根据全省各测报站对农作物病虫草鼠害冬前越冬基数调查结果,结合历史资料及全省各地农作物品种种植结构、栽培技术措施与气象条件等综合分析,预计黑龙江省2005年主要农作物病虫草鼠害总的为中等偏重发生。发生面积约3亿亩次左右。常发性害虫玉米螟、大豆蚜虫、大豆红蜘蛛偏重发 According to the survey results of the winter pests of crop, pest, weed and rodent in winter in all the stations in the province, combined with the historical data and the crop cultivation structure, cultivation techniques and weather conditions in different parts of the province, it is estimated that the major crop diseases and insect pests of Heilongjiang Province in 2005 Rodents generally moderate to moderate occurrence. Occurred area of ​​about 300 million mu times. Occurrence of corn borer pests, soy aphids, soybean red spider partial hair