河西走廊绿洲农业水生产力提升的途径与对策
任珩, 赵文智, 杨荣, 杜泽玉

Pathway and countermeasures to improve agricultural water productivity in oasis of Hexi Corridor
Heng Ren, Wenzhi Zhao, Rong Yang, Zeyu Du
图4 2019年河西走廊绿洲耕地质量
Fig.4 The cultivated land quality in Hexi Corridor oasis in 2019