通常情况下,防治害虫常用化学药剂,但由于使用的杀虫剂品种较单一,导致害虫的抗药性增强,造成防治时加大浓度,减少两次施药的间隔期;增加施药次数,进而使产品中残留农药积累。利用以下自制的药剂防治害虫不但杀虫效果好,而且经济、简单易行,对人畜安全。 1.辣椒水:用1公斤辣椒加水30公斤,煮沸后再炖30分钟, Normally, pest commonly used chemical agents, but the use of a single species of insecticide, resulting in enhanced pest resistance, resulting in increased concentration control, reducing the interval between two applications; increasing the number of applications, and thus The product of residual pesticide accumulation. The use of the following homemade pesticides not only insecticide control effect, but also economical, easy, safe for humans and animals. 1 pepper water: 1 kg of pepper add water 30 kg, boil and then stew for 30 minutes,