The content of methyl functional group of humus is an important index to evaluate the humification of soil.
胡敏酸甲氧基功能团的含量多寡是衡量土壤腐殖质化的重要指标。
3
The plant residue with more lignin has a higher humification coefficient. As the residue containing more N is more favorable to the formation of soil microaggregate.