(一)特征特性。油菜388是一种极为早熟、大粒的高产、优质新品种,属甘蓝型。它不择土壤,较耐肥,抗寒、抗旱,抗病,品质也较优。种子黑色,千粒重5克,全生育期180——185天左右。株高140厘米,株型紧凑,分枝多而强,结荚部位低。尤为可贵的是,因其成熟期早,于来年4月底左右成熟,不误早稻栽插,故是南方双季稻区一个较为优良的品种。亩产150—200公斤,高产可突破250—300公斤。(二)栽培技术要点。 (A) characteristic features. Rape 388 is a very early maturity, large grain of high yield, high quality new varieties, is a cabbage type. It does not choose soil, more resistant to fertilizer, cold, drought, disease resistance, quality is also superior. Seed black, grain weight 5 grams, the whole growth period of 180--185 days. Plant height of 140 cm, plant compact, more and more branches, pod parts low. Particularly valuable is that because of its mature early, around the end of April next year or so mature, not missed early rice planting, it is the southern double cropping rice a more excellent varieties. 150-200 kg per mu, high yield can break 250-300 kg. (B) cultivation techniques.