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JIA Songnan,FAN Fengcui,LIU Shengyao,LI Zhihong,ZHAO Nan,DU Fenghuan,ZHANG Zhe,WANG Helei,JIA Jianming,QIN Yong
1.Xinjiang Agricultural University, Urumqi 830052, China;2.Institute of Agricultural Information and Economic, Hebei Academy of Agriculture and Forestry Sciences, Shijiazhuang 050051,China
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