为了筛选出适宜河北省三河市及其周边区、县地区种植的抗病、抗倒、高产、稳产、优质、综合农艺形状好的玉米新品种,进一步提高该区域玉米产量水平,替代多年种植的郑单958、蠡玉16、浚单20等老品种。基于此,把近几年适宜该区域种植的40余个玉米新品种进行了生产比较试验。 In order to screen out suitable maize varieties with good disease resistance, lodging resistance, high yield, stable yield, high quality and comprehensive agronomic shape planted in Sanhe City, Hebei Province and its surrounding areas and counties, to further improve the corn yield in this area and to replace the planted Zheng Dan 958, Yu Yu 16, Xundan 20 and other old varieties. Based on this, more than 40 new varieties of maize suitable for planting in this area were tested for their production in recent years.