麦黄隆等防除麦田阔叶杂草试验初报魏野畴，袁占兵，马铭（酒泉地区农科所酒泉７３５０００）近几年来，由于２，４一Ｄ丁酯在麦田长期单一使用，其不利之处渐渐表现出来。首先是除草效果明显降低；二是生产上难以掌握适宜的用药期及用药量，常常造成小麦穗部畸形，产量降... Preliminary Report on Experiment of Controlling Broadleaf Weeds in Wheat Field by Wheat Huanglong et al Wei Yechuang, Yuan Zhanbing, Ma Ming (Jiuquan Agricultural Science Institute, Jiuquan 735000) In recent years, because 2,4-D butyl ester was used singly for a long time in wheat field, its disadvantages Gradually manifested. The first is the herbicidal effect was significantly reduced; the second is difficult to master the appropriate medication on the production and dosage, often resulting in wheat spikes deformity, yield drop ...