998 resultados para Soil carbohydrates

A preliminary study on properties of organo-mineral complex of paddy soil...

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Cropping system in relation to fertility of paddy soil in china

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Fertility of paddy soil and its effect on rice and wheat

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The Characteristies of hydrous oxide-type surface and its distinction in soil pa

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Some new electrochemical methods in soil and water research in the field

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Electrochemistry of ions at the soil colloid-soil solution interface of variable

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Characteristies of soil acidity of paddy soils in relation to rice growth

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Influence of soil submergence on potassium-calcium activity ratio as measured...

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Physico-chemical properties of Oxisols and ultsols on relation to soil managemen

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Improvement and utilization of salt affected soil in Huang-Huaihai Pain

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Salinization characteristics of uncropped soil in the southern piedmon plain of the tianshan mountains

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Secondary alkalization of soil in Huang-Huai-Hai plain

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Prediction of impacts of large-scale water conservancy projects on soil saliniza

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Soil sulphur status and sulphur fertilizer requirement

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Preliminary studies on soil sulphur in china

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