Smoke also known as fumigants, aerosols. Before using aerosol pest and disease prevention in the greenhouse to check the good Roof, make up a good loophole, so Roof closed tightly, more tightly control effect better. Time in the evening with aerosol Gallant Lianhou ignite as appropriate. In cloudy, light snow in the evening aerosol pest control and disease prevention is best. This is because in the sunlight, the plant surface temperatures are the same temperature in smoke particles, smoke less deposit and affect the efficacy. Smoke also known as fumigants, aerosols. Smoke dose Zhoukou farm sheds, farm sheds to the size of Zhejiang smoke, pests and diseases of greenhouse space in accordance with the degree of effective and aerosol content and decide Xinxiang farm sheds smoke, under normal circumstances, 30% chlorothalonil aerosols, 10% procymidone aerosol and 1 times the amount of 22% dichlorvos aerosol of 0.3% to 0.4% of grams per cubic meter. Serious pest or shed closed poor, may be appropriate to increase the amount. General application every 7 to 10 days, once every 2 or 3 times to receive good results.