1980——1983年我们在室内及室外,用杀虫灵混土除治上树前及下树后的松毛虫,效果很好。1985年3月底,又做了几种农药的混土除治试验,效果都很好。 杀虫灵是一种残效期短的农药。为防止环境污染,1980年,我们先以此药混土做试验,但此药使用不当,会造成人畜中毒,秦市安民寨大队,于1981年除治上树后的松毛虫,用超低量喷雾,喷药人员带防剧毒的面 1980 - 1983, we indoors and outdoors, with insecticide Lingmo removal of trees and trees before and after the pine caterpillars, the effect is very good. By the end of March 1985, they also made several kinds of pesticide mixing and removing test, the effect is very good. Insecticide Spirit is a short-lived pesticide. In order to prevent environmental pollution, in 1980, we first test the drug mixed with soil, but the improper use of this medicine will cause human and animal poisoning, Anmin Village Battalion in Qinhuangdao, in addition to rule in 1983 after the pine tree, with ultra-low Amount of spray, spray personnel with anti-toxic side