1. Shanxi Institute of Organic Dryland Farming, Shanxi Agricultural University, Taiyuan 030031, China
2. College of Agriculture, Shanxi Agricultural University, Taiyuan 030031, China
3. State Key Laboratory of Integrative Sustainable Dryland Agriculture (in Preparation), Shanxi Agricultural University, Taiyuan 030031, China
4. Key Laboratory of Sustainable Dryland Agriculture (Co-Construction by Ministry of Agriculture and Rural Affairs and Shanxi Province), Shanxi Agricultural University, Taiyuan 030031, China
5. Shanxi Province Key Laboratory of Sustainable Dryland Agriculture, Shanxi Agricultural University, Taiyuan 030031, China