston and rotational presses

Szczawinski, M., 1988: Economic effects of deviation in the magnitude of material reserves from the norm

Herrmann, R., 1990: Economic effects of financial stabilization schemes in the EC's development policy: STABEX, COMPEX and SYSMIN

Anonymous, 1991: Economic effects of generic promotion programs for agricultural exports

Hogsette, J. A.; Prichard, D. L.; Ruff, J. P., 1991: Economic effects of horn fly (Diptera: Muscidae) populations on beef cattle exposed to three pesticide treatment regimes

Pounds, G. L.; Engle, C. R.; Dorman, L. W., 1992: Economic effects of intensification of baitfish production

Andrado, F.; Herruzo, A. C.; Josling, T., 1990: Economic effects of international trade agreements. The Spanish maize sector

Ihori, T., 1990: Economic effects of land taxes in an inflationary economy

Miller, G. Y.; Bartlett, P. C., 1991: Economic effects of mastitis prevention strategies for dairy producers

Neff, S. A.; Josling, T. E., 1991: Economic effects of removing US dairy and sugar import quotas

Alston, J. M.; Mullen, J. D., 1992: Economic effects of research into traded goods: the case of Australian wool

Mcnulty M.S.; Mcilroy S.G.; Bruce D.W.; Todd D., 1991: Economic effects of subclinical chicken anemia agent infection in broiler chickens

Doluschitz, R.; Zeddies, J., 1991: Economic effects of the use of Avoparcin in dairy cattle feeding

Grzywinski, L.; Poznanski, W.; Jasek, S.; Pawinski, J., 1990: Economic effects resulting from the control of external parasites in pigs

Singh, B. P.; Singh, S. P.; Abu Mohammad, 1990: Economic efficacy of different fungicides for the control of leaf spot of cauliflower

Alekhin, S. N.; Radchevskaya, R. F.; Shulika, N. F., 1990: Economic efficacy of fertilizers

Sarkar, A.; McKillop, W., 1991: Economic efficiency and ecological considerations in resource development policies: a case study

Henry, C., 1990: Economic efficiency and ethical requirements: sharing ownership in the environment

Simutapang, P.; Djatiharti, A.; Rusastra, I. W.; Kasryno, F., 1989: Economic efficiency and policy incentives of rice production in Indonesia

Mills, T. J.; Bratten, F. W., 1988: Economic efficiency and risk character of fire management programs, northern Rocky Mountains

Petkov, A., 1990: Economic efficiency as a result of the intensification of maize production

Saryev, D. S., 1990: Economic efficiency of bank protection works in the Turkmen SSR

Ayele, G., 1991: Economic efficiency of cotton production at the Middle Awash state farms of Ethiopia

Singh, R. P.; Chandra, N., 1989: Economic efficiency of farmers growing high yielding and local varieties of paddy in Ranchi district, Bihar (India)

Pekarik, S., 1991: Economic efficiency of grape production on selected Hungarian enterprises

Repka, I., 1991: Economic efficiency of milk production on large farms

Bashev, H., 1990: Economic efficiency of scientific research into wheat breeding

Ali, M., 1991: Economic efficiency of small farmers in a changing world: a survey of recent evidence

Dragoev, P., 1989: Economic efficiency of the factory farming method of breeding suckling piglets without additional feeding

Alosmanov, M. S.; Ramazanova, Z. R.; Ibragimova, S. M.; Zabelshinskii, Yu A.; Narimanova, T. R., 1990: Economic efficiency of the production of superphosphate from spent acids

Rassomakhin, G. K.; Zhelovatykh, Z. M., 1990: Economic efficiency of using a line for removal and transportation of poultry manure

Funar, G.; Blaga, G.; Stefanescu, L.; Gueron, I., 1990: Economic efficiency of utilizing sewage for fertility improvement of anthropic protosols at Capus, Cluj County (II)

Angelova, M., 1989: Economic efficiency of wheat production

Petkov, A.; Souvanjiev, M., 1990: Economic efficiency resulting from the intensification of one year's onion production

Lembke, H. H., 1991: Economic efficiency? Social justice? Political participation? Experience with agricultural cooperatives in the central Euphrates

Criner, Gk; Jacobs, Sl, 1992: Economic engineering of milk processing costs

Salamon, L., 1991: Economic estimation of the adaptability of livestock farming

Bizjak, F., 1991: Economic evaluation and selection of production systems in the wood industry

Carbonell Reyes, M.; Navarro Fierro, R., 1990: Economic evaluation of AI of sows with frozen semen

Jaramillo A, C. J.; Gastaldi S, R.; Alonso P, F.; Vargas L, J., 1991: Economic evaluation of a bovine mastitis control programme in the Laguna dairying area, Mexico, between 1986 and 1988

Dapic, D.; Vucijak, S.; Sakovic, S.; Comic, R., 1976: Economic evaluation of a management system for pine and oak forest in Bosnia and Herzegovina

Shuler M.L.; Steinmeyer D.E.; Togna A.P.; Gordon S.; Cheng P.; Letai S.J., 1991: Economic evaluation of a multicompartment bioreactor for ethanol production using in situ extraction of ethanol

Kebede, Y.; Gunjal, K., 1989: Economic evaluation of a postdrought recovery agricultural project in Ethiopia

Suzuki, M., 1990: Economic evaluation of appropriate agricultural machinery in Indonesia

Botev, N.; Rendakov, Kh, 1988: Economic evaluation of beech stands established at different density

Ruijs, M. N. A.; Os, E. A. van, 1991: Economic evaluation of business systems with a lower degree of environmental pollution

Avendano, J.; Ochoa, L. E., 1990: Economic evaluation of caraota bean production in the Tucutunemo Valley

Araujo, A. C. de; Sacramento, C. K. de; Silva, P. H. da, 1989: Economic evaluation of chemical harvesting of cloves in South-east Bahia

Patil, H. N.; Dalvi, H. I.; Borude, S. G., 1989: Economic evaluation of coconut plantation in Maharashtra

Pevetz, W.; Pirringer, H., 1991: Economic evaluation of farmers' contribution to care of the land. Landscape conservation in the mountain farming area

Sankovich, M. M., 1988: Economic evaluation of forest land and timber resources of forest districts in Brest province

Vasconcellos, C. A.; Santos, H. L.; Alves, V. M. C.; Pitta, G. V. E.; Franca, G. E. de, 1990: Economic evaluation of gypsum for maize, sorghum and soyabean crops on a dystrophic dark red latosol in the cerrado phase

Dadi, L.; Mulugeta, D.; Mekuria, M., 1988: Economic evaluation of herbicide application on maize at Bako, Ethiopia

Nunez-Dominguez, R; Dickerson, Ge; Cundiff, Lv; Gregory, Ke; Koch, Rm, 1992: Economic evaluation of heterosis and culling policies for lifetime productivity in Hereford, Angus, Shorthorn, and crossbred cows

Abdullah Salleh; Teng, W. H.; Chan, K. W., 1990: Economic evaluation of mechanised applications of the empty fruit bunches - Guthrie's experience

Carvalho, F. C. de; Ferreira, C. R. R. P. T.; Tsunechiro, A.; Freitas, S. M. de, 1990: Economic evaluation of post-harvest maize loss in Brazil

Samalieva, A.; Vulchovski, I.; Vitkov, M., 1990: Economic evaluation of some factors of intensification on leached chernozem

Griffith, D.; Lacey, J. R., 1991: Economic evaluation of spotted knapweed control using picloram

Mabawonku, A. F., 1985: Economic evaluation of the Anambra/Imo (ANIMO) rice project in Nigeria

Flori, A.; Triomphe, A., 1990: Economic evaluation of the cost and treatment of pneumocystosis

Essamet, M., 1989: Economic evaluation of the effects of windbreaks

Crabtree, J. R.; Appleton, Z., 1992: Economic evaluation of the farm woodland scheme in Scotland

Axelsson, A.; Zacchi, G., 1990: Economic evaluation of the hydrolysis of lactose using immobilized beta -galactosidase

Monteiro, A.; Luz, E. A. T. da; Santana, J. C. R., 1991: Economic evaluation of the milk production system at Itaju do Colonia Experimental Station, Bahia, from 1984 to 1987

Santos, Z. A. P. de S.; Sallit, F. A. A., 1990: Economic evaluation of the performance of different potato cultivars

Kislova, T. A., 1988: Economic evaluation of the results of forestry production measures

Regev A.; Jaber A.; Spector R.; Yaron D., 1990: Economic evaluation of the transition from a traditional to a modernized irrigation project

Dapic, D.; Vucijak, S.; Sakovic, S., 1976: Economic evaluation of timber production in beech forests and mixed beech/fir /spruce forests

Fairlamb, C. D., 1990: Economic factors affecting human fertility in the developing areas of South Africa: a policy perspective

Fairlamb, Cd; Nieuwoudt, Wl, 1991: Economic factors affecting human fertility in the developing areas of Southern Africa

