土壤腐殖质(soil humus)：一种结构复杂、抗分解性强的棕色或暗棕色无定形胶体物，是 土壤微生物利用植物残体及其分解产物重新合成的高分子化合物。
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soil humus chemistry [土壤] 土壤腐殖质化学
humus soil 腐殖土 ; 腐殖质土壤 ; 腐植土 ; 腐植质土
forest soil humus 森林土壤腐殖质
soil humus fraction 土壤腐殖质组成
soil humus composition 土壤腐殖质组成
carbon of soil humus 土壤腐殖碳
thickness of soil humus 腐殖质层厚度
humus carbonatic soil 腐殖质碳酸盐土
composition of soil humus 土壤腐殖质组成
HA/FA showed the composition of soil humus which was mostly below 1.0, this meant humus was mainly composed of FA.
土壤腐殖质组成：HA／FA大多小于1.0，即一般以富里酸（FA）为主。
参考来源 - 西藏土壤有机质和氮磷钾状况及其影响因素分析·2,447,543篇论文数据，部分数据来源于NoteExpress
It is advantageous to release the nutrients to accumulate and form the soil humus.
有利于土壤养分的释放及腐殖的形成和积累；
It would be important to increase soil humus content to alleviate the pollution and enhance the soil self-purification.
提高土壤腐殖质含量是减轻污染危害及增强土壤自净能力的重要措施。
This paper studied the effects of different crop stubbles put in soil on soil humus by cultural experiment of churnozem.
通过黑钙土的培养试验，研究了不同作物根茬施入土壤后对土壤腐殖质的影响。
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