Acta Agrestia Sinica
The Variation Characteristics of Heavy Metal Content,Nutrient and Enzyme Activity in Soil of Alpine Steppe with Different Degradation Gradient in the Three River-Headwaters Region
ZHOU Hui-cheng, ZHOU Heng, XIAO Hai-long, MA Yuan, Li Lin-zhi, ZHANG De-gang, CHEN Jian-gang
Acta Agrestia Sinica . 2020, (3): 784 -792 .  DOI: 10.11733/j.issn.1007-0435.2020.03.024