由于蔬菜大棚,温室等设施技术的快速发展,为城乡人民生活提供了十分丰富的蔬菜品种,但温室特殊的环境也给蔬菜病虫害孳生繁殖提供了有利条件,在生产中蔬菜病虫害发生及危害程度明显增加,目前己成为设施蔬菜生产的重要障碍。据调查尖扎县一般年份减15%左右,流行年份减40%以上。为减轻菜农经济损失,现将几种优质无公害蔬菜栽培技术要点介绍如下: Due to the rapid development of facilities such as greenhouses and greenhouses, it provides a rich variety of vegetables for urban and rural residents. However, the special environment of greenhouses also provides favorable conditions for the breeding of pests and diseases of vegetables. The occurrence and harm of pests and diseases in vegetables are obvious The increase has now become an important barrier to the production of vegetables in facilities. According to the survey Jian Ci County, the general year by about 15%, the popular year by 40% or more. To reduce the economic losses of vegetable farmers, now several high-quality pollution-free vegetable cultivation techniques are as follows: