当前，河南省8500万亩小麦已进入拔节期，这一时期正是小麦生长的关键阶段，也正是加强田间水肥管理的关键时期。
作为全国小麦生产第一大省，河南各地抢抓农时，借助农业科技手段积极开展春管春灌作业，提升农业生产的科技水平，为保障国家粮食安全贡献力量。
记者：姜亮
新华社音视频部制作
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