Alig, R. J.; White, F. C.; Murray, B. C., 1988: Economic factors influencing land use changes in the south-central United States

Agbayani, R. F.; Baliao, D. D.; Samonte, G. P. B.; Tumaliuan, R. E.; Caturao, R. D., 1990: Economic feasibility analysis of the monoculture of mudcrab (Scylla serrata) Forsskal

Workman, Jp; Tanaka, Ja, 1991: Economic feasibility and management considerations in range revegetation

Hardie, I.; Kundt, J.; Miyasaka, E., 1989: Economic feasibility of U.S. paulownia plantations

Chinery D.H.; Rhodus T.; Struve D.K., 1991: Economic feasibility of a shade tree container production system

Prato, T.; Dauten, K., 1991: Economic feasibility of agricultural management practices for reducing sedimentation in a water supply lake

Prato, T., 1990: Economic feasibility of conservation tillage with stochastic yields and erosion rates

Loewer, O. J., 1992: Economic feasibility of crop residue as a drying fuel

Klonsky, K., 1988: Economic feasibility of eucalyptus production

Hugar, L. B.; Murthy, P. S. S.; Umesh, K. B.; Reddy, B. S., 1991: Economic feasibility of guava cultivation under scientific management - an empirical evidence

Murphy, R.; Schupp, A.; Lee, J. G., 1990: Economic feasibility of specialized beef processing in Louisiana

Gonzalez, R.; Luzardo, F. M.; Cardenas, E., 1990: Economic feasibility of using a forest waste product: soplillo bark for tannin production in Cienaga de Zapata

Donzier, J. F., 1989: Economic forecast for vulnerable rural zones

Perez Vilarino, J., 1989: Economic forest policy and organizational strategy

Ghose, A. K., 1990: Economic growth and employment structure: a study of labour outmigration from agriculture in developing countries

Cordell, H. K.; Bergstrom, J. C.; Watson, A. E., 1992: Economic growth and interdependence effects of state park visitation in local and state economies

Holden, S. T., 1992: Economic growth and sustainability: agriculture in sub-Saharan Africa

Beckerman, W., 1992: Economic growth and the environment: whose growth? Whose environment?

Anonymous, 1991: Economic growth isn't everything: UNDP human development report

Dolny, H., 1991: Economic growth, agricultural reform and the alleviation of poverty

Yang, X.; Wang, J.; Wills, I., 1990: Economic growth, commercialization and institutional changes in rural China, 1979-1987

Yang, X.; Wang, J.; Wills, I., 1992: Economic growth, commercialization, and institutional changes in rural China, 1979-1987

Anonymous, 1990: Economic impact of Kentucky's tourism and travel industry, 1988 and 1989

Williams, R. L.; Dietrich, R. A.; Byers, F. M., 1991: Economic impact of alternative growth promotant strategies on the United States beef industry

Bech Nielsen, S.; Miller, G. Y.; Bowman, G. L.; Dodaro, S. J.; Orloski Snider, K. A., 1992: Economic impact of an epizootic of pseudorabies in a commercial swine herd in Ohio, achieving test negative status and quarantine release by use of vaccination and test and removal

Tansel, A., 1991: Economic impact of and demand for tourism: a survey

Venzi, L., 1990: Economic impact of environmental constraints on Italian forestry

Warren, J.; Allen, J.; Cowling, W., 1989: Economic impact of growing Phomopsis-resistant lupins

Seegers, H., 1992: Economic impact of infertility on the dairy enterprise: a discussion

Leistritz, F. L.; Thompson, F.; Leitch, J. A., 1992: Economic impact of leafy spurge (Euphorbia esula) in North Dakota

Wallace, N. M.; Leitch, J. A.; Leistritz, F. L., 1992: Economic impact of leafy spurge on North Dakota wildland

Holt Calderwood, L.; Brown, G., 1990: Economic impact of milk progesterone assays on Vermont and Missouri dairy farms

Bhatia, C. R., 1991: Economic impact of mutant varieties in India

Frohberg, R. C., 1991: Economic impact of plant breeding programs

Zekri, S.; Albisu, L. M.; Aragues, R.; Herrero, J., 1990: Economic impact of soil salinity in the agriculture of Bardenas

Waithe, D., 1991: Economic impact of the Japanese beetle and European chafer on the Canadian nursery industry

Mukhebi, A. W., 1992: Economic impact of theileriosis and its control in Africa

Ascanio Guevara, A., 1991: Economic impact of tourism at a local level and elements for a new strategy (the case of hotels in Paseo de Las Canteras)

Cordonnier, P.; Journet, M.; Chilliard, Y.; Lienard, G., 1989: Economic impact of using somatotropin in French dairy farming systems

Chase, C.; Duffy, M.; Lotz, W., 1991: Economic impact of varying swine manure application rates on continuous corn

Borge, L.; Nelson, W. C.; Leitch, J. A.; Leistritz, F. L., 1991: Economic impact of wildlife-based tourism in northern Botswana

Sastre, M. S. P. de; Liberman, O.; Cerioni, L.; Morresi, S., 1989: Economic impact on regional income of irradiation of garlic, onions and potatoes. The case of Corfo-Rio Colorado

Gitelson, R. J.; Graefe, A. R., 1990: Economic impacts associated with whitewater boating on the Upper Youghiogheny River

Chaudhry, M. A.; Young, R. A., 1990: Economic impacts of alternative irrigation water allocation institutions: Pakistan's warabandi system

Taylor, C. R.; Penson, J. B, Jr; Smith, E. G.; Knutson, R. D.; Schaub, J. R., 1991: Economic impacts of chemical use reduction on the south; Discussion

D'-Souza, Ge; Maxwell, Ew; Bryan, Wb; Prigge, Ec, 1990: Economic impacts of extended grazing systems

Dahl B.L.; Sell R.S.; Watt D.L.; Conlon R.L., 1991: Economic impacts of removal of registration for parathion on sunflower

Hamilton, J. R.; Whittlesey, N. K.; Robison, M. H.; Ellis, J., 1991: Economic impacts, value added, and benefits in regional project analysis

Day, K.; Ferguson, W.; Szmedra, P., 1991: Economic implications of a ban on EBDC disease control uses in vegetable production

Gardner, B., 1990: Economic implications of a changing world for U.S. agriculture in the 1990's

Fisher, B.; Riethmuller, P.; Tie, G.; Bowen, B., 1990: Economic implications of a changing world for agriculture: an Australian perspective

Shoeffling, Jr; Angus, Rc; Armstrong, Dv; Huber, Jt, 1991: Economic implications of bovine somatotropin use for the Arizona dairy industry

Tobey, J.; Reilly, J.; Kane, S., 1992: Economic implications of global climate change for world agriculture

Skinner, R. A.; Meyer, L. A., 1991: Economic implications of planting flexibility provisions for US upland cotton farms

Zubov, A. E.; Knyaz' kova, S. R., 1989: Economic importance and breeding value of new form of dried pea with determinate-type growth

Larsson, H., 1991: Economic importance of cereal aphids at different cost levels

Thakur, R. P., 1990: Economic importance of fasciolosis (Fasciola gigantica) with special reference to Nepal

Moss, M. O., 1991: Economic importance of mycotoxins - recent incidence

Jeandel, F., 1991: Economic importance of parasitoses in dairy heifers, dairy cows, and beef suckler herds

Campos D, J. L., 1990: Economic importance of the Mexican pines

Grise, V. N., 1991: Economic importance of the U.S. tobacco industry

Tigvattnanont, S.; Pramual, C., 1990: Economic importance of the durio psyllid, Tenaphalara malayensis Crawford in Thailand

Anonymous, 1990: Economic importance of traditional milk products

Gajo, P.; Gatto, P., 1990: Economic improvement of farm woodlands in marginal areas: a case study of the Garfagnana Valley through a linear programming model

McNeely, J. A.; Dobias, R. J., 1991: Economic incentives for conserving biological diversity in Thailand

Panayotou, T., 1991: Economic incentives in environmental management and their relevance to developing countries

Baber, R. A. A.; Nieuwoudt, W. L., 1992: Economic incentives in the subsistence areas of South Africa and the need for reform

Anonymous, 1992: Economic indicators of the farm sector: costs of production - livestock and dairy, 1990

Anonymous, 1992: Economic indicators of the farm sector: costs of production - major field crops, 1990

Anonymous, 1991: Economic indicators of the farm sector: national financial summary, 1989

Anonymous, 1991: Economic indicators of the farm sector: national financial summary, 1990

Anonymous, 1991: Economic indicators of the farm sector: production and efficiency statistics, 1989

Anonymous, 1992: Economic indicators of the farm sector: production and efficiency statistics, 1990

Anonymous, 1991: Economic indicators of the farm sector: state financial summary, 1989

Anonymous, 1991: Economic indicators of the farm sector: state financial summary, 1990

Sobotkova, V., 1988: Economic indices of the activity of forest nurseries in Czechoslovakia

Archer, T. L.; Bynum, E. D, Jr, 1992: Economic injury level for the Russian wheat aphid (Homoptera: Aphididae) on dryland winter wheat

Benedict, J. H.; El Zik, K. M.; Oliver, L. R.; Roberts, P. A.; Wilson, L. T., 1989: Economic injury levels and thresholds for pests of cotton

Senanayake, D. G.; Holliday, N. J., 1989: Economic injury levels for Colorado potato beetle (Coleoptera: Chrysomelidae) on 'Norland' potatoes in Manitoba

Davis, P. M.; Pedigo, L. P., 1991: Economic injury levels for management of stalk borer (Lepidoptera: Noctuidae) in corn

Rao N.V.; Rao B.H.K.M.; Rao V.L.V.P.; Reddy P.S., 1990: Economic injury levels for rice gall midge and yellow stem borer

Corey, F. M, Jr; Cadpan, E. P.; Sanchez, F. F., 1989: Economic injury levels of the leafhopper Idioscopus clypealis (Leth.) on mango (Mangifera indica (L.))

