粮仓的空仓消毒工作是防止储粮感染害虫,确保粮仓“四无”的一项重要措施.长期以来,普遍存在空仓消毒药剂单一剂量偏高的现象,如六十年代至七十年代主要用高丙体六六六烟剂,七十年代末至现在,主要用敌敌畏.以致储粮害虫抗性增强,药量增高,粮食的污染程度也随之增大.针对这种情况,为了达到安全、经济、有效和卫生的防治目的,从1982年8月我们开始试用防虫磷进行空仓消毒,近四年来我们主要采用了直接喷雾法、木炭炉热雾 Empty warehouse sterilization granary work is to prevent stored grain pests to ensure that the granary “four no” an important measure for a long time, the prevalence of short sterilized single dose high phenomenon, such as the sixties and seventies mainly with high-c Since the end of the seventies until the present, the main use of dichlorvos, resulting in increased resistance to stored grain pests, increased doses of food pollution also will increase.In response to this situation, in order to achieve safety, economy, Effective and hygienic control purposes, from August 1982 we started trial pest control empty sterilization, the past four years we mainly use the direct spray method, charcoal furnace hot fog