沙质草地3种植物群落土壤有机碳氮密度特征
武雅琳, 赵学勇, 张蕊

Characteristics of soil organic carbon and nitrogen density in three plant communities of sandy grasslands
Yalin Wu, Xueyong Zhao, Rui Zhang
图9 土壤碳氮密度影响因子的重要性排序
注:BD、SA、ST、CL、TP、TK、C∶N、C∶P、C∶K、N∶P、N∶K、P∶K分别代表土壤容重、土壤砂粒含量、土壤粉粒含量、土壤黏粒含量、全磷含量、全钾含量、碳氮比、碳磷比、碳钾比、氮磷比、氮钾比、磷钾比
Fig.9 Importance ranking of factors affecting soil carbon and nitrogen density