当前，中原地区的小麦陆续进入灌浆期，这是小麦产量形成的关键期，也是各类病虫害易发多发、防治的关键期。为做好小麦中后期重大病虫害防治工作，河南各地积极进行大规模无人机飞防，开展小麦“一喷三防”作业，做到一喷多效、病虫兼治，保障夏粮丰产丰收。
记者：姜亮
报道员：王振 程银露 王家胜
新华社音视频部制作
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