目前,农民大多使用工农-16型背负摇杆式等手动喷雾器进行常规喷雾防治农作物病虫草害。一般每667平方米喷药液50公斤～60公斤,每人每天防治2000平方米～2668平方米。虽然操作方便、技术简单、效果较好,但也存在工效较低、劳动强度较大、药液流失较多等缺点。而利用手动喷雾器进行低容量喷雾,既保持了常规喷雾的优点,又克服了常规喷雾的缺点。据对水稻稻纵卷叶螟、稻瘟病等叶面 At present, most farmers use the worker-peasant -16 type rocker-type manual sprayer for routine spraying to prevent crop pests and diseases. General per 667 square meters spray liquid 50 kg ~ 60 kg, prevention and control of 2,000 square meters per day to 2668 square meters. Although the operation is convenient, the technology is simple, the effect is better, but there are some shortcomings such as low work efficiency, large labor intensity and more liquid loss. However, the use of a manual sprayer for low-volume spraying not only maintains the advantages of conventional spraying but also overcomes the disadvantages of conventional spraying. According to rice leaf roller, rice blast and other foliage