998 resultados para Soil dust

Rational soil utilization and soil degradetion control in tropical china

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Soil erosion and its control in southers china

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Ecological enironment and integrated exploitation of the red soil hilly region

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The role of nitrate N and potash in quality tobacco productions in red soil in

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Micromorphological study with special reference to soil polygenesis of xizang...

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Proceedingd of symposi m on paddy soil

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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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