157 resultados para Fertility of soil

Improvement of soil physical properties with soil condition

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

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Mineral composition of soil colloids and its bearing on the genesis and classifi

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On the status of soil potassium and the sequence of transformation of potassiumb

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The processes and regionalization of soil salinization and alkalization in china

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Salient characteristics of soil-forming processes in Xizang (Tibet)

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Lime potential of soil as directly measured with two ion-selecctive electrodes

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A study on the micromorphological features in relation to fertility of paddy soi

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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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Secondary alkalization of soil in Huang-Huai-Hai plain

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The condition and status of soil potassium and the application of potassium...

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Micromorphological features as the indication of the fertility of paddy soils

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Problems of soil erosion and soil degradation in the red soil region of china

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Problems of soil erosion and soil degradation in the red sil region of china

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