Smoke also known as fumigants, aerosols. Disease prevention and pest control in greenhouses to check well before using aerosol Roof, make up a good loophole, so Roof tightly closed greenhouses dedicated Luoyang smoke, the more tightly the better prevention. 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 the greenhouses dedicated smoke in the sunlight, the plant surface temperature were the same as the temperature of smoke particles in Zhejiang greenhouses dedicated smoke, smoke less deposit and affect the efficacy. Smoke Use: dose and frequency of administration. Control of the administered dose and frequency of pesticide smoke is also very critical, the administered dose is too small or too rarely are lower than the control effect, while administered dose is too large or too many times in turn likely to cause injury. Production of fertilizer should be determined according to the size of the studio room space, the extent of pests and diseases, the active ingredient content of smoke factors.