在目前的农资销售比例中,除草剂所占的份额越来越大,主要是因为农村大部分家庭缺少劳动力,除草剂使用起来方便,可以省力、省工、省时,另外,除草剂价格相对便宜,农民基本可以接受。现在农村大量劳动力外出打工,农村有些土地被迫闲置,或者粗放式管理,结果那些土地杂草丛生、毫无生机,也给周围土地带来了影响。随着这些情况的出现,现在的粮食 In the current proportion of agricultural sales, the growing share of herbicides is mainly due to the lack of labor force in most rural families, the ease of use of herbicides, labor saving, labor-saving and time-saving. In addition, the price of herbicides Relatively cheap, farmers basically acceptable. Now that a large number of rural migrant workers go out for work, some of the rural land is left vacant or extensively managed. As a result, the weeds are overgrown and have no effect on the surrounding land. With the advent of these conditions, the present food