2026年入春以来,天气晴好,河南省开封市祥符区的小麦进入拔节孕穗关键期。农业部门专家提醒,应及时浇水追肥,旺长田控氮增磷钾防倒伏,并结合病虫害防治喷施磷酸二氢钾,保穗数、增粒数,全力夯实夏粮丰收基础。
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