Biblioteca Digital

970 resultados para Organic wastes as fertilizer.

Determining organic matter in paddy soils

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A study crop responses to fertilizer sulfur on red soil in China

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

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Role of Si-fertilizer in rice production in south china

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Effects of soil texture and CaCO3 on turnover of organic material in chao soils

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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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Release of soil nonexchangeable K by organic acids

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Fate of fertilizer nitrogen applicd to crops grown on fluvo-aquic soil in huang-

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Study on water-soluble organic reducing substances:I.

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Study on water-soluble organic reducing substances:II.

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Transformation of fertilizer-N in rhizosphere soil wheat

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Effect of organic menure on phosphors adsorption-desorption and availability in paddy soil derived from red earth

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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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K supplying power and fertilizer requirement of the main rice soil of china

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