Larsson, H., 1992: Economic injury threshold and economic threshold for the wheat blossom midges Contarinia tritici and Sitodiplosis mosellana

Griffon, M., 1992: Economic institutions and management of renewable natural resources

Buckley, R., 1991: Economic instruments of environmental policy

Rivero, N., 1992: Economic integration in the Americas and the sugar industry

Hofreither, M. F.; Pruckner, G.; Weiss, C. R., 1991: Economic interactions between the economy as a whole and the agricultural sector. An empirical analysis for Austria

Szeles, G., 1990: Economic interdependencies in slaughter pig production

Delaveau, A., 1991: Economic interest of growth stimulants in cattle husbandry

Henning, J. C.; Baker, L.; Thomassin, P. J., 1991: Economic issues in organic agriculture

Moschini, G., 1991: Economic issues in tariffication: an overview

Meilke, K. D.; Duren, E. van, 1990: Economic issues in the U.S. countervail case against Canadian hogs and pork

Amer, M. H.; El Guindy, S.; Rafla, W., 1989: Economic justification of drainage projects in Egypt

Kasryno, F.; Suryana, A., 1990: Economic liberalisation and agricultural policy adjustment in Indonesia

Pillai, R. V., 1991: Economic life-span of coconut hybrids

Harris, T. R.; Rader, L. J.; Johnson, W. S., 1992: Economic linkages of the U.S. greenhouse and nursery products industry

Reda Wilson, K., 1991: Economic literacy: a marketable product for land grant universities

Safiullin, R. T., 1991: Economic loss caused by echinococcosis in animals and methods of its evaluation

Sharma, R. C.; Malviya, V. S.; Bhati, P. G., 1990: Economic loss due to malaria in Kheda district, Gujarat

Safiullin, R. T., 1988: Economic losses due to decreased production quality caused by ascariasis in pigs

Curk, A., 1990: Economic losses due to rabies in Slovenia

Carpenter, B. D.; Ethridge, D. E.; Sosebee, R., 1990: Economic losses from broom snakeweed poisoning in cattle

Spohr, M., 1989: Economic losses on the dairy farm as a result of udder diseases - subclinical mastitis

Skold, K. D., 1991: Economic malaise slows reform: a review of current conditions in the Soviet Union

Goldschmidt Clermont, L., 1990: Economic measurement on non-market household production: relating purposes and valuation methodologies

Gray, R. S., 1991: Economic measures of sustainability

Karlyuk, I.; Kazakov, E., 1991: Economic methods of state administration for the agroindustrial sector

Bishop, R., 1991: Economic methods to solve conflicts in the utilization of water resources

Ellis, J. R.; Hughes, D. W.; Butcher, W. R., 1991: Economic modeling of farm production and conservation decisions in response to alternative resource and environmental policies

Anonymous, 1992: Economic models of agricultural land conservation and environmental improvement

Ninsin, K. A., 1991: Economic modernisation and social change: evidence from Mumford, a Ghanaian fishing village

Bruckner, H.; Kubaile, E., 1991: Economic objectives for dairy farming

Cox, P. G.; Marsden, S. G.; Brook, K. D.; Talpaz, H.; Hearn, A. B., 1991: Economic optimisation of Heliothis thresholds on cotton using a pest management model

Feinerman, E.; Shani, Y.; Bresler, E., 1989: Economic optimisation of sprinkler irrigation considering uncertainty of spatial water distribution

Carlsson, D., 1990: Economic optimization of forest management in mixed stands of Norway spruce (Picea abies) and birch (Betula pendula)

Huirne R.B.M.; Dijkhuizen A.A.; Renkema J.A., 1991: Economic optimization of sow replacement decisions on the personal computer by method of stochastic dynamic programming

Bourgeois, L., 1989: Economic outlook for French agriculture in the year 2000

Variyam, J. N.; Jordan, J. L., 1991: Economic perceptions and agricultural policy preferences

Shapouri, S.; Missiaen, M., 1991: Economic performance and policy adjustment: the experience of Zimbabwe

Vashist, G. D.; Katiha, P. K., 1989: Economic performance of cows and buffaloes by size group: a case study in Himachal Pradesh

Hulot, J. F., 1990: Economic performance of farms in less-favoured areas of the EC

Frank, D. L.; Ghebremichael, A.; Oum, T. H.; Tretheway, M. W., 1988: Economic performance of the Canadian pulp and paper industry: 1963-1982

Roux, P., 1988: Economic performance of the sawmilling industry in France

Bos, A.; Krikke, A. T., 1991: Economic perspectives of arable farms in regions with Paratrichodorus teres

Anonymous, 1992: Economic planning in free societies - Hungary

Anonymous, 1988: Economic planning of dynamic resource harvesting. Proceedings from the Economic Planning Group conference, Scandinavian Society of Forest Economics, Oslo, Norway, 24-26 May 1988

Lund, M., 1991: Economic planning under uncertainty

Guidi, A., 1989: Economic policies and family farms in developing countries

Arntzen, J. W., 1990: Economic policies and rangeland degradation in Botswana

Mundlak, Y.; Cavallo, D.; Domenech, R., 1990: Economic policies and sectoral growth: Argentina 1913-1984

Fathi, S.; Al Khawal, H., 1989: Economic policies for environmental protection

Anonymous, 1990: Economic policies for sustainable development

Lohani, B. N.; Evans, J. W., 1992: Economic policies for sustainable development: a country study for Nepal

Barbier, E.; Bishop, J.; Aylward, B.; Burgess, J., 1992: Economic policy and sustainable natural resource management

Leinert, S., 1988: Economic possibilities of restructuring non-farm private forests

Dano, J.; Antal, J., 1990: Economic possibilities within the meat types of original cattle breeds

Rotz, Ca; Buckmaster, Dr; Borton, Lr, 1992: Economic potential of preserving high-moisture hay

Kumudranjau Naskar, 1988: Economic potentialities of the tidal mangrove forests of Sundarbans in India

Kosolapov, E. L., 1989: Economic principles of machinery selection in crop production

Petrov, A. P.; Nagornaya, M. P., 1991: Economic priorities in the utilization of Group I forests

Pettenella, D.; Cutolo, N., 1990: Economic problems connected with the development of plantations of high quality broadleaf species

Anonymous, 1989: Economic problems involved in the relationship between agriculture and the environment. Proceedings of the 25th SIDEA study seminar, Ancona, October 1988

Pfeiffer, A., 1991: Economic problems of farm mechanization in developing countries

Al Habbab, M. S.; Mohamed Harab, 1989: Economic problems of fattening lambs in Jordan

Denchev, R.; Bashev, C. A., 1991: Economic problems of the innovation in greenhouse flower production in Bulgaria

Pulkrab, K., 1990: Economic problems of the rational exploitation of forest resources

Szklarska, J., 1989: Economic problems of vegetable production in the years 1958-1988

Hubacek, J., 1992: Economic problems with regard to the reform of the agroindustrial sector

Mosny, D., 1992: Economic projections for agribusiness under free market conditions and privatization

Mihova, S.; Stavreva, N.; Stoyanov, I.; Iliev, I., 1989: Economic properties and resistance to rusts and powdery mildew of soft winter wheat cultivars

Larson, D. F., 1990: Economic prospects for palm oil: a World Bank view

Bublot, G.; Tychon, P., 1990: Economic prospects for sugarbeet production in Belgium. 3. Possible research directions

Das, T. K.; Mitra, A.; Roy, S. R., 1992: Economic prospects of growing para grass in low-lying lands - a case study in Haringhata block of Nadia district, West Bengal

Bublot, G.; Tychon, P., 1990: Economic prospects of sugarbeet cultivation in Belgium. 4. Ways of diversification of sugarbeet

Jung, I., 1992: Economic prosperity of the viticultural and wine making sectors in the market economy

Upton, M., 1991: Economic quantification of the benefits of agricultural research

Szederkenyi, E., 1990: Economic questions regarding the processing of soyabean for feeds

Oberoi, R. C., 1989: Economic rationale of agricultural development in cold desert areas of Himachal Pradesh

