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合丰２５号是利用秆强、喜肥、高产、病虫害轻的合丰２３号为母本，与具有高产的国外品种十胜长叶血缘的克交４４３０－２０为父本有性杂交育成。１９８４年黑龙江省审定推广，１９８６年吉林省审定推广。目前推广区域已扩大到辽宁、内蒙、河北、新疆、云南等九个省（区）种植。生产中合丰２５号出现了２０万亩亩产１８５．５ｋｇ的大面积高产典型和小区亩产３１９．５ｋｇ的高产实例，年最高种植面积１５００万亩，推广１２年累计种植面积１．３亿亩，增产大豆１８．６亿ｋｇ，创纯社会经济效益１６．０亿元。以合丰２５为育种材料，通过多种育种途径，现已育成不同生态类型的大豆新品种１３个，其中推广面积达１０万亩以上的品种１１个，累计推广面积４８０４．１万亩。
Hefeng No.25 Hefeng No.23 was used as female parent with strong stalk, hi fat, high yield, light pest and disease resistance, and crossed with 4470-20, the cross of the high-yielding foreign variety Tokachi. Heilongjiang Province in 1984 approved the promotion of Jilin Province in 1986 to review and promote. At present, the promotion area has been expanded to nine provinces (autonomous regions) such as Liaoning, Inner Mongolia, Hebei, Xinjiang and Yunnan. Hefeng 25 production in the emergence of 200000 acres of mu produce 185.5kg large-scale high-yield typical and plots yield 319.5kg high-yield example, the annual planting area of 15000000 acres, the promotion of 12 years total planting area of 130000000 Mu, increase production of soybean 1.86 billion kg, create a net social economic benefit of 1.6 billion yuan. With Hefeng 25 as breeding materials, 13 new varieties of soybean with different ecological types have been bred through a variety of breeding ways, including 11 varieties with an area of more than 100,000 mu and a total area of 48,041,000 mu.