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施放烟雾剂防治温室、大棚蔬菜病虫害,操作简便,防效优于喷雾法。 (一)施药时间 在阳光照射下,植株的表层温度与烟雾剂颗粒温度相同,烟雾不易沉积,施药效果就会大受影响。所以,施放烟雾剂最好在傍晚日落后。 (二)施药方法 施放烟剂应多点均匀布放,燃放时应从棚室由里向
Application of aerosol prevention and control of greenhouse, greenhouse pests and diseases, easy to operate, anti-efficiency is better than the spray method. (A) spraying time Under sunlight, plant surface temperature and aerosol particle temperature is the same, the smoke is not easy deposition, the application effect will be greatly affected. Therefore, it is best to apply aerosol after sunset in the evening. (B) application method The agent should be more evenly distributed smoke, discharge should be from the studio to the inside