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粉尘施药技术是一项在保护地上推广的先进喷雾技术。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粉粒,通过喷粉的方法使微农药粉粒在棚(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菜植株上均匀地向地面扩散沉积,达到防病治虫的效果。
Dust application technology is a state-of-the-art spray technology that is promoted on the ground. The so-called dust application technology, that is, the agents and their processing into fine particles of ultrafine particles, the method of dusting through the micro-pesticide particles in shed (chamber) to form a floating dust, and make it suspended in the air for a long time , Due to the flying of the particles in the vegetable plants evenly spread to the ground deposition, to prevent disease pest control effect.