An, Hui
Tang, Zhuangsheng
Keesstra, Saskia
Shangguan, Zhouping
Funding for this research was provided by:
National Natural Science Foundation of China (31260125, 31660168)
Natural Science Foundation of Ningxia Province (NZ17004)
Article History
Received: 27 May 2018
Accepted: 20 June 2019
First Online: 1 July 2019
Competing Interests
: The authors declare no competing interests.