使用水田除草剂应注意两点:一是针对田块的杂草比例,选择对路的品种.如丁草胺能有效地防除一年生禾本科杂草,禾大壮对稗草效果好,恶草灵和哌草津对多年生宿根性杂草效果明显等.二是施药方法和时期要得当,用量要准确.如恶草灵一定要在稻田拉平后有浅水层时施用,插秧后施用就易出现药害.丁草 The use of paddy field herbicides should pay attention to two points: First, the proportion of weeds for field plots, choose the right species, such as butachlor can effectively control annual gramineous weeds, Wo Dazhuang good effect on barnyard grass, evil grass Spirit and piperazin on perennial weed rooting effect is obvious, etc. Second, the application method and period should be properly, the amount should be accurate, such as evil spirits must be in the paddy field after leveling the shallow aquifer when applied, after transplanting easy to appear Traumatic injury