干旱区研究
Drought characteristics and effects on grain production in Wuwei, Gansu Province
DING Wenkui,LI Xingyu,YANG Xiaoling,MA Zhonghua,LI Yanying
Arid Zone Research . 2022, (2): 656 -664 .  DOI: 10.13866/j.azr.2022.02.32