降水量对半干旱沙质草地土壤胞外酶活性的影响

景家琪, 刘新平, 何玉惠, 丰洁, 胡鸿姣, 徐远志, 张尧

Influence of precipitation on soil enzyme activity in sandy grasslands

Jiaqi Jing, Xinping Liu, Yuhui He, Jie Feng, Hongjiao Hu, Yuanzhi Xu, Yao Zhang

图3 不同降水处理下土壤酶化学计量比特征 注：CK为自然降水对照组；P+60%、P+30%、P-30%和P-60%分别代表增加自然降水的60%、增加自然降水的30%、减少自然降水的30%以及减少自然降水的60%

Fig.3 Characteristics of soil enzyme stoichiometry under different precipitation treatments