CARBONO ORGÁNICO EXTRAÍDO POR SOLUCIONES SALINAS Y SU RELACIÓN CON OTRAS FORMAS DE CARBONO DE SUELOS TROPICALES ORGANIC CARBON EXTRACTED BY SALINE SOLUTIONS AND ITS RELATION TO OTHER SOIL CARBON FORMS IN TROPICAL SOILS

作者： Marcelo Lemos de Medeiros , Maurício Paulo Ferreira Fontes , Alessandro Costa da Silva , Eduardo de Sá Mendonça

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摘要: Physical and chemical aspects were used to separate the soil organic matter in different fractions directly related dynamic of nutrients soil. To this end, a methodology extract carbon (Corg) connected exchange sites tropical soils was developed; selecting best extractors, quantifying extracted C org from exchangeable (Cext), correlating it withothers C-forms. The submitted extraction by K 2SO4, KNO3 NaHSO4. Concentrations water soluble (WSC), mineralizable (Cmin), oxidizable (Coxid) fractioned compounds low molecular weight: fulvic and, humic acids humin Neutral salts

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CARBONO ORGÁNICO EXTRAÍDO POR SOLUCIONES SALINAS Y SU RELACIÓN CON OTRAS FORMAS DE CARBONO DE SUELOS TROPICALES ORGANIC CARBON EXTRACTED BY SALINE SOLUTIONS AND ITS RELATION TO OTHER SOIL CARBON FORMS IN TROPICAL SOILS

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CARBONO ORGÁNICO EXTRAÍDO POR SOLUCIONES SALINAS Y SU RELACIÓN CON OTRAS FORMAS DE CARBONO DE SUELOS TROPICALES ORGANIC CARBON EXTRACTED BY SALINE SOLUTIONS AND ITS RELATION TO OTHER SOIL CARBON FORMS IN TROPICAL SOILS

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