我场根据超低容量喷雾器治虫的方法和原理,在水稻、棉花的治虫和化学药剂除稗中,试验推广了中量喷雾法。据不完全统计,四年来,共试验了3万多亩,均取得良好的效果。一、具体作法中量喷雾法,就是用一般常规喷雾器,在水稻、棉花等作物的中、后期治虫和在水稻喷除草剂敌稗乳油除稗时,把每亩的用药量,兑水20—25斤喷1亩田(1桶药水喷1亩田)。喷药时是采用 According to the method and principle of ultralow-volume sprayer pest control, my field promoted the medium-volume spraying method in rice and cotton pest control and chemical agents except barnyardgrass. According to incomplete statistics, a total of more than 30,000 mu have been tested over the past four years and both have achieved good results. First, the specific approach Medium spray method is to use the general conventional sprayer, rice, cotton and other crops in the late pest control and spraying of rice in the barnyard grass EC except barnyard, the dosage per acre, watered 20- 25 kg spray 1 mu field (1 barrel of syrup sprayed 1 acre field). When spraying is used