DeBardeleben, J., 1990: Economic reform and environmental protection in the USSR

Hong, Z.; Ebanks, G. E., 1992: Economic reform and population control in rural mainland China in the 1980s

Jabara, C. L., 1990: Economic reform and poverty in the Gambia

Morgan, W. B., 1992: Economic reform, the free market and agriculture in Poland

Sandrey, R. A., 1992: Economic reforms and New Zealand agriculture

Mandurtu, 1991: Economic reforms and minority nationalities

Anonymous, 1990: Economic reforms in the agriculture of the USSR and East European countries

Turner, R; Newton, Cm; Dennis, Df, 1991: Economic relationships between parcel characteristics and price in the market for Vermont forestland

Thiede, B.; Spriewald, H.; Reke, B., 1987: Economic relationships for achieving efficiency in replacement of fixed assets

Collivignarelli, C.; Urbini, G.; Farneti, A.; Bassetti, A.; Barbaresi, U., 1991: Economic removal of organic and nutrient substances from municipal wastewaters with full-scale U.A.S.B. fluidized- and fixed-bed reactors

Babcock, Ba; Foster, We, 1992: Economic rents under supply controls with marketable quota

Schmithusen, F., 1990: Economic research issues related to fiscal policies on tropical forest resources utilisation

Caccetta, A.; Pesce, S., 1989: Economic results and costs of producing hard wheat in a cereal farm in Enna, Sicily

Anonymous, 1991: Economic results for 1990

Berger, E. P., 1990: Economic results for private forestry in the Netherlands in 1988

Hinton, W. L.; Housden, W. C., 1991: Economic results from horticulture 1989 harvest year

Hinton, L.; Housden, W. C., 1992: Economic results from horticulture 1990 harvest year

Pfingster, H., 1990: Economic results of cattle crosses

Todorov, T. I., 1990: Economic results of reconstruction and modernization of 'Fregat'-sprinkled fields at the Vidin irrigation system

Voigtlander, B.; Wolf, E.; Thom, B., 1991: Economic results of vaccinating broiler flocks against Marek's disease

Hussain, M. S.; Sikder, F. S.; Elias, S. M., 1990: Economic returns and production of kheshari (lathyrus) in selected areas of Bangladesh

Pinedo Vasquez, M.; Zarin, D.; Jipp, P., 1992: Economic returns from forest conversion in the Peruvian Amazon

Traxler, G.; Byerlee, D., 1992: Economic returns to crop management research in a post-Green Revolution setting

Voon, T. J., 1992: Economic returns to quality-enhancing research: the case of dark-cutting beef in Australia

Szmedra, Pi; Mcclendon, Rw; Wetzstein, Me, 1991: Economic risk efficiency of boll weevil eradication

Colson, F., 1988: Economic risks and systems of agricultural production. Reflections on the basis of the study of farmers in a difficult financial situation

Farolfi, S., 1990: Economic role of minor forest products: a survey in the Casentino forest

Chatterjee, A., 1990: Economic significance of biotechnology in India

Hagenlocher, H.; Schroer, T., 1990: Economic significance, prevention and treatment of skin damage in cattle

Eriksson, G.; Persson, H., 1990: Economic silvicultural plans for a Swedish Forest Service district

Herceg, B., 1990: Economic situation of the poultry sector

Rawat J.W., 1990: Economic spacing and rotation decisions in farm forestry

Runge, C. F., 1992: Economic stability rides on success of GATT negotiations

Rao, D. V. R.; Singh, K. N.; Wightman, J. A.; Rao, G. V. R., 1991: Economic status of neem cake mulch for termite control in groundnut

Besteman, C., 1989: Economic strategies of farming households in Penabranca, Portugal

Song, H. K.; Wang, I. K., 1990: Economic structure and performance of Republic of South Africa and Southern African countries

Saluja, M. R.; Sarma, A., 1991: Economic structure of a least and the most developed region in India: a comparative study in an input-output framework

Torikai, Y., 1990: Economic structure of fishing villages in the Philippines

Toyama, M., 1990: Economic structure of the western provinces

Pomeroy, R. S., 1989: Economic studies of tropical small scale fisheries: a discussion of methodologies

Dobremez, L.; Baud, G.; Barret, M.; Roussel, M.; Lienard, G.; Lherm, M.; Pizaine, M. C., 1990: Economic study of dairy farms at medium altitude in Haute-Loire. Results for 1987/88 and developments since the introduction of milk quotas

Huang, Z. H.; Wang, X. Q., 1990: Economic study of grain post-harvest techniques

Dobremez, L.; Baud, G.; Barret, M.; Roussel, M.; Lienard, G.; Lherm, M.; Pizaine, M. C., 1989: Economic study of milk production on farms at medium altitude in Haute-Loire. Results for 1986-1987

Amon, G.; Baud, G.; Fiey, J.; Laly, J. P.; Delattre, J. C.; Lienard, G.; Pizaine, M. C., 1988: Economic study of modernized, intensive dairy farms in Pas-de-Calais, 1986-1987

Mafikiri, T. N.; Tshibaka, T. B., 1990: Economic study of the usage of mineral fertilizers in the production of cassava (Manihot esculenta Crantz cv. F46) at Yangambi, Zaire

Chataigner, G., 1990: Economic success of a cultural epic

Sureshwaran, S; Thompson, Cs; Henry, Ms; Loyd, Mi, 1990: Economic surplus and the distributional consequences of deregulating tobacco production

Dolan, A. G.; Russell, B. P., 1989: Economic survey of private forestry: England and Wales. Report for 1987/88

Foy, G., 1990: Economic sustainability and the preservation of environmental assets

Batchelor, W. D.; Wetzstein, M. E.; McClendon, R. W., 1991: Economic theory and expert system information technologies in agriculture

Bresso, M., 1991: Economic theory and the environment: the state of the art

Amigues, J. P.; Touzan, C., 1990: Economic theory of externalities and agricultural environmental policy: the case of nitrogen pollution

Campbell J.B.; Berry I.L., 1989: Economic threshold for stable flies on confined livestock

Jing, Y.; Zhang, X. Y.; Hou, W. Z., 1990: Economic threshold of Dothiorella canker of poplars

Ramirez B, A.; Carballo V, M.; Saunders, J. L., 1989: Economic threshold of Keiferia lycopersicella in tomato

Afifi, F. M. L.; Mesbah, I. I., 1990: Economic threshold of infestation with the cotton leaf worm, Spodoptera littoralis (Boisd.) (Lepidoptera: Noctuidae), in cotton fields in Egypt. 1 - Food consumption of larva

El Sherif, S. I.; Mostafa, F. F.; Mesbah, I. I., 1991: Economic threshold of infestation with the cotton leafworm Spodoptera littoralis (Boisd.)(Lepidoptera: Noctuidae), in cotton fields in A.R.E. 2. Utilization of larval food consumption values for the approximation of infestation threshold estimates

El Sherif, S. I.; Hawary, I. S. El; Mesbah, I. I., 1991: Economic threshold of infestation with the cotton leafworm, Spodoptera littoralis (Boisd.) (Lepidoptera: Noctuidae) in cotton fields in ARE 3. - Economic injury levels during the different generations

Abadi Ghadim, A. K.; Pannell, D. J., 1991: Economic trade-off between pasture production and crop weed control

Nagarcenkar, R., 1988: Economic traits in milch buffaloes and potential for genetic improvement

Igon' kin, A. V., 1990: Economic traits of black pied cows and their Holstein crossbreds in intensive milk production

Janssen, W. G.; Sanint, L. R., 1991: Economic trends in Latin America: roles for agriculture and new technology

Fuller, S.; Hall, C., 1990: Economic trends of the melon industry in Texas and the United States: cantaloupe, honeydew, and watermelon

Lohmander, P., 1990: Economic two stage multi species management in a stochastic environment: the case of selective thinning options and stochastic growth parameters

Erlenstadt, G., 1990: Economic utilisation of phosphogypsum-thrust and remedy

Cazes, J. P.; Dobbels, M.; Vallade, S.; Baribault, P., 1989: Economic utilization of the Causses region by sheep flocks

Peterson, J. T.; Giles, D. R., 1988: Economic utilization study of poor-quality lodgepole pine: phase I

Worley, J. W.; Cundiff, J. S.; Vaughan, D. H., 1990: Economic valuation of by-products of sweet sorghum for ethanol industry

Luzar, E. J.; Hotvedt, J. E.; Gan, C., 1992: Economic valuation of deer hunting on Louisiana public land: a travel cost analysis

Dixon, J. A.; Winpenny, J. T., 1991: Economic valuation of environmental resources. Economic valuation: a comment on Dixon

Dawidziuk, J., 1988: Economic valuation of forest land

Marinelli, A.; Casini, L.; Romano, D., 1990: Economic valuation of the aggregate impact and direct benefits of outdoor recreation: the case of a natural park in Tuscany

Gatto, P., 1988: Economic valuation of urban and rural forest lands

Kopus' , M. M.; Ignat' eva, N. G., 1992: Economic value - a criterion for evaluating barley varieties

