河西荒漠灌区紫花苜蓿施肥效应及其基于数据包络分析法的经济效益研究
吴勇, 刘晓静, 蔺芳, 童长春
A data envelopment analysis study of alfalfa fertilization responses and economic return in the desert irrigation area of Hexi
WU Yong, LIU Xiao-jing, LIN Fang, TONG Chang-chun
草业学报
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2020, (9): 94
-105
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DOI: 10.11686/cyxb2019504
