按照经济有效安全而操作简便的原则,我们在涪陵市仁义乡以常用除草剂在前作水稻的沙壤土小麦田(品种“蜀万761”)进行了化学除草大区对比试验,药剂有25％扑草净可湿剂,50％西玛津可湿剂:五二扑和50％丁草胺乳油,加对照5个处理,每处理一大区,面积0.01-0.02亩,随机排列重复3次。以上药剂亩用量分别为100、100、250克和150毫升,对照等量清水,每亩均为50公斤喷雾,11月 In accordance with the principle of cost-effective and safe operation and simple operation, we carried out a comparative study on chemical weeding in a conventional wheat weed (“Shuwan 761”), a common herbicide, in Renyi Township, Fuling City, with 25% Net wettable agent, 50% Simazine wettable agent: Fifty two flutter and 50% Butachlor EC, plus control five treatment, each processing a large area, an area of ​​0.01-0.02 acres, randomly arranged three times. The amount of the above medicaments were 100, 100, 250 grams and 150 milliliters, respectively, the same amount of control water, 50 kilograms per mu spray, November