为了实现国家“八五”期间开发推广紧凑型玉米1亿亩的目标,以辽宁、甘肃为代表三北协作组共8个省,经过半个多月的考察,确有收获。一、辽宁省的三北试验搞得好,19个紧凑型新品种摆在一块地上,密度从4000到5000株,管理得好,掖单13号长势喜人,掖单12号表现早熟、抗病、地边地心果穗匀称;甘肃省除完成三北协作试验外,在临泽县倪家营村搞了5500～10500株掖单 In order to achieve the goal of developing and popularizing 100 million mu of compact corn during the “85” nationalization period, Liaoning Province and Gansu Province represented a total of 8 provinces in the Three North Cooperative Group. First, Liaoning Province, the Three Beans experiment done well, 19 compact new varieties on a piece of land, density from 4000 to 5000, well managed, Yedang on the 13th is gratifying, Yedang 12 on the performance of precocious, disease-resistant , The geocentric heart spike symmetry; Gansu province in addition to the completion of the Tri-North collaborative experiment, in Linze Ni Village camp out 5500 ~ 10500 Yeda single