应用粉炮防治松毛虫,是我区在防治林业害虫上的一项新方法。过去用人工喷粉防治松毛虫,劳动强度大,树高难以喷杀,为了改变这种状况,1969年冬,我们和合浦炮竹厂组成“三结合”试验小组,进行研制粉炮防治松毛虫工作。在毛主席革命路线指引下,经过反复实践,不断总结经验,制造成功了杀虫粉炮。 这种粉炮具有如下优点:一是制做简单,适宜大搞群众运动,林场、公社用简陋的工具就可以制做;二 Application of powder gun control pine caterpillars, is our region in the prevention of forestry pests on a new method. In the past, artificial dusting prevention and control of pine caterpillars, labor-intensive, tree-height difficult to kill, in order to change this situation, in the winter of 1969, we and Hepu Gun Bamboo Factory formed a “triple combination” of the experimental group, jobs. Under the guidance of Chairman Mao’s revolutionary line, after repeated practice and constantly summing up experiences, the successful manufacture of insecticidal powder artillery. This powder gun has the following advantages: First, making simple, suitable for mass movement, forest, commune with simple tools can be made;