Using the methods and precautions Smoke: Smoke conditions of use of pesticides principle is the active ingredient in smog as the carrier filled the air, and to the role of the target penetration aerosol insecticide manufacturer, and the smoke has a strong drift and diffusion. Cast Smoke preferably in the evening after sunset were, when the plant surface wetting aerosol insecticide manufacturers, easy to adhere to insecticide aerosol particles, and do not take up farming. Smoke using the methods and precautions: Smoke point after closed doors wholesale greenhouse aerosol insecticide immediately farming operation can be carried out after the morning full ventilation. In the rainy days during the day before the job quickly closed leaked four to six hours later after application. Smoke particles in the coating weight of the plant surface affect the control effect. Sunny noon direct sunlight, the plant surface is dry, the surface temperature of the smoke particles identical, smoke less deposit.