北方农业学报 ›› 2017, Vol. 45 ›› Issue (2): 99-99.
薛艳君[1];崔世茂[1];郝斌奎[2];贺楠[3]
XUE Yanjun1, CUI Shimao1, HAO Bingkui2, HE Nan3 (1.Agricuhural College, Inner Mongolia Agricultural University, Hohhot 010020, China; 2.Baotou Jiuyuan District Agricultural Technology Extension Center, Baotou 014060,China; 3.Baotou Jiuyuan District Agricultural Machinery Services Center, Baotou O14060,China)