农药喷雾技术在沿着高浓度低喷量的方向发展。新疆生产建设兵团农二师33团1984～1985年,在地处塔里木垦区的棉田(属干旱灌溉农业区)下,采用拖拉机超低量喷雾机和常规液用农药超低量喷雾,在药液雾化、雾滴谱、田间雾滴覆盖密度、雾滴对棉花冠层穿透牲以及防虫效果等方面进行了系统测试,现将测试结果报道如下。材料与方法1、喷雾机和作业条件。新疆哈密地区 Pesticide spray technology in the high concentration of low spray direction. Xinjiang Production and Construction Corps Nong Er Shi 33 Mission 1984 ~ 1985, is located in the Tarim reclamation area of ​​cotton fields (arid irrigated agricultural area), the use of ultra-low-volume tractor sprayers and conventional liquid pesticide ultra-low volume spray, the liquid Atomization, fog droplet spectrum, the density of field droplet coverage, the droplet on the cotton canopy penetration and pest control effects were systematically tested, the test results are reported below. Materials and methods 1, sprayer and operating conditions. Hami, Xinjiang