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近年我国玉米虫害发生概况及未来发生趋势分析
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近年我国玉米虫害发生概况及未来发生趋势分析
摘要:近年来随着我国玉米种植结构调整、栽培技术变化,以及新品种更换,我国玉米害虫发生了明显变化。玉米虫害已成为玉米生产上的主要限制因素之一。全国农技推广中心研究员、高级农艺师 梁帝允玉米作为我国四大主粮之一,自新中国成立以来的近70年间,在解决温饱问题、保障粮食和饲料安全、发展国民经济以及缓解能源危机等方面发挥了重要作用。近几年来我国玉米种植面积稳步增加,2014年我国玉米种植面积达到5.53亿亩,已成为我国种植面积最大的粮食作物。在玉米的种植到成熟过程中会遇见各种病虫害,已成为玉米生产上...
Insecticides China News 201507 (Chinese version)
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