用烟雾剂防治大棚蔬菜病虫害是一种新的技术，是通过农药燃烧气化后凝成药烟雾粒防病灭虫，其使用方法如下。１．严密封闭棚体。在使用烟雾剂前必须彻底检查大棚的所有封闭物，补好漏洞，防止漏气，封闭越严密效果越好。２．确定用药时间。主要利用棚内气温和植物表层温度的最 The use of aerosols to control pests and diseases of greenhouse vegetables is a new technique that is used to prevent and control pests and diseases of coagulant smoke particles by burning and vaporizing pesticides. 1. Strictly closed shed. In the use of aerosols must be thoroughly checked before the closure of all the greenhouses to make up for loopholes to prevent air leaks, sealing the more closely the better. 2. Determine medication time. The main use of shed temperature and plant surface temperature of the most