Biblioteca Digital

176 resultados para neutral red retention assay

Present methods of fertilization for the red soil in south china

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On the classification and utilization of red soils in tropical and subtropical..

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Proceedings of Inter.Sym.on management and deelopment of red soils in Asia and

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Ecological enironment and integrated exploitation of the red soil hilly region

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The role of nitrate N and potash in quality tobacco productions in red soil in

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Proceedings of the internations symposium on red soils

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Adsorption characteristies of red soils in china

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Physico-chemical properties of red soils of china

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Cinsequence of adsorption of sulfate by acid red soils

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Electrokinetic properties of colloids of main types of red soils in china

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Surface chemical properties of red soils and their fertility significance

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Tillage problems of paddy soils derived from red earth in hilly regions

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Role of nitrate N and potash in quality tobaceo production on red soils in south

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

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Effectiveness of partially acidulated phosphate rock in red earth area of china

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