冬季蚊幼虫孳生环境比较集中,我所于1958年多抽选勐海曼真寨周围水沟水塘用六六六及野生植物金刚钻,龙舌兰作杀灭蚊幼虫的试验。一、百分之六丙体六六六粉不同剂型剂量杀灭蚊幼虫试验:1,六六六土灰剂:将土灰辗细用细节筛过,每公斤土灰加含丙体百分之六的六六六粉300公 Winter mosquito larvae breeding environment is more concentrated, I in 1958 and more selected Menghai Manzhai around the ditch ponds with 666 and wild plant diamonds, agave as kill mosquito larvae test. First, the six percent of six different doses of hexagonal six powder to kill mosquito larvae dose test: 1, 666 soil ash: the fine dust sieved through the soil, each kilogram of soil plus ash content of C Six of six six six powder 300 public