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Effect of excess boron fertilization on status and availability of boron in calcareous soils


, : Effect of excess boron fertilization on status and availability of boron in calcareous soils. Fertilizer Research 36(1): 71-78

Field experiments were conducted at Al-Qatif area in the eastern region of Saudi Arabia to study the status and availability of B under B fertilization regime in three types of calcareous soils and to evaluate the response of two alfalfa varieties, Hassawi (local variety) and Hyden (American variety), to increasing levels of added B. Boron was applied at 7 rates as Na-2B-4O-7 cntdot 10H-2O. Four cuttings were taken from each site at different intervals. Data showed that extractable B by hot-water and NH-4HCO-3-DTPA (8 days after borax application) was significantly (p lt 0.001) affected by soil type and B applications. The amount of B recovered by hot-water from the three soils, 200 days after borax application, was in the following order: sandy loam gt sandy clay loam gt clay loam. Total dry matter of alfalfa (4 cuttings) was significantly (p lt 0.05) affected by soil type, borax application rates and alfalfa variety. The critical level of B in plant as determined by Cate and Nelson analysis, ranged from 148 to 652 mg kg-1 dry matter for Hassawi cultivar and 138 to 521 mg kg-1 for Hyden cultivar in the first harvest. However, the upper critical levels for the 2nd, 3rd and 4th harvests were 800, 875 and 935 mg B kg-1 dry matter for Hassawi and 603, 723 and 812 mg B kg-1 for Hyden varieties, respectively. Nevertheless, the lower critical levels for 2nd, 3rd and 4th harvests ranged from 148 to 153 mg B kg-1 dry matter for Hassawi and 138 to 142 mg B kg-1 for Hyden.

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Accession: 002355486

DOI: 10.1007/bf00749950

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Kuroda, I.; Ueno, M.; Mitsuhashi, T.; Nakagawa, K.; Yanaihara, H.; Tsukamoto, T.; Deguchi, N., 2004: Testicular seminoma after the complete remission of extragonadal yolk sac tumor : a case report. Between 2% and 5% of malignant germ-cell tumors in men arise at extragonadal sites. Of extragonadal germ cell tumors, testicular carcinoma in situ (CIS) are present in 31-42% of cases, and CIS are reported to have low sensitivity to chemotherapy i...

Kurland G.; Leong A.B., 1986: The management of status asthmaticus in childhood. Gershwin, M E (Ed ) Bronchial Asthma: Principles Of Diagnosis And Treatment, Second Edition Xx+629p Grune And Stratton, Inc : Orlando, Fla , Usa (Dist in The United Kingdom By Grune And Stratton, Ltd : London, England) Illus 421-442

Teirstein, Paul S., 2001: Irradiation catheter and method of use. A catheter for use with a radioactive source within the catheter to irradiate a selected area of a blood vessel in combination with angioplasty procedures, to prevent restenosis of that area of the blood vessel. The catheter has a guidewire channe...

Eady R.P., 1980: Immunology in the nude rat. Sparrow, S. Mrc(medical Research Council) (great Britain) Laboratory Animals Centre Symposia, No. 2. Immunodeficient Animals For Cancer Research; Meeting, London, England, Feb. 15-16, . Xii 245p. Oxford University Press: New York, N.y., Usa. Illus. P67-80

Kumar, A.; Murray, D.L.; Havlichek, D.H., 2005: Immunizations for the college student: a campus perspective of an outbreak and national and international considerations. Although vaccine-preventable diseases have declined to record-low levels in the United States, infectious disease "epidemics" on college campuses continue. A large student body with variable immunization status makes a college campus fer...

Yount, W.C.; Loveless, D.M.; Craig, S.L., 2005: Strong means slow: dynamic contributions to the bulk mechanical properties of supramolecular networks. Angewandte Chemie 44(18): 2746-2748

Okada, Y.; Kôichi, S., 1992: Shimizu Kôichi (1873-1935): author of "A new textbook of general nursing and psychiatric nursing". Shimizu was employed as a male attendant at the Tôkyô Prefectural Mental Hospital at the age of 17. In wartime he worked as a member of a contingent of the Japan Red Cross Society. In 1897 he finished the one-year course of nursing at the Centra...

Muñoz, J.Carlos.; Atria, A.María.; Garland, M.Teresa.; Baggio, R., 2009: Three lanthanide complexes derived from itaconic acid and 2,2'-bipyridine. The structures of three new polymeric lanthanide complexes, poly[[bis(2,2'-bipyridine)-mu(4)-itaconato-di-mu(3)-itaconato-digadolinium(III)] tetrahydrate], {[Gd(2)(C(5)H(4)O(4))(3)(C(10)H(8)N(2))(2)].4H(2)O}(n), (I), poly[diaqua(2,2'-bip...

Wood, R.L.; Luft, J.H., 1963: The influence of the buffer system on fixation with osmium tetroxide. Jour Cell Biol 19(2): 83a

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