关油3号由咸阳地区农科所选育,1971年示范、推广,1974年在渭北早原地区收获面积约21万亩。1970～72年试验比农家品种关中油菜平均增产19.23%,1972年据陇县、耀县、澄城、白水、彬县、岐山等八处试验,较当地推广品种增产18.3%,近年来在渭北一些油菜生产先进单位 Oil on the 3rd by the Xianyang Agricultural Science Institute selection, 1971 demonstration, promotion, in 1974 in the Weibei early early harvest area of ​​about 21 acres. In 1970 ~ 72 years, the experiment increased the yield by 19.23% compared with that of Guanzhong, and in 1972, it increased by 18.3% compared with the local popularization varieties in eight experiments such as Longxian, Yao County, Chengcheng, Baishui, Binxian and Qishan. In recent years, Some advanced production units in northern rape