温棚烟雾剂使用四注意一、注意施用时间。由于在太阳照射下，作物植株表面温度与烟雾剂颗粒温度相同，药剂不易在蔬菜上沉积，易脱落影响药效。因此，在日落后施放为宜。二、注意施入方法。烟雾剂在温棚内应均匀摆放。点火时要按由里往外的顺序用暗火点，着火冒烟后密闭大... Greenhouse smoke agent to use four attention First, pay attention to the application time. As in the sun, crop plant surface temperature and aerosol particles the same temperature, the drug is not easy to deposit on vegetables, easy to fall off affect the efficacy. Therefore, the release after sunset is appropriate. Second, pay attention to methods. Aerosol in the greenhouse should be evenly placed. Ignition time by the dark fire point, the smoke after the closed airtight big ...