Biblioteca Digital

336 resultados para Cong shu.

Fate of N from green manures and ammonium sulfate

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Natural nitrogen-15 abundance of ammonium nitrogen and fixed ammonium in soils

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Studies on oxidation states of cobalt extracted from soil with EDTA.HOAC.NH4OAc

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Inhibitory effect of salinity upon leaf area development and carbon assimilation

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Decomposition of pig manure and its effects on organo-mineral complexes

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Organic reduction of iron and manganese oxides in relation to tertility of paddy

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Sulphur content and distribution in paddy soil of sounth china

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A study on crop responses to fertilizer sulphur on red soils in china

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Sulphur status and crop response in paddy soils of China

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Organic reduction of iron and manganese oxides in relation to tertility of paddy

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Sulphur content and distribution in paddy soil of sounth china

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A study on crop responses to fertilizer sulphur on red soils in china

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Sulphur status and crop response in paddy soils of China

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Chemical equilibria of sulfides as studied with a hydrogen sulfide sensor

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Decomposition of plant materials in relation to their chemical composition in paddy soil

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