开春后日平均气温上升到3℃以上时,小麦开始返青生长,进入根、茎、叶生长最旺盛的时期,幼穗分化主要在这一阶段完成,是营养生长和生殖生长最旺的时期。采取相应的春后管理技术,确保小麦高产丰收,主要应抓好以下几点:防渍害。开春后,雨水较多,要抓紧清沟沥水,沟系不配套 When the average daily temperature rose above 3 ℃ after spring, the wheat began to grow green and entered the period of the most vigorous growth of roots, stems and leaves. Spike differentiation was mainly accomplished at this stage, which was the period of vegetative and reproductive growth. Take the appropriate spring management techniques to ensure high yield bumper wheat, the main should do a good job the following points: Anti-stains. After the spring, more rain, it is necessary to pay close attention to gully draining, ditch system is not complete