Biblioteca Digital

417 resultados para Organic adubation

Effect of heavy applications of organic residues on the physical properties of

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Organic matter and nitrogen contents of soils as influenced by management

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Radiocarbon dating of organic matter fractions of a chinese mollsol

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Adsorption and oxidation of organic reducing substances by soils

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Organic reduction of iron and manganese oxides in relation to tertility of paddy

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Organic reduction of iron and manganese oxides in relation to tertility of paddy

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Effect of water conditions and organic matter on modulus of rupture of paddy soils

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On the characteristics of Fe-organic coating in paddy soils

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On the content and characteristies of soil organic matter in south China

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Properties and interactions with soils of organic reducing substances produced by the anaerobic decomposition of milk vetch

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Comparison of effects on soil fertility and growth of rice and wheat between organic manure and chemical fertilizer

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Effect of submerged condition on the composition and properties of organic matter in soil

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Relationship between groundwater table and the improvement of paddy soil structure by applying organic materials

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Organic acid accumulation under flooded soil conditions in relation to the incorporation of wheat and rice straws with different C : N ratios

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Organic acid accumulation under flooded soil conditions in relation to the incorporation of wheat and rice straws with different C : N ratios

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