本文研究了山东省不同生态类型区夏玉米采取软盘育苗、小苗带土移栽与套种和直播的高产栽培途径的生育进程、产量表现和群体特征。结果表明 :夏玉米采取改进的移栽方式可以解决麦田套种玉米整齐度差、夏直播玉米生育期不足和大苗移栽缓苗慢的矛盾 ,充分发挥当前生产上大力推广的紧凑大穗中晚熟品种的增产潜力 In this paper, the reproductive process, yield performance and population characteristics of high-yielding cultivation of summer maize in different ecological zones in Shandong Province were studied. The results showed that the improved maize transplanting method can solve the problem of poor uniformity of maize intercropping in maize field, lack of growth period of maize in summer seeding and slow transplanting of seedlings, and give full play to the middle-late maturing varieties Yield potential