Biblioteca Digital

112 resultados para Management of Nebraska Soils

Effect of cropping system on the fertility of paddy soils

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General aspects of the soils in China

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Genetic characteristics of the soils in china

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Intensive cultivation of major soils in china

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Preliminary study on diagnostic horizons of allitic soils in china and their...

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The fertility,utilization and improvement of the soils in tropical and...

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Some chemical properties of paddy soils

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

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Physical chemistry of paddy soils

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Determination of PH of paddy soils in situ

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Adsorption characteristies of red soils in china

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Oxidation-reduction properties of paddy soils

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

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Physico-chemical properties of red soils of china

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

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