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大豆是我区主要粮油兼用作物,栽培历史悠久。三十二年里年平均栽培面积达281.7万亩,占全区秋粮面积的27.4%,总产的16.3%。我所大豆育种工作,从五十年代中期开始。由地方品种征集、整理、利用入手,到系统选种。六十年代以后以杂交育种为主。先后育成混选软条枝、混选大白角、徐州302、徐豆一号及其姊妹系、徐州421等一批优良品种。大面积产量由五十年代的70～80斤/亩,提高到150斤/亩,近两年来又上升到190斤左右。这些良
Soybean is the main grain and oil crops in my area, cultivation has a long history. In thirty-two years the average annual cultivation area of 281.7 million mu, accounting for 27.4% of the region’s autumn grain area, the total output of 16.3%. My soybean breeding work began in the mid-1950s. Collection by the local species, sorting, use, to the system selection. After the sixties to crossbred mainly. Has bred mixed soft sticks, mixed selection White Point, Xuzhou 302, Xu Dou One and sister, Xuzhou 421 and a number of fine varieties. The large-scale production increased from 70 to 80 kg / mu in the 1950s to 150 kg / mu and rose to about 190 kg in the past two years. These good