近年来,应用化学除草剂防除农田杂草省工、省时,除草效果好,给农业生产带来巨大的经济效益,但随着推广面积的扩大,每年都有一些农户由于不正确使用,而使作物产生药害,造成作物苗期僵而不发,重者草苗同归于尽,颗粒无收。为此,把使用除草剂产生药害的原因及对策分述如下: 一、产生药害原因 1.选错药剂 把禾本科作物除草剂(如麦田除草剂)用到油菜,蚕豆等阔 In recent years, the application of chemical herbicides to control weeds in farmland saves workers, saves time and improves weeding effect, bringing huge economic benefits to agricultural production. However, with the expansion of the area for promotion, some farmers are using incorrectly every year because Crop injury, resulting in stiff crop seedling not fat, heavy grass seedlings go all out, no crop particles. To this end, the use of herbicides cause injury and counter-measures are described below: First, the cause of injury causes 1. The wrong choice of chemicals Gramineous crops herbicides (such as wheat field herbicides) to rape, broad bean etc.