一、多因素利好农药市场今年,全国农作物重大病虫害将呈重发态势,全国病虫害发生总面积约为55亿亩次,同比增加4%。水稻“两迁”害虫、小麦条锈病、玉米螟等总体发生程度重于2011年;稻瘟病、小麦赤霉病、马铃薯晚疫病分别在东北、西南稻区,江 First, the multi-factor favorable pesticide market This year, major pests and diseases of crops across the country will be a re-emergence of the situation, the national pest and disease occurred a total area of ​​about 55 billion mu times, an increase of 4%. The overall incidence of pest, wheat stripe rust and corn borer were heavier in 2011 than in 2011. Blast, wheat scab and potato late blight were in northeast, southwest, Jiang