合理利用玉米边际优势与种植空间，提高单位面积的经济效益，是当前急待解决的问题。6月下旬，玉米地的施肥、浇水、中耕等田间管理已经结束，株高叶茂，形成一个行间郁闭、温度高、通风好的小气候环境，有利于平菇生长。为此，我们进行了玉米地套种平菇试验。l菌种的制备1．1 It is an urgent issue to make rational use of maize marginal advantage and planting space and improve the economic benefits per unit area. In late June, field management of cornfield fertilization, watering, cultivation and other fields has ended. The plant height is high and leaves are lush, forming a microclimate environment with ample canopy, high temperature and good ventilation, which is conducive to the growth of Pleurotus ostreatus. To this end, we conducted intercropping maize mushrooms test. l strain preparation 1.1