手动喷雾器——工农16型、552丙型是我区防治农、林病虫害,尤其是果树、蔬菜、药材等经济作物和苗圃、园林、花卉病虫害的主要施药器械。我区社会保有量约一万多架。这种器械体积小易掌握、价格低廉、操作方便、适应性广。但是,几十年来,都是采用低浓度、高容量的喷雾法(亦称常规喷雾法),每亩喷液量50～70市斤,每日喷药 Manual Sprayer - Workers and Peasants Type 16 and Type 552 C are the main facilities for the prevention and control of pests and diseases of pests in agriculture, forestry and pests, especially fruit trees, vegetables and medicinal plants, nurseries, gardens and flowers. Social security in our area is about more than 10,000. This instrument is easy to grasp the small size, low cost, easy operation, wide adaptability. However, for decades, are the use of low concentration, high-capacity spray method (also known as conventional spray method), spray volume per acre 50 to 70 kg, daily spraying