(1. Land Reclamation Research &Breeding Centre of Heilongjiang , Harbin 150090 ;2. Soybean Research Institute of Northeast Agricultural University , Harbin 150030 ;3. Seed Management Department of Heilongjiang Land Reclamation Bureau , Harbin 150036)
According to relationship between soybean quality and geographical distribution , environmentalcondition , soil type, climate condition, soybean trade and utilization, soybean production region in Hei-longjiang province is divided into three districts:East-west high-oil district(I), and it can be divided intotwo subdistricts, West high-oil district(I - A) , East high-oil district(I - B);middle and southeast high-protein district(Ⅱ), and it can be divided into two subdistricts , middle high-protein district(Ⅱ - A),southeast high-protein district(Ⅱ - B);north and east river-edge protein-oil balance district(Ⅲ), and itcan be divided into two subdistricts, north protein-oil balance district(Ⅲ - A), east river-edge protein-oilbalance district(Ⅲ - B).