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粉尘剂是针对保护地的特定环境条件,把农药加工成具有一定细度的固体粉剂,是介于农药可湿性粉剂和烟熏剂发烟以后的烟尘之间的药剂粉粒,类似空气中的尘埃。用喷粉器喷施,使粉尘颗粒在保护地空间形成飘尘,长时间地悬浮弥漫并均匀沉落在植株各部位上,作业人员不必进入作物行间喷药,具有节水、省工、省力、省药,又不受气候条件限制,对棚膜要求不严格等特点。防效比喷药液防治提高10%~20%。
Dust agent is for the protection of the specific environmental conditions, the processing of pesticides into a solid powder with a certain degree of fineness, is between the pesticide wettable powder and fumigant fumes after the pharmaceutical powder, similar to the air dust. Spraying with the duster, the dust particles form a floating dust in the protective space, floats for a long time and floats evenly on the various parts of the plant, the workers do not have to enter the spraying between the crops and has the advantages of water saving, labor saving and labor saving , Provincial medicine, but also not subject to climatic conditions, the film on the film is not strict and so on. Anti-efficiency spray liquid prevention and control increased by 10% to 20%.