Zhu, Yan-fang
Wu, Yu-xia
Hu, Ya
Jia, Xu-mei
Zhao, Tong
Cheng, Li
Wang, Yan-xiu
Funding for this research was provided by:
Lanzhou Science and Technology Bureau Program (No.2015-3-76)
Project of Forestry Department of Gansu Province (No.GSLT2016-1)
Article History
Received: 21 May 2018
Revised: 10 April 2019
Accepted: 16 April 2019
First Online: 27 April 2019