soil humin土壤胡敏素
humin composition胡敏素组成
humin substances腐黑物
crude humin粗胡敏素
Soil humin composition土壤胡敏素组成
Iron-linked humin铁结合胡敏素
mineral-bound humin和矿质态胡敏素;矿质态胡敏素
goethite and humin针铁矿
clay-combined humin粘粒结合胡敏素
Effect on humin carbon of soil. The whole of content of soil humin carbon of combing organic fertilizer and NPK increased 31.2%90.3% compared to CK, and annual increasing rate of 1.5（M1+NPK） and M2+NPK treatments were 0.80g/kg and 1.21g/kg.
3.对土壤胡敏素碳的影响。
参考来源 - 长期施肥条件下黑土有机碳库和氮库变化研究Humin is a fraction of soil humic matter that can not be extracted either with alkali or with acid.
土壤胡敏素又是土壤腐殖物质中的重要组成部分，且在任何pH条件的水溶液中都是不溶的。
参考来源 - 土壤胡敏素的结构特征及其对多环芳烃（菲）吸附、解吸机理的研究