九丰6号大豆是黑龙江省农垦科学院九三科研所选育的。1984年以九三80－15×合丰25号有性杂交，采用系谱法进行选择，1988年F4代决选，品系代号为九三89－22，1995年2月经黑龙江省农作物品种审定委员会审定并命名。1产量表现1989～1990年所内鉴定试验，平均产量2822．25kg／hm2 Nine Feng 6 soybean is Heilongjiang Provincial Academy of Agricultural Sciences Research Institute of 93 breeding. In 1984, 93 93 80-15 × Hefeng No. 25 were sexually crossed, and pedigree method was used for selection. In 1988 F4 was selected and the strain code was Jiusan 89 - 22. In February 1995, it was examined and approved by Heilongjiang Province Crop Variety Approval Committee And named. 1 production performance 1989 ~ 1990 identification test, the average yield of 2822.25kg / hm2