据云南省玉溪县农技站报导,该地1973年粘虫发蛾量比1972年多一倍,预测是个大发生年。但他们在党委领导下,充分发动群众,认真贯彻预防为主的方针,在掌握粘虫发生规律的基础上,设立了三道防线,打好三个歼灭战,获得了粮食增产,取得了很大成绩。 第一道防线,以消灭粘虫蛾为主。主要采用以灯 According to the report of Yuxi County Agricultural Station in Yunnan Province, the amount of armyworm and moth in that area in 1973 was double that of 1972, and the forecast is a major year. However, under the leadership of the party committee, they fully mobilized the masses and conscientiously carried out the principle of prevention first. On the basis of grasping the law of occurrence and occurrence of armyworm, they established three lines of defense, laid down three annihilation wars, obtained more grain output and achieved a great Score. The first line of defense, to eliminate the armyworm moth-based. Mainly used to light