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多年来的生产实践证明，坚持培育大壮苗移栽，是夺取油菜高产的技术关键。一般来讲壮苗比弱苗能增产3O％左右。油菜移栽时壮苗标准要求达到“三六”碗式标准即六片叶、六寸高，根颈粗0．6厘米以上。其培育矮脚壮苗的技术关键如下：1、选好留足苗床苗床是培青壮苗的基础。苗床宜
Years