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1 选育经过垦农四号是黑龙江八一农垦大学科研所大豆育种室于1981年以九农13号×绥农4号有性杂交育成的。1982～1986年种植Ｆ1～Ｆ5代,采用系谱选择法。1986年选出稳定品系,1987～1988年参加所内鉴定试验和异地鉴定试验。1989～1991年黑龙江省联合区域试验和生产试验。1992年2
1 Breeding After Kenon IV was Heilongjiang August First Land Reclamation University Soybean breeding room in 1981 to nine farmers 13 × Suinong 4 sex breeding bred. 1982 ~ 1986 planted F1 ~ F5 generation, using pedigree selection method. 1986 selected stable strains, from 1987 to 1988 to participate in the identification test and off-site identification test. Experimental and Production Experiment in Heilongjiang Province from 1989 to 1991. 1992 2