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1975—1976年,我们在饶阳县委的领导下,以五公公社五公大队为基点,在全县16个公社近40万亩粮食作物上,开展了三代粘虫综合防治试验示范工作,有效地控制了它的为害。据不完全统计,全县插杨枝把12.25万把,在19,570亩粮田面积内,诱捕成虫391万头,平均每亩诱捕近200头;人工采卵5.1万余亩,据不完全统计约采卵150余万块;锄草治虫22万亩;合理用药面积占防治面积的57.5%,估计节约农药90余万斤。一、锄草治虫农田杂草丛生,农田小气候相对湿度提高,温度下降,适合粘虫生存繁殖,粘虫发生数量就多,危害也更严重。1976年饶阳县在7月下旬至8月中旬,降雨139.7毫米,阴雨日19天,田间莠草、狗尾草等禾本
From 1975 to 1976, under the leadership of Raoyang County Party Committee and on the basis of the Five-Brigade of the Five-Governmental Commune, we carried out experimental and demonstrative work on the comprehensive prevention and control of Mythimna separata Walker on nearly 40 million mu of grain crops in 16 communes in the entire county. To control its harm. According to incomplete statistics, the county put in 121,500 poplar branches and trapped 3.91 million adult traps within an area of 19,570 mu of grain fields, with an average of nearly 200 traps per acre; and artificial harvesting of more than 51,000 mu. According to incomplete statistics about Oviposition more than 150 million; 22 million mu of weeding and pest control; the area of rational drug use accounts for 57.5% of the control area, it is estimated that more than 90 kilograms of pesticides are saved. First, hoeing Weeding insect pest farmland, farmland microclimate relative humidity increased, the temperature dropped for survival and reproduction of armyworm survival, the occurrence of armyworm on the number of more harmful to the more serious. Raoyang County in 1976 in late July to mid-August, rainfall 139.7 mm, rainy days 19 days, field weeds, Setaria grass and other grasses