Study on the Effects of Different Vegetation Restoration Model son Soil Remediation Yijie Dong, Yuanyuan Luo, Jinbiao Li, Shanqiao Deng and Zhiyang Zheng E3S Web Conf., 245 (2021) 02027 Published online: 24 March 2021 DOI: 10.1051/e3sconf/202124502027