干旱年后话防虫１９９７年气候异常，高温干旱时间之长、旱情之重，历史罕见。就灯塔市的农业生产情况分析，高温干旱不仅影响了作物产量，还造成粘虫、玉米螟、高粱粟穗螟、粟椿象等多种害虫大发生。灯塔市的旱田在全部采用赤眼蜂防治玉米螟的前提下，虫情仍很严重。经调... After years of drought, then pest control 1997 climate anomalies, high temperature and drought a long time, heavy drought, history is rare. On the analysis of agricultural production in Beacon City, high temperature and drought not only affected crop yield, but also caused many pests such as armyworm, corn borer, sorghum millet and so on. Beacon fields in the dry field in the use of Trichogramma preyed on the premise of the insects, insects are still very serious. Tune ...