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2 3种植物群落土壤机械组成特征 注：ASP代表黄蒿+禾本科群落；CMF代表小叶锦鸡儿+杂类草群落；ASGB代表沙米+狗尾草群落

Fig.2 Mechanical composition characteristics of soil in three plant communities