Soil organic matter is the product of microbial decomposition of plant and animal residues.

土壤有机质是微生物分解植物和动物残体的产物.

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Capacity measuration is the prevailing method of soil organic matter determination.

容量法是土壤有机质测定中普遍使用的方法.

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It had positive correlation with soil organic matter and CEC.

其吸附率与土壤有机质、CEC呈正相关.

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Surface soil organic matter contents of each plantation was higher than that of the control plot.

除念珠相思林以外,人工林表层土壤有机质含量均高于所在试验点的对照地.

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A major portion of the soil organic matter is from the added and residual vegetative material.

加进去的和残留下来的植物物质则是土壤有机质的主要来源.

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