随着人们生活水平的提高，对蔬菜品质要求越来越高，吃蔬菜中毒的事件有过发生，这就要求广大菜农在生产蔬菜过程中，尽量不用化学药剂杀虫。今把几种常见植物源杀虫剂的制取介绍给菜农朋友们，它们具有取材方便，成本较低，无污染，对蔬菜无伤害等优点，是生产无公害及绿色食? As people’s living standards improve, the quality of vegetables is getting higher and higher, eating poisoning events have occurred, which requires the majority of vegetable farmers in the production process, as far as possible without chemical pesticides. Now introduce the preparation of several common botanical insecticides to farmers, they have the advantages of easy access, low cost, no pollution, no harm to vegetables, etc., is the production of pollution-free and green food?