油菜壮苗移栽，易活，落叶少，发根长叶快，抗御灾害能力强，长得壮。生产上要培育高产所需的壮苗，在技术上要把握好五关。 　　一、选种及处理关 根据种植制度，既要获得高产油菜，又不与收小麦打挤，且不影响大春正常播栽，应选择中早熟高产、抗逆性强的甘蓝型杂交油菜新品 Strong seedling transplanted rapeseed, easy to live, fewer leaves, hairy leaves faster, strong ability to resist disasters, grow strong. In production, the strong seedlings needed to cultivate high yield must be grasped technically. First, the selection and processing off According to the planting system, it is necessary to obtain high-yielding rapeseed, without closing the wheat and squeeze, and does not affect the normal spring sowing, should choose mid-early maturity high yield, strong resistance of new hybrid rapeseed rape