2012年春季以来,整个东北地区遇到了严重春旱,这对没有水利条件的平地和旱坡地的玉米生长构成了严重的威胁。除造成玉米掉苗缺苗外,还造成玉米茎节缩短、株高降低,影响了发育,成熟期后延。为了减少损失,应采取以下有效措施,促进其成熟,力争灾年少减产或不减产。 Since the spring of 2012, severe drought has hit the entire northeastern region, posing a serious threat to the growth of maize on flat and dry slopes without water conditions. In addition to causing corn seedlings missing seedlings, but also to reduce the corn stalks, plant height decreased, affecting the development of mature delay. In order to reduce losses, the following effective measures should be taken to promote their maturity and strive to reduce or not reduce production in the disaster years.