粉尘施药技术是近年来在保护地推广的一项先进喷雾技术。所谓粉尘施药技术，就是将药剂及其辅料加工成颗粒极细的超微粒粒，通过喷粉的方法将超微农药粉粒在棚（室）内形成飘尘，并使其在空中悬浮较长时间，由于粉粒的飘翔而在蔬莱植株上均匀地、多向地扩散沉积，达到防病... Dust application technology is an advanced spray technology promoted in protected areas in recent years. The so-called dust application technology, that is, the agents and their processing into fine particles of ultrafine particles, the method of dusting by ultrafine pesticide particles in shed (room) to form a floating dust, and make it in the air longer suspension Time, due to the flying of the powder in the vegetable plants in the uniform, multi-directional diffusion deposition, to prevent disease.