Swanson, C. S.; Thomas, M.; Donnelly, D. M., 1989: Economic value of big game hunting in southeast Alaska

Klein, K. K.; Kramer, F., 1990: Economic value of outlook and research information: a test from southern Alberta

Chemjong, P. B., 1989: Economic value of urea-treated straw fed to lactating buffaloes during the dry season

Singh, R.; Thapaliyal, K. N.; Mahuley, R. G., 1991: Economic viability and potentialities for increasing income and employment on the marginal and small farms in Uttar Pradesh

Prakash C.; Sinha P.S.R.K.; Reddy A.K., 1990: Economic viability of aquaculture in sewage

Bright, F. A.; Murray, S. T., 1990: Economic viability of controlled traffic farming

Rocha, M. B.; Dulley, R. D.; Silva, J. R. da, 1991: Economic viability of growing annatto: a preliminary approach

Perlin, C.; Soucek, J., 1991: Economic view of the new environment friendly fuel bio-oil

Van Niejenhuis, J. H.; Haverkamp, H. C. M., 1992: Economic view on the reduction of the use of herbicides in sugarbeet

Munoz, A.; Canon, J.; Maria Dolores, E., 1991: Economic weights for selection of pigs in the Murcia region. (Selection objective for pigs)

Perry, J., 1992: Economic well-being of farm operator households, 1990

Maton, A., 1990: Economic, management and technical aspects of pig keeping on a Belgian family farm

Kyle, S., 1991: Economic, reform and armed conflict in Mozambique

Graham, J. E., 1990: Economic, social, and cultural factors that inhibit vector control in developing countries

Heitefuss, R., 1991: Economical and ecological aspects of weed control - viewpoints of a plant pathologist

Adams, Pb; Fravel, Dr, 1990: Economical biological control of Sclerotinia lettuce drop by Sporidesmium sclerotivorum

Polityko, P. M., 1989: Economical effectiveness of chemical protection of wheat and rye from stem rust

Boles, Jl; Hodges, Ca; Faulkner, Lc, 1991: Economical nitrogen-sulfur fluids

Boles, J. L.; Hodge, C. A.; Faulkner, L. C., 1990: Economical nitrogen-sulfur fluids

Barotfi, I., 1990: Economical questions of energetical utilization of the biomass in Hungary

Fagundo, P. O., 1990: Economical result calculation of different plants tested in Cuba during the last years for processing sugar cane straw for cattle feeding

Ashok Mishra; Patel, N. M.; Patel, D. B.; Patel, J. R.; Jadon, B. S., 1989: Economical spray schedule for the management of leaf blight/blotch of wheat

Ranjha, A. Y.; Zahid Hussain; Arshad Aziz, 1989: Economical watercourse lining

Chauhan, D. S.; Dhyani, S. K., 1989: Economically important tree species of Meghalaya

Quigley, T. M.; Tanaka, J. A.; Sanderson, H. R.; Tiedemann, A. R., 1991: Economically optimal private land grazing strategies for the Blue Mountains of eastern Oregon

Marsh, L. S.; Albright, L. D., 1991: Economically optimum day temperatures for greenhouse hydroponic lettuce production. Part I: A computer model

Marsh, L. S.; Albright, L. D., 1991: Economically optimum day temperatures for greenhouse hydroponic lettuce production. Part II: Results and simulations

Tikhomirova, I. A., 1990: Economically useful characters in wild forms of Phalaris arundinacea from the VIR collection

Turkova, E. V.; Akhundova, V. A., 1991: Economically useful forms of chickpea

Bokhan, I. K., 1991: Economically useful mutants of castor bean

Shogren, J. F.; Nowell, C., 1990: Economics and ecology: a comparison of experimental methodologies and philosophies

Shogren, J. F.; Nowell, C., 1992: Economics and ecology: a comparison of experimental methodologies and philosophies

Dono, G., 1992: Economics and environmental policy: controversies regarding the neoclassical approach

Pillay, T. V. R., 1990: Economics and financing of aquaculture

Trumble, J. T.; Alvarado Rodriguez, B., 1990: Economics and integration of Bacillus thuringiensis use in vegetable production in the USA and Mexico

Bojo J.P., 1991: Economics and land degradation

Metlitskii, O. Z., 1990: Economics and nematode control

Bose, A. N., 1990: Economics and politics of decentralised planning

Mote, S. R.; Bhide, A. D.; Kaul, S. N., 1990: Economics and pollution control options for leachates

Anonymous, 1991: Economics and public service: Proceedings of the 30th Anniversary ERS Conference

Anonymous, 1990: Economics and quality, principal preoccupations of the dairy sector

Nicolaisen, J.; Dean, A.; Hoeller, P., 1991: Economics and the environment: a survey of issues and policy options

McArthur, A.; Porter, M., 1991: Economics and the environment: the New Zealand debate

Tisdell, C. A., 1991: Economics and the living environment

Eadington, W. R.; Redman, M., 1991: Economics and tourism

Turner K., 1991: Economics and wetland management

Swanson, Timothy M.; Barbier, Edward B., 1992: Economics for the wilds: wildlife, wildlands, diversity and development

Soderbaum, P., 1990: Economics in relation to environment, agriculture and rural development: a non-traditional approach to project evaluation

Abdel Monem, M.; Ryan, J.; Azzaoui, A., 1990: Economics of N on dryland wheat in Morocco: soil, rotation and season effects

Bakker, P. de, 1989: Economics of PV-systems in the Philippines

Hergert, H. J.; Uibrig, H., 1991: Economics of a pole and fuelwood production project in the Hararghe highlands, eastern Ethiopia

Harpole, G. B.; Geimer, R. L., 1987: Economics of accelerated bonding

Connolly, L., 1992: Economics of alternative livestock production

Rawlins, W. H. M., 1991: Economics of alternative management regimes

Mukhebi, A. W.; Morzaria, S. P.; Perry, B. D., 1989: Economics of an East Coast fever immunization trial at the Kenya Coast

Castaldi, M., 1991: Economics of apple production in Italy

Manjappa, H. D., 1990: Economics of bio-gas technology in India

Cochran, M. J., 1990: Economics of biocontrol in an IPM system

Hanumappa, H. G., 1990: Economics of bivoltine silkworm rearing in Karnataka

Carpenter, Bd; Ethridge, De; Sosebee, Re, 1991: Economics of broom snakeweed control on the Southern Plains

Pandey, U. K.; Singh, N.; Chaudhary, S. R., 1991: Economics of buffalo milk production on an organised dairy farm of Haryana

Rao, B. D.; Reddy, T. G.; Singh, C. B., 1991: Economics of buffalo milk production on commercial dairy farms

Gulati, H. K.; Sastry, N. S. R., 1990: Economics of bullock keeping in Hisar District of Haryana

Mukherjee, A. K.; Ali, M. H.; Sengupta, A.; Sarkar, S. C., 1991: Economics of cauliflower cultivation in West Bengal - a case study

Verma, A. K.; Khattar, H. K., 1990: Economics of co-generation in sugar industry

Mohan, B.; Selvam, S. P.; Balakrishnan, D.; Shanmugam, T. R., 1990: Economics of cockerel production in Namakkal

Anilkumar, A. S.; Pillai, S. J., 1989: Economics of coconut based intercropping systems

Logan, S. H.; Johnston, W. E., 1992: Economics of commercial trout production

Anonymous, 1990: Economics of conservation. Proceedings from a Second Workshop held in Manzini, Swaziland, 28 November-2 December, 1988

Tisdell, C. A., 1991: Economics of conserving natural areas: national parks and protected areas

Purcell, W. D., 1990: Economics of consolidation in the beef sector: research challenges

Zoborsky, I.; Palsa, V., 1991: Economics of containerized transport for selected products

Huber, Ha; Ruddell, S; Mukherjee, K; Mcmillin, C., 1989: Economics of cutting hardwood dimension parts with an automated system

Connolly, L., 1991: Economics of deer farming

Sharma, P. P.; Arya, P. S.; Lanknoo, G. M., 1988: Economics of different herbicides used in bell pepper (Capsicum annuum L.)

Sanders, D. C.; Estes, E. A.; Konsler, T. R.; Lamont, W. J.; Davis, J. M., 1988: Economics of drip and plastic for muskmelons, peppers and tomatoes

Sikka, B. K.; Saraswat, S. P., 1991: Economics of dwarf apple production in Himachal Pradesh

Tisdell, C. A., 1991: Economics of environmental conservation: economics for environmental and ecological management

Sinha, C. S.; Kandpal, T. C.; Joshi, B., 1991: Economics of family sized biogas plants in India

Anonymous, 1990: Economics of farm enterprises 1988/89

Hazarika, C.; Talukdar, K. C., 1990: Economics of farm level storage for rice in Jorhat district of Assam - a case study

Kher, D.; Bhat, G. M., 1990: Economics of fertilization in maize and wheat: a study of Himachal Pradesh

Farina, M. P. W., 1990: Economics of fertilizer use

Rankine, L. B., 1992: Economics of fertilizer use and commodity pricing in the small-farm sector in the Commonwealth Caribbean

Mitra, A. K.; Sain, K., 1990: Economics of fertilizer use in Nadia (W.B.)

