Biblioteca Digital

997 resultados para soil column

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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