1000 resultados para Soil simpling

Long-rang effect of electric charge of ion-exchange resion and soil on potential of ion-selective electrodes

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Long-rang effect of electric charge of ion-exchang resin and soil on potential of ion--selective electrodes

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Bound trifluralin residues in soil and their effects on crops

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Study on degradation and binding of trifluralin in soil

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Denitrifying bacteria of soils in red soil region

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Forms and transformation of soil phosphorus and the effective application of...

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Fertilizer application food production and changes in soil fertility through...

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History of soil science in China

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

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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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