Singh, R. A.; Singh, V. P.; Prasad, V. K. C. S.; Singh, R. P.; Yadov, J., 1990: Economics of fertilizer use on barley in rainfed 'Diara' areas of eastern Uttar Pradesh, India

Rusydi ; Lampe, H. C., 1990: Economics of floating net cage common carp culture in the Saguling reservoir, West Java, Indonesia

Caswell, Julie, A., 1991: Economics of food safety

Thind T.S.; Grewal R.K.; Sokhi S.S., 1989: Economics of fungicides application

Abdou, A. I., 1991: Economics of green structures horticultural production in Egypt

Thorve, P. V.; Nagre, K. T.; Joshi, S. S., 1989: Economics of groundnut and soybean as influenced by nitrogen and Rhizobium inoculation

Fucek, P.; Polcicova, I., 1990: Economics of harvesting lines, postharvest treatment of maize and silage handling

Nussey, R., 1989: Economics of hay production

Beyene, H., 1990: Economics of herbicide application on bread wheat and its implications

Salot, W. J., 1991: Economics of high-pressure, steam-methane reformer catalyst tubes

Agonafir, Y., 1991: Economics of horticultural production in Ethiopia

Dorr, G. J.; Pannell, D. J., 1992: Economics of improved spatial distribution of herbicide for weed control in crops

Karel, Ak; Ashimogo, Gc, 1991: Economics of insect control on common beans and soybeans in Tanzania

Walgenbach, Jf; Estes, Ea, 1992: Economics of insecticide use on staked tomatoes in western North Carolina

Rathi, K. S.; Prasad, K.; Pal, A. K., 1989: Economics of inter-croppng of wheat with potato

Anonymous, 1991: Economics of investment in minor irrigation assets - a study in Aurangabad district in Maharashtra and Sabarkantha district in Gujarat

Feinerman E.; Bresler E.; Achrish H., 1989: Economics of irrigation technology under conditions of spatially variable soils and nonuniform water distribution

Pathak, S., 1991: Economics of jute cultivation

Constable, S., 1990: Economics of large scale irrigation farming - September 1990

Tokarski, W., 1991: Economics of leisure and sport facilities: the German case

Heimlich, R. E.; Kula, O. E., 1991: Economics of livestock and crop production on post-CRP lands

Narain, P.; Soni, P. N.; Pandey, A. K., 1990: Economics of long term fertiliser use and yield sustainability

Lorrain Smith, Roy, 1992: Economics of lowland forestry

Akinyemiju, O. A.; Alimi, T., 1989: Economics of maize (Zea mays) production under different weed control methods

Alam, Q. M., 1991: Economics of maize production and utilization in some selected areas of Bangladesh

Jain, H., 1989: Economics of marketing and processing of arhar dal in Narsinghpur district of Madhya Pradesh

Gill R.; Howard W.H.; Leslie K.E.; Lissemore K., 1990: Economics of mastitis control

Giau, B.; Mosso, A., 1991: Economics of meadow and pasture utilization

Racey, G.; Wiensczyk, A. M., 1991: Economics of mechanical bulk lifting at an Ontario bareroot tree nursery

Langlinais, S. J., 1989: Economics of microwave treated rice for controlling weevils

Tailor, S. P.; Borikar, S. T.; Jain, L. S.; Chawala, G. L., 1992: Economics of milk production in Surti buffaloes

Tripathi, R. S.; Singh, G. N.; Grag, J. S., 1989: Economics of mixed cropping in the semi-arid tropics: a case study of Hamirpur district in Bundelkhand region of U.P

Loyns, R. M. A.; Hope, L. C.; Frank, N. D., 1990: Economics of natural air drying on Manitoba grain farms

Ipe, C. V.; Varghese, C. A., 1990: Economics of nutmeg cultivation in Kerala

Stonehouse, D. P. et al., 1992: Economics of pasture-based beef production on arable land in southwestern Ontario

Pandurangadu, K.; Raju, V. T., 1990: Economics of pesticide use on cotton farms in Guntur District of Andhra Pradesh

Vishwakarma, S. N.; Singh, R. S.; Dubey, G. S., 1989: Economics of planting fungicide treated cut potato tubers

Jordan, D.; Frans, R.; McClelland, M.; Johnson, W., 1990: Economics of postemergence herbicides in cotton

Mukhopadhyay, S. K.; Jana, P. K., 1990: Economics of potassium fertilization in sweet potato

Thakur, D. R.; Moorti, T. V., 1991: Economics of potato in Himachal Pradesh

Awdhesh Singh; Ram Iqbal Singh; Gupta, B. K.; Harpal Singh, 1991: Economics of production and marketing of wheat in block Malasa of district Kanpur (Dehat), U.P. (a case study)

Dixon, J. A.; Sherman, P. B., 1990: Economics of protected areas: a new look at benefits and costs

Taylor, R., 1990: Economics of public health in the South Pacific: an overview of health status, health services and health expenditure in Fiji, Solomon Islands, Vanuatu, Tonga, Western Samoa and Kiribati

Singh, D. P.; Sarma, B. K., 1989: Economics of ramie (Boehmeria nivea (L.) Gaud.) cultivation - a case study

Agnihotri, Y.; Mishra, P. R.; Sadhu Singh, 1989: Economics of reducing rotation in Eucalyptus hybrid

Workman, W. G.; Thomas, W. C.; Greenberg, J. A., 1991: Economics of reindeer rangeland

Sipal, C. A.; Willits, D. H.; Sowell, R. S., 1991: Economics of rockbed cooling

Woon, W. C.; Hoi, W. K.; Puad Elham, 1989: Economics of rubberwood charcoal production using the transportable metal kiln

Collins, R. P.; Vuuren, S. P. van, 1990: Economics of sensitive citrus material being pre-immunized with a mild isolate of citrus tristeza virus

Rath, N., 1992: Economics of sheep and goat in Maharashtra

Dastagiri, M. B.; Rao, A. N., 1991: Economics of sheep farming

Chauhan, S. K.; Moorti, T. V., 1990: Economics of sheep farming (a study of Tribal area Bharmaur in Himachal Pradesh)

Ninan, K. N., 1992: Economics of shifting cultivation in India

Hanumappa, H. G.; Anantharaman, M. N., 1992: Economics of silk industry: micro and macro issues

Posadas, B. C.; Homziak, J., 1992: Economics of soft shell crawfish production in Mississippi

Marothia, D. K.; Phillips, W. E., 1990: Economics of soil erosion control from the farmers' perspective: a Peace River survey

Singh, D.; Sharma, K. C., 1990: Economics of soybean (Glycine max L.) Merrill cultivation under different methods of weed control

Malenfant, C., 1991: Economics of sport: the French case

Alekseev, B. F., 1990: Economics of stationary harvesting of grain crops

Regev, U., 1989: Economics of sustainable pest control

Rotz, Ca; Savoie, P., 1991: Economics of swath manipulation during field curing of alfalfa

Sharma, R.; Moorti, T. V., 1990: Economics of technical change in tea farming in Himachal Pradesh

Mariam, B. G., 1991: Economics of the Ethiopian coffee industry

Sakovic, S.; Comic, R., 1980: Economics of timber production in beech and mixed beech/fir /spruce forests

Seneviratne, P., 1989: Economics of tourist pollution

Bosch, D. J.; Napit, K. B., 1992: Economics of transporting poultry litter to achieve more effective use as fertilizer

Das, T. K.; Mitra, A. K.; Sarkar, S. C., 1988: Economics of tuberose cultivation in Nadia District (West Bengal)

Rath, N.; Mitra, A. K., 1988: Economics of utilization of canal water in dry agricultural regions characterized by potential shortage of water

Werth, K., 1991: Economics of very high density plantings

Vaishya, R. D.; Singh, V. K., 1989: Economics of weed control methods in upland direct seeded rice

Hussain, M. S.; Elias, S. M., 1990: Economics of wheat cultivation for different farm categories and constraints to its higher production in Bangladesh

Simpson, J. R.; Moore, C. P., 1990: Economics of zeranol in beef cattle production

Brown, L. R., 1992: Economics versus ecology: two contrasting views of the world

Rummens, M.; Klienerstein, J.; Rhodes, V. J., 1991: Economics, competition to dictate future direction

Friend, A. M., 1992: Economics, ecology and sustainable development: are they compatible?

