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小地老虎是京郊粮、棉、油等春播作物苗期的重要害虫,通过几年来市防治研究协作组,初步摸清了发生规律,提出以下综合防治措施:1.改土和调整播种期:改造低洼易涝的小地老虎发生地,通过平整土地,创造灌溉条件,实行旱改水,京郊有条件地区可实行稻麦两茬,彻底消灭地老虎为害。“避”。春播改套种,延迟播种期,增加复种指数,避开小地老虎春季为害盛期。2.人工诱杀:将泡桐树叶用水浸湿后,按每亩70—90片叶,均匀铺撒在作物行间,每日
Small tiger is Beijing suburbs of grain, cotton, oil and other spring sowing crops important pests, through several years of city prevention research collaboration group, initially found out the occurrence of the law, put forward the following comprehensive prevention and treatment measures: 1. Soil improvement and sowing : To reform the low-lying flood prone land tiger occurred, by leveling the land, creating irrigation conditions, the implementation of drought to water, the suburbs of Beijing can be implemented in the conditional areas of wheat and wheat two crops, the total elimination of the tiger damage. “avoid”. Spring sowed intercropping, delayed sowing, increasing the multiple cropping index, to avoid the damage to the spring season of small tiger. 2. Artificial lure: Paulownia leaves soaked in water, 70-90 leaves per acre, evenly spread in the crop line, daily