生物结皮演替对黄土高原水蚀风蚀交错区土壤氮素转化及微生物活性的促进效应
焦冰洁, 张丙昌, 赵康, 闫丽霞, 武志芳

Promoting effect of biological soil crusts succession on soil nitrogen transformation and microbial activity in water-wind erosion crisscross region of Loess Plateau
Bingjie Jiao, Bingchang Zhang, Kang Zhao, Lixia Yan, Zhifang Wu
表1 生物结皮层土壤养分与微生物数量的相关性分析
Table 1 Correlation analysis of soil nutrients and microbial biomass in the biological soil crusts
土壤养分细菌真菌放线菌微生物量碳(MBC)微生物量氮(MBN)
有机碳(SOC)0.423*0.192-0.0410.610**0.421*
全氮(TN)0.2060.516*0.0030.3860.246
铵态氮(NH4+-N)0.0030.1340.0730.1200.409*
硝态氮(NO3--N)-0.1410.2080.0090.447*0.599**
碳氮比(C/N)-0.066-0.232-0.027-0.288-0.326