Biblioteca Digital

1000 resultados para alkali soils

Direct determination of potassium-calcium activity ratio in soils with two ion-

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Direct determination of potassium-calcium activity ratio in soils with two ionII

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Stability of Mn(II) complexes in soils as determined by a voltammetric method

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Proceedings of Inter.Sym.on management and deelopment of red soils in Asia and

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Proceedings of the international workshop on a classification and management of arid-desert soils

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Physical chemistry of paddy soils

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Proceedings of the internations symposium on red soils

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Soils of China

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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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Some charactcristics of high fertility paddy soils

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Biogeochemictry characteristics of redox regimes in soils and their ecological effects

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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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