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农牧渔业部全国植保总站于1982年12月在上海召开了北方棉区棉花病虫害综合防治技术座淡会。近几年来北方棉区棉虫综防进展较快。主要有三个特点:一是从棉田整个生态系统出发,协调运用各项技术措施,改变了过去单一依靠化学防治的作法。二是综防面积逐年扩大。山东、河北、河南三省1982年综防
National Plant Protection Station of Ministry of Agriculture, Animal Husbandry and Fisheries in December 1982 held in Shanghai in northern cotton cotton pest integrated disaster prevention and control technology meeting. In recent years, cotton moths in the northern cotton area have witnessed rapid progress. There are three main characteristics: First, starting from the entire ecosystem in cotton fields, coordinating the use of various technical measures has changed the past practice of relying solely on chemical prevention and control. Second, the area of comprehensive prevention has expanded each year. Shandong, Hebei and Henan provinces in 1982 comprehensive prevention