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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
Acta Prataculturae Sinica . 2020, (9): 94 -105 .  DOI: 10.11686/cyxb2019504

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