合丰34号大豆新品种，是我所于1976年开始以合丰24号为母本、治安小粒豆为父本有性杂交，后代在田间连续进行灰斑病菌接种鉴定，并经多代走向选择有成，1994年2月经黑龙江省农作物品种审定委员会审定推广。产量表现1990年全省异地鉴定试验，合丰34号平均公顷产量2594．9公斤， Hefeng 34 new varieties of soybean, I was 1976 in Hefeng 24 as the female parent, law and order for the male parent bean hybrids, the offspring of Cercospora sojina continuous inoculation identification, and after many generations to Choose a success, in February 1994 by the Heilongjiang Province Crop Variety Approval Committee examined and approved. Production performance In 1990 the province off-site identification test, Hefeng 34 average hectare yield 2594.9 kilograms,