[1] West Anhui Univ, Sch Environm & Tourism, Luan 237012, Peoples R China
[2] West Anhui Univ, Anhui Engn Res Ctr Ecoagr Tradit Chinese Med, Luan 237012, Peoples R China
[3] West Anhui Univ, Lib, Luan 237012, Peoples R China
[4] Guangdong Acad Agr Sci, Inst Agr Resources & Environm, Guangzhou 510640, Peoples R China