Journal of Northern Agriculture ›› 2016, Vol. 44 ›› Issue (3): 81-81.
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ZHI Rui ,ZHI Yuhang, WANG Xiannv, MU Ka (1.Guyang Seed Administration Station, Guyang 014200, China; 2.Turned Right Banner Agricultural Technology Extension Center, Sarahqi 014100,China; 3.Turned Left Banner Agriculture Bureau,Chasuqi 010100,China;4.Xilingol League Chuanglv Environmental Supervision Company,Xilinhot 026000,China).