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虫口争粮2020年压力不少
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虫口争粮2020年压力不少
摘要:据全国农业技术推广服务中心,总体而言,2019年主要农作物虫害总体发生平稳。2020年是草地贪夜蛾发生危害的关键一年。值得关注玉米种植情况。据全国农业技术推广服务中心,回顾2019年虫害情况。草地贪夜蛾首次入侵,在我国华南、江南等地玉米产区发生1,620万亩,防治面积2,271万亩次,没有造成明显危害。水稻"两迁"害虫中等偏重发生,呈回升态势。总体而言,2019年主要农作物虫害总体发生平稳。其中,米螟、棉铃虫、二化螟、马铃薯晚疫病在部分地区重发;稻飞虱、黏虫、草地螟等在局部地区发生高密度点...
Insecticides China News 201912(Chinese version)
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