近几年,玉米秸秆还田作为持续性生产措施,逐步得到普及并产生了很好的经济效益,但由于部分秸秆还田后的麦田出现出苗率低、苗黄、苗弱,甚至死苗现象,不但不增产,反而减产。分析其原因主要有以下几个方面。 In recent years, corn stalks returning to the field as a continuous production measures, and gradually gained popularity and has produced very good economic benefits, but because of the emergence of some wheat straw fields after emergence rate is low, seedling yellow, weak seedlings, and even death phenomenon , Not only do not increase production, but cut production. Analysis of the main reasons for the following aspects.