Rasker, R.; Martin, M. V.; Johnson, R. L., 1992: Economics: theory versus practice in wildlife management

Gempesaw, C. M, I. I.; Bacon, J. R.; Wirth, F. F., 1992: Economies of pond size for hybrid striped bass growout

Parellada, G. H.; Rusch, G., 1989: Economies of scale and production response in Argentinian dairy farms: some evidence for the formulation of sectoral policies

Grabowski, R., 1988: Economies of scale in agriculture and the ray-homothetic production function: an empirical illustration from the Philippines

Umemoto, M., 1992: Economies of scale in rice production

Goetz, S. J., 1992: Economies of scope and the cash crop-food crop debate in Senegal

Hallam, A., 1991: Economies of size and scale in agriculture: an interpretive review of empirical measurement

Belete, A., 1990: Economies of size for peasant associations: a case study from the central highland areas of Ethiopia

Norring, N. P., 1990: Economies of size in Danish agriculture

Dhavalag, S. A.; Kulkarn, G. N.; Biradar, D. P.; Hunshal, C. S., 1990: Economisation of irrigation water and soil moisture depletion pattern in sunflower

Rahman, M. A.; Gaffer, M. A., 1990: Economizing cost in jute production through cultural practices

Sedlmeier, J., 1991: Economizing on pesticides through the use of mechanical procedures - practical experiences

Heal, G., 1991: Economy and climate: a preliminary framework for microeconomic analysis

Shaver, F. M.; Reimer, B., 1991: Economy and household: the gender-based division of labor on Quebec farms

Balgheim, R.; Schlosser, E., 1991: Economy of fungicide treatments of winter barley in Hessen

Khvorova, L. S., 1990: Economy of seed during glucose crystallization

Toth, S., 1989: Economy of selection of geese for feather production

Gilibert, J., 1992: Economy of water and animal husbandry. Towards a more regional choice of forage species

Bhaid, S. B., 1990: Economy of water in small and medium size bagasse based paper mills: a practical approach

SriRamaratnam, S.; Narayan, P., 1991: Economy wide implications of pastoral sector supply responses to future market scenarios

Burniaux, J. M.; Martin, J. P.; Delorme, F.; Lienert, I.; Mensbrugghe, D. van der, 1990: Economy-wide effects of agricultural policies in OECD countries: AGE approach using the WALRAS model

Martin, J. P.; Burniaux, J. M.; Delorme, F.; Lienert, I.; Mensbrugghe, D. van der, 1989: Economy-wide effects of agricultural policies in OECD countries: simulation results with WALRAS

Barnouin, J., 1992: Ecopathological approach of the nutrition-induced health disorders in the dairy cow: from risk factors to aetiological mechanisms

Vasu, A.; Neacsu, M.; Dulvara, E.; Daniliuc, D., 1990: Ecopedological characteristics of representative units of permanent grasslands of Romania with a view to substantiating the need for improving technologies

Pezeshki, S. R.; Delaune, R. D., 1991: Ecophenic variations in wiregrass (Spartina patens)

Peeters, A.; Moens, A.; Hendrickx, C.; Lambert, J., 1991: Ecophysiological and genetic characteristics of Elymus repens from the point of view of forage production. Bibliographic review

Abrams, Md; Kloeppel, Bd; Kubiske, Me, 1992: Ecophysiological and morphological responses to shade and drought in two contrasting ecotypes of Prunus serotina

Giordano, E.; Schirone, B., 1989: Ecophysiological aspects of Turkey oak in central and southern Italy

Valdes, M., 1989: Ecophysiological aspects of mycorrhizas

Donovan L.A.; Ehleringer J.R., 1991: Ecophysiological differences among juvenile and reproductive plants of several woody species

Tranquillini, W.; Plank, A., 1989: Ecophysiological investigations on beech (Fagus sylvatica) at various altitudes in the North and South Tyrol

Abrams, Md; Schultz, Jc; Kleiner, Kw, 1990: Ecophysiological responses in mesic versus xeric hardwood species to an early-season drought in central Pennsylvania

Ortega Santos, J. A., 1991: Ecophysiological responses of rhizoma peanut to grazing management

Patil, S. K.; Waghmode, A. P., 1989: Ecophysiological studies in Euphorbia geniculata Orteg

Kwesi, A. N.; Datta, S. K. de, 1989: Ecophysiological studies in relation to weed management strategies in rice

Duxbury, J. M., 1990: Ecophysiology and kinetics of denitrification in soils

Brown, K., 1988: Ecophysiology of Prosopis cineraria in the Wahiba Sands, with reference to its reafforestation potential in Oman

Fritzsche C.; Huckfeldt K.; Niemann E G., 1991: Ecophysiology of associative nitrogen fixation in a rhizosphere model in pure and mixed culture

Cloudsley Thompson, J. L., 1991: Ecophysiology of desert arthropods and reptiles

Plantevin, G.; Grenier, S., 1990: Ecophysiology of host-parasitoid relationships: synchronization of cycles of development

Ball, M. C., 1988: Ecophysiology of mangroves

Todaria, N. P., 1990: Ecophysiology of mountain plants - biochemical adaptation of photosynthesis and respiration

Van Bel A.J.E.; Gamalei Y.V., 1992: Ecophysiology of phloem loading in source leaves

Senock, R. S.; Barrow, J. R.; Gibbens, R. P.; Herbel, C. H., 1991: Ecophysiology of the polyploid shrub Atriplex canescens (Chenopodiaceae) growing in situ in the northern Chihuahuan Desert

San Roman, E., 1990: Ecophysiology of the relation between crops and weeds

Houvet, D.; Boge, G.; Peres, G., 1989: Ecophysiopathology of zinc in the marine medium. 1. Speciation and distribution of zinc in the marine medium. Perspective for living organisms

Ramirez G, C.; San Martin P, C.; Figueroa S, H.; MacDonald H, R.; Ferrada M, V., 1991: Ecosociological studies on the vegetation of the nadis in the Region Ten, Chile

Ramirez, C.; Figueroa, H.; San Martin, J., 1988: Ecosociology of Nothofagus in South America

Ramirez G, C.; San Martin P, C.; Contreras F, D., 1990: Ecosociology of coastal marshes of central southern Chile

Nimisha Pathak; Shashi Dhawan, 1989: Ecosystem and fungal growth

Matson P.A.; Vitousek P.M., 1990: Ecosystem approach to a global nitrous oxide budget

Thomas M.B.; Wratten S.D., 1990: Ecosystem diversification to encourage natural enemies of cereal aphids

Anonymous, 1991: Ecosystem experiments

Hauhs, M., 1990: Ecosystem modelling: science or technology?

Bruns D.A.; Wiersma G.B.; Rykiel E.J.Jr, 1991: Ecosystem monitoring at global baseline sites

Cernusca, A., 1991: Ecosystem research on grassland in the Austrian Alps and in the central Caucasus

Webber, E. C.; Deutsch, W. G.; Bayne, D. R.; Seesock, W. C., 1992: Ecosystem-level testing of a synthetic pyrethroid insecticide in aquatic mesocosms

Ghosh, D., 1991: Ecosystems approach to low-cost sanitation in India: where the people know better

Anonymous, 1990: Ecosystems of the world 15. Forested wetlands

Fennell, D. A.; Smale, B. J. A., 1992: Ecotourism and natural resource protection: implications of an alternative form of tourism for host nations

Crosby, A., 1992: Ecotourism in Mexico: Yucatan Peninsula: the Mayan Route

Williams, P. W., 1991: Ecotourism management challenges, prepared for the Travel Review Conference, Washington, DC, February 3, 1991

Boo, E., 1990: Ecotourism: the potentials and pitfalls, volume 1

Vogel, J.; Ottow, J. C. G., 1992: Ecotoxicity evaluation of different fluorides on Eisenia fetida (Oligochaeta, Lumbricidae)

Laborda, E.; Anton, F. A.; Cuadra, L. M., 1991: Ecotoxicological profiles: the need for evaluation

Fujimoto, F.; Kanbe, M.; Mizuno, K.; Higuchi, S., 1991: Ecotype populations of orchardgrass from Kanto region. I. Factors contributed to their differentiation

Christie, B. R., 1991: Ecotypes of white clover

Lee, H. K.; Moody, K., 1989: Ecotypic differentiation of Eclipta prostrata (L.) L. from the Philippines

Mikola, P., 1988: Ectendomycorrhiza of conifers

Fourie, LJ.; Vrahimis, S.; Horak, IG.; Terblanche, HJ.; Kok, OB., 1991: Ecto- and endoparasites of introduced gemsbok in the Orange Free State

Strinadkin, P. S.; Metelitsa, A. K.; Davletshin, A. N.; Tikhomirov, S. M.; Kononov, V. P.; Skosyrskikh, L. N.; Pashkevich, G. I., 1991: Ectomin (cypermethrin) for mange in animals

Suvercha K.G.M.; Arora D., 1991: Ectomycorrhiza

Wallander, H.; Nylund, J. E.; Sundberg, B., 1992: Ectomycorrhiza and nitrogen effects on root IAA: results contrary to current theory

Svenson S.E.; Davies F.T.Jr; Meier C.E., 1991: Ectomycorrhizae and drought acclimation influence water relations and growth of loblolly pine

