荒漠河岸林区3种典型植物群落下土壤碳氮含量特征

陈雨晴, 席海洋, 程文举, 赵欣悦

Characteristics of soil carbon and nitrogen change in three typical plant communities in desert riparian forest area

Yuqing Chen, Haiyang Xi, Wenju Cheng, Xinyue Zhao

图5 土壤碳氮含量与理化性质相关性 C为碳含量，N为氮含量，pH为pH值，Ec为电导率，BD为土壤容重，SW为含水量，OM为有机质含量，TP为总磷含量，AN为碱解氮含量，AP为速效磷含量，AK为速效钾含量；**表示显著性P<0.01，*表示显著性P<0.05

Fig.5 Correlation between soil carbon and nitrogen content and physicochemical properties