To clarify the aim characteristics for soybean high-yield breeding, soybean cultivars released during 1950 to 2006 in Heilongjiang Province were used to investigate agronomic characteristics.

• 摘要为指导未来大豆高产育种的目标性状，对黑龙江省1950-2006年间推广的大豆品种的主要农艺性状变化进行研究。