冬前旺长是小麦管理中常遇到的一个问题,旺长麦田的问题比较复杂,春季管理要根据具体情况区别对待,不能笼统地说早管好还是晚管好,下边就冬前旺长苗的春季管理作以简述。一、冬前已经脱肥的旺苗,春季管理的中心是保蘖争穗,争取把“麦无二旺”变成“秋旺春壮”。形成这类苗的原因多为播种早,密度大,冬前主茎叶7片以上,上展叶长20～25cm以上,叶鞘显著 Long winter before the wheat is often encountered in management of a problem, the Mongolian wheat fields more complex issues, spring management should be treated differently depending on the specific circumstances, can not generally say good or bad early tube well, below the pre-winter seedlings Spring management for a brief description. First, the winter before the fertilizer has been Wang Miao, spring management center is tiller fight spike, strive to “wheat without two bonsai ” into “Autumn strong ”. The reasons for the formation of such seedlings are mostly sowed early, high density, more than 7 before the main stem leaves, on the growth of more than 20 ~ 25cm leaf length, leaf sheath significantly