温室大棚烟雾剂用法温室大棚使用烟雾剂防治病虫害效果明显，优于药物喷雾、喷粉的方法，但在使用上必须注意以下几点：一、使用范围烟雾剂主要用于日光温室、塑料大棚及中小拱棚蔬菜的病虫害防治。棚面封闭越严，防治效果越好。二、用药时间傍晚盖草苫之后点燃最为适宜，... Greenhouse aerosol usage Greenhouse aerosol pesticide application obvious effect is better than drug spraying, dusting methods, but in the use of the following points must be noted: First, the scope of use Aerosol mainly for solar greenhouse, plastic greenhouse and Small Shed vegetable pest control. Shed surface more stringent, better control effect. Second, the medication time in the evening covered with grass 点 lit the most appropriate, ...