Kropp B.R.; Langlois C G., 1990: Ectomycorrhizae in reforestation

Agerer, R., 1991: Ectomycorrhizae of Sarcodon imbricatus on Norway spruce and their chlamydospores

Bacchi, L. M. A.; Krugner, T. L., 1988: Ectomycorrhizal development in seedlings of Eucalyptus grandis and Eucalyptus urophylla inoculated with Pisolithus tinctorius in a commercial nursery

Chatarpaul, L.; Chakravarty, P.; Subramaniam, P., 1989: Ectomycorrhizal effects on nodulation, nitrogen fixation and growth of Alnus glutinosa as affected by glyphosate

Barrett V., 1991: Ectomycorrhizal fungi as experimental organisms

Acsai, J., 1989: Ectomycorrhizal fungi associated with Pinus edulis in the Piceance Basin of Colorado

Zang, M.; Chen, K. K., 1990: Ectomycorrhizal fungi associated with alpine conifers from south western China

Vieira, R. F.; Peres, J. R. R., 1990: Ectomycorrhizal fungi for Pinus spp. cultivated in soils from under cerrado vegetation

Wilson, J.; Ingleby, K.; Mason, P. A., 1990: Ectomycorrhizal inoculation of Sitka spruce; survival of vegetative mycelium in nursery soil

Ramaiah, K. S.; Perrin, R., 1990: Ectomycorrhizal inoculation of containerized Pinus nigra seedlings with four isolates of Laccaria laccata

Verma, N. K.; Shukla, R. P., 1989: Ectomycorrhizal status and growth of khasi pine (Pinus kesiya Royle ex. Gord.) in the soils of disturbed land of Cherrapunjee

Brunner, I. L.; Brunner, F.; Miller, O. K, Jr, 1990: Ectomycorrhizal synthesis with Alaskan Alnus tenuifolia

Taylor, A. F. S.; Alexander, I. J., 1991: Ectomycorrhizal synthesis with Tylospora fibrillosa, a member of the Corticiaceae

Horak, M., 1991: Ectomycorrhizas - effect of environmental factors and methodology for their characterization

Mwangi, L. M., 1989: Ectomycorrhizas and the growth of Pinus caribaea in the semi-arid and coastal areas of Kenya

Lehmann, T., 1992: Ectoparasite impacts on Gerbillus andersoni allenbyi under natural conditions

Lichtenstein, A. V., 1989: Ectoparasite infestations of the alpine marmot (Marmota marmota marmota Linne 1758) in the Berchtesgaden National Park

Koester, D. R.; Ryan, J. G., 1990: Ectoparasites and endoparasites in sexually transmitted diseases

Forbes, MRL., 1991: Ectoparasites and mating success of male Enallagma ebrium damselflies (Odonata: Coenagrionidae)

Guiguen, C.; Monnat, J. Y.; Launay, H.; Beaucournu, J. C., 1987: Ectoparasites from birds in Brittany. III - Ixodoidea

Murray, M. D.; Palma, R. L.; Pilgrim, R. L. C., 1990: Ectoparasites of Australian, New Zealand and Antarctic birds

Thomas, HH.; Whitaker, J O.; Jr.; Best, TL., 1990: Ectoparasites of Dipodomys elator from north-central Texas with some data from sympatric Chaetodipus hispidus and Perognathus flavus

Whitaker, J. O, Jr; Glendinning, J. I.; Wrenn, W. J., 1991: Ectoparasites of Sorex saussurei (Saussure's shrew) from Michoacan, Mexico

Wilson, Na; Telford, Sr Jr; Forrester, Dj, 1991: Ectoparasites of a population of urban gray squirrels in northern Florida

Medvedev, S. G.; Stanyukovich, M. K.; Tiunov, M. P.; Farafonova, G. V., 1991: Ectoparasites of bats of the Far East

Durden, LA.; Page, BF., 1991: Ectoparasites of commensal rodents in Sulawesi Utara, Indonesia, with notes on species of medical importance

Payne, W. R.; Oates, D. W.; Dappen, G. E., 1990: Ectoparasites of ring-necked pheasants in Nebraska

Gonzalez, C., 1988: Ectoparasites of sheep

Ismail, S.; Ho, T. M., 1989: Ectoparasites of some laboratory animals

Whitaker, J. O, Jr; Baccus, J. T.; Cleveland, A. G.; Gu, Y. M., 1990: Ectoparasites of some mammals from southern China

Doby, J. M.; Bigaignon, G.; Aubert, M.; Imbert, G., 1991: Ectoparasites of the fox and Lyme borreliosis. Research on Borrelia burgdorferi in ixodid ticks and fleas (Siphonaptera)

Smith, MA.; Whitaker, J O.; Jr.; Layne, JN., 1988: Ectoparasites of the round-tailed muskrat (Neofiber alleni) with special emphasis on mites of the family Listrophoridae

Acevedo, P., 1990: Ectoparasites of wild rabbits (Oryctolagus cuniculus) from the Juan Fernandez Archipelago

Anonymous, 1989: Ectoparasites on imported rhinoceroses

Schram, T. A.; Haug, T., 1988: Ectoparasites on the Atlantic halibut, Hippoglossus hippoglossus (L.) from northern Norway - potential pests in halibut aquaculture

Wilson, N.; Dietz, JM.; Whitaker, J O.; Jr., 1989: Ectoparasitic Acari found on golden lion tamarins (Leontopithecus rosalia rosalia) from Brazil

Saleh, S. M.; Kelada, N. L., 1987: Ectoparasitic Acari of some Egyptian rodents

Hong, H. K.; Shin, E. H., 1990: Ectoparasitic arthropods from domestic rodents in Incheon port

Aken' Ova, T. O.; Shotter, R. A., 1990: Ectoparasitic protozoans of the gills of Clarias sp

Fauth, P. T.; Krementz, D. G.; Hines, J. E., 1991: Ectoparasitism and the role of green nesting material in the European starling

Mills, CE.; McLean, N., 1991: Ectoparasitism by a dinoflagellate (Dinoflagellata: Oodinidae) on 5 ctenophores (Ctenophora) and a hydromedusa (Cnidaria)

Neira, P.; Goecke, I.; Gonzalez, W.; Munoz, N., 1987: Ectoparasitoses in school children of a rural area in the V Region - Valparaiso, Chile, 1986

Matthes, H. F.; Mutschmann, F.; Hiepe, T., 1991: Ectoparasitoses of cattle in the former districts of Erfurt, Potsdam and Schwerin

Schoning P.; Carlson V.D., 1992: Ectopic canine fetus simulating a teratoma

Jones, S. N.; Grompe, M.; Munir, M. I.; Veres, G.; Craigen, W. J.; Caskey, C. T., 1990: Ectopic correction of ornithine transcarbamylase deficiency in sparse fur mice

Costa, I. M. C.; Moreira, R. R.; Moraes, M. A. P. de, 1989: Ectopic cutaneous Schistosoma mansoni

Tornieporth, N. G.; Disko, R.; Brandis, A.; Barutzki, D., 1992: Ectopic enterobiasis: a case report and review

Kallenberg, G. A.; Pesce, C. M.; Norman, B.; Ratner, R. E.; Silverberg, S. G., 1990: Ectopic hyperprolactinemia resulting from an ovarian teratoma

Gameel A.A.; Ramadan R.O.; Dafalla E.A., 1992: Ectopic mammary tissue in the vulva of goats

Okonofua, F. E.; Ojo, O. S.; Odunsi, O. A.; Odesanmi, W. O., 1990: Ectopic pregnancy associated with tubal schistosomiasis in a Nigerian woman

Baker, M. D.; Read, L. R., 1992: Ectopic recombination within homologous immunoglobulin micro gene constant regions in a mouse hybridoma cell line

Tabar, J. J.; Rodriguez Garcia, M. D.; Rodriguez Garcia, J. F.; Rodriguez Garcia, M. C., 1991: Ectopic ureter in the dog: a report of two clinical cases

Doggart, C., 1992: Ecuador

Castillo T, R., 1991: Ecuador establishes new Department of Plant Genetic Resources

Alig, R. J.; Ingram, C. D., 1988: Ecuador's competitiveness in forest products: some multi-country comparisons

Yutskovskii, A. D.; Fedotov, V. P., 1991: Eczematous reaction in patients with exudative athlete's foot

Silva, L. F. da, 1988: Edaphic changes caused by planting forest species in tabuleiro (Haplorthox) soils in the south of Bahia

Diaz Gonzalez, T. E.; Penas Merino, A.; Lopez Pacheco, M. J.; Herrero Cembranos, L.; Perez Morales, C.; Llamas Garcia, F.; Terron Alfonso, A., 1990: Edaphic characterization of nitrophilous grassland and ruderal communities in the province of Leon (NW Spain)

Sanchez Palomares, O.; Elena Rossello, R.; Carretero Carrero, M. P., 1990: Edaphic characterization of the native forests of Pinus nigra in Spain

Yaroslavtsev, G. D.; Kazimirova, R. N., 1988: Edaphic conditions and the growth of Sequoiadendron giganteum in the Crimea


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