为促进玉屏县玉米生产的发展 ,适应种植业结构调整需要 ,进行了 6个玉米品种的对比试验 ,以期为杂交玉米新品种的选择、利用提供科学理论依据。1　材料与方法1.1　试验地点试验地点设在朱家场镇鱼塘村三岔坡村民组吴志容家责任地中 ,海拨 5 0 0ｍ ,地势平坦向阳 ,土壤肥力中上? In order to promote the development of maize production in Yuping County and meet the needs of structural adjustment of planting industry, the comparative experiments of six maize varieties were conducted in order to provide a scientific basis for the selection and utilization of new hybrid maize varieties. 1 Materials and methods 1.1 Test sites The test sites were located in Wu Zhirong Village, Sanjiapo Village, Yuantang Village, Zhujiachang Town, with an altitude of 500m. The terrain was flat and sunny with the highest soil fertility.