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4 3种植物群落土壤化学计量比特征 |
Fig.4 Chemical metrology characteristics of soil in three plant communities |
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