近些年来玉米田使用化除的面积不断扩大,同时也因人为或天气和施用技术的影响,加上玉米植株对除草剂较为敏感,特别是苗后施用除草剂,更是要讲究药剂的选择,与合理的施用方法相配合,尽量避免或减轻对玉米的危害。施药时要分清品种,不要盲目用药。现在的玉米苗后除草剂大多是含有烟嘧磺隆的成分,一些品种对该成分敏 In recent years, the use of chemical fertilizers in corn fields has been expanding. At the same time, due to the influence of man-made or weather and application technologies, corn plants are more sensitive to herbicides. In particular, the application of herbicides to post-emergence plants should pay more attention to the choice of medicaments , Cooperate with the reasonable application method, try to avoid or reduce the harm to corn. When applying to distinguish between varieties, do not blindly medication. Most post-emergence herbicide of corn contains nicosulfuron-based ingredients, and some varieties are sensitive to the ingredient