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Общее количество найденных документов : 19619
Показаны документы с 1 по 20
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1.
| Darke Arlene K. Estimating non-crystalline and crystalline aluminum and iron by selective dissolution in a riparian forest soil // Commun. Soil Sci. and Plant Anal., 1994. Vol. 25, N 11-12.-С.2089-2101
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| Agarwal S. Soil potassium as affected by long-term fertilizers and cropping with rice-wheat-cowpea rotation on a mollisol // J. Indian Soc. Soil Sci., 1993. Vol. 41, N 2.-С.387-388
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| Sanchez-Camazano M. Lead and cadmium in soils and vegetables from urban gardens of Salamanca (Spain) // Sci. Total Environ., 1994. Vol. 146-147.-С.163-168
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| Patel M.L. Effect of farmyard manure and NPK fertilizers on bulk density of deep black soil under rice-wheat-green gram rotation // Gujarat. Agr. Univ. Res. J., 1993. Vol. 18, N 2.-С.109- 111
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| Tchuenteu F. Soil and plant analysis in Cameroon // Commun. Soil Sci. and Plant Anal., 1994. Vol. 25, N 9-10.-С.1527- 1536
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| Noordwijk Roots as sinks and sources of carbon and nutrients in agricultural systems // 15th World Congr. Soil Sci., Acapulco, July, 1994. -Mexico, 1994. Commiss. 3. Symp., Vol. 4а.-С.49-50
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| Singh Foliar analysis as a supplement to soil tests to diagnose the nutrient status of wheat // J. Indian Soc. Soil Sci., 1993. Vol. 41, N 2.-С.274-277
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| Sharma S.R. Critical limit of available phosphorus for wheat in Typic Torripsamments of Rajasthan // J. Indian Soc. Soil Sci., 1993. Vol. 41, N 2.-С.381-382
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| Tompkins D.K. Influence of agronomic practices on canopy microclimate and septoria development in no-till winter wheat produced in the Parkland region of Saskatchewan // Can. J. Plant Sci., 1993. Vol. 73, N 1.-С.331-344
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| Selles F. Spring wheat yield trends in long-term fertility trials // Can. J. Plant Sci., 1993. Vol. 73, N 1.-С.83-92
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| Singh Determination of critical level of available soil phosphorus for maize // J. Indian Soc. Soil Sci., 1993. Vol. 41, N 3.-С.501-503
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12.
| Griffith W.K. Improved nutrient efficiency and organic matter build-up // Better Crops with Plant Food, 1994. Vol. 78, N 2.-С.6-7
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| Sekhon N.K. The influence of soil redox conditions and root and shoot growth characteristics in rice (Oryza sativa) // Proc. Indian Nat. Sci. Acad. B., 1993. Vol. 59, N 6.-С.601-606
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14.
| Mongia A.D. Management of two acid sulphate soils for low land rice production // J. Indian Soc. Soil Sci., 1993. Vol. 41, N 2.-С.400-402
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15.
| Задорин А.Д. Зернобобовые как фактор энергосбережения полеводства // Аграр. наука, 1994, N 2-3.-С.23-24
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16.
| Comparison of soil tests for predicting boron deficiency and response of pea to boron application on acid alfisols // J. Indian Soc. Soil Sci., 1993. Vol. 41, N 2.-С.321-325
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| Evaluation of some soil test methods for response to phosphorus by berseem // J. Indian Soc. Soil Sci., 1993. Vol. 41, N 1.-С.184-185
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18.
| Hooda P.S. The plant availability and DTPA extractability of trace metals in sludge-amended soils // Sci. Total Environ., 1994. Vol. 149, N 1-2.-С.39-51
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| Ефремов В.Ф. Урожай и качество картофеля // Земледелие, 1994, N 3.-С.18-19
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20.
| Hariprakasa Rao M. Critical levels of available N, P, and K for different vegetable crops in an alfisol // J. Indian Soc. Soil Sci., 1992. Vol. 40, N 4.-С.860-861
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