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泾阳县植保站２００１年组织开展WS－１６型手动喷雾器田间除草试验示范，取得了较好的使用效果。这一药械在本县粮、棉、果、菜等病虫害防治中，已得到了群众的普遍认可。１材料与方法１．１供试器械WS－１６型手动喷雾器（山东卫士植保机械有限公司，全国农技中心植保机械中
Jingyang plant protection station in 2001 organized WS-16-type manual sprayer field weeding test demonstration, and achieved good results. This drugstore in the county grain, cotton, fruit, vegetables and other pest and disease control, has been widely recognized by the masses. 1 Materials and Methods 1.1 for testing equipment WS-16-type manual sprayer (Shandong Guardian Plant Protection Machinery Co., Ltd., National Agricultural Technology Center plant protection machinery