近20年河北省几种高耗水作物的水分利用效率分析
史梦霞, 张佳笑, 石晓宇, 褚庆全, 陈阜, 雷永登

Water use efficiency of several water-intensive crops in Hebei province in recent 20 years
SHI Meng-Xia, ZHANG Jia-Xiao, SHI Xiao-Yu, CHU Qing-Quan, CHEN Fu, LEI Yong-Deng
图5 1999-2018年河北省6种作物不同水分利用效率的年际间变化
Fig. 5 Interannual variation of water use efficiency of six crops in Hebei province from 1999 to 2018