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本文研究了１９８５－１９９０年黄淮海夏大豆区试品种籽粒蛋白质和脂肪含量在不同试点的变化，鉴定出高蛋白质含量（４４．０５－４６．６４％）品种９个，高脂肪含量（２２．５８％）品种１个，兼用型双高（脂肪和蛋白质总量６３．０８－６５．３９％）品种１４个，高蛋白大粒（蛋白质含量４６．２６％，百粒重２５．９７ｇ）品种１个，高蛋白产量（１０５０－１２００ｋｇ／ｈｍ２）品种１０个。研究了蛋白质、脂肪、蛋白质＋脂肪与蛋白质产量之间的关系。明确提出可选育兼用型双高和高蛋白含量的高产品种。确定了蛋白质、脂肪、蛋白质＋脂肪、蛋白质产量４个品质指标的评价标准，探明了黄淮海地区的环境因素对大豆品质的影响，发现纬度由北至南大豆蛋白质含量由低至高的变化趋势。文中提出，大豆品质育种必须与不同地区的生态条件相结合。
In this paper, we studied the changes of grain protein and fat content in different regions of Huang-Huai-Hai summer soybean trial from 1985 to 1990, and identified 9 high-protein (44.05-46.64%) varieties with high fat content (22%). 58%), 1 double-high combination (total fat and protein 63.08-65.39%), 14 varieties with high protein and large protein (46.26% protein and 25.97g weight) A, high protein production (1050-1200kg / hm2) varieties 10. The relationship between protein, fat, protein + fat and protein yield was studied. Clearly put forward the choice of both high-yield and high protein content of high-yielding varieties. The evaluation criteria of four quality indexes of protein, fat, protein + fat and protein yield were determined, and the influence of environmental factors in Huang-Huai-Hai region on soybean quality was ascertained. The trend of protein content from north to south in latitude from low to high was found . The paper proposed that the quality of soybean breeding and ecological conditions must be combined with different regions.