粉尘法防治保护地蔬菜病害殷立娟郎科杨波孙秀芳近年来采用的烟剂法虽然克服了常规喷雾的某些弊病，减轻了劳动强度，改进了施药方法，但防效仍受到一定限制。因此，保护地蔬菜生产上迫切需要能改变过去的传统施药方法。所以，粉尘法施药新技术就达到上述要求。１试验药剂... Dust Law to Prevent and Control Vegetable Diseases Yin Lijuan Lang Ke Yang Bo Sun Xiufang Although in recent years, the tobacco smoke method has overcome some shortcomings of conventional spraying, reduced the labor intensity and improved the application method, but the control effect is still limited. Therefore, there is an urgent need in the production of protected vegetables to change the traditional methods of pesticide application in the past. Therefore, dust application of new technologies to meet the above requirements. 1 test agent ...