短期增温和降水减少对沙质草地土壤微生物量碳氮和酶活性的影响

王怀海, 黄文达, 何远政, 牛亚毅, 朱远忠

Effects of short-term warming and precipitation reduction on soil microbial biomass carbon， nitrogen and enzyme activity in sandy grassland

Huaihai Wang, Wenda Huang, Yuanzheng He, Yayi Niu, Yuanzhong Zhu

表2 短期增温和降水减少对沙质草地土壤微生物生物量碳MBC、微生物生物量氮MBN和MBC/MBN的影响

Table 2 The effects of short-term warming and precipitation reduction on soil MBC， MBN and MBC/MBN in sandy grassland

处理 df MBC/(mg·kg-1) MBN/(mg·kg-1) MBC/MBN F P F P F P T 1 9.040 0.008 5.033 0.039 16.713 0.001 W 3 1.597 0.229 6.398 0.005 4.576 0.017 T×W 3 13.521 <0.001 14.336 <0.001 0.627 0.068