Biblioteca Digital

165 resultados para potassium levels

Potassium release on drying of soil samples from a variety of weathering regimes

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K-supplying potential of earths and rational application of potassium fertilizer

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Behaviour of potassium and trace element in rhizosphere of liue-cured tobacco(Nicotiana tabacum L.)

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Leaching of fertilizer ions in a red earth from repacked soil columns:I.leaching of calcium,magnesium and potassium

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Adsorption of potassium and sodium ions by variable charge soils

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Direct determination of potassium-sodium activity ratio in soil suspension with

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Effect of potassium nutrition of different arieties of rice on the redox status

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Distribution of exchangeable calcium magnesium and potassium as affected by fertilizer application to a red soil

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Potassium status and potassium fertilizer requirement of the soils in tropical..

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Potassium dynamics and avaibility in soils of subtropical(humid) region of China

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

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Nitrogen and potassium status in rhizosphere

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Potassium-release mechanism on drying soil

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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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