355 resultados para Soils, Salts in.

Voltammetric determination oof rducing substances in paddy soils

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Oxidation-reduction regime in soils of tropical and subtropical china and their

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Reducing substances and their ecological effects in paddy soils

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Cation retention in red soils of the tropicshina

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

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

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Salt affected soils and their improvement and utilization in the Huang-Huai-Haip

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Alkaline soils and their improvement in Huang-huai-hai plant of china

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Alkaline soils in China

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Tillage problems of paddy soils derived from red earth in hilly regions

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A comparative study on methods of tillage of paddy soils in Taihu lake region

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Classification on salt-affected soils in china

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SSoil nitrogen supply and the effciency of nitrogen fertilizer in paddy soils

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Role of nitrate N and potash in quality tobaceo production on red soils in south

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Distribution of iron and mangancese in rhizosphere soils as related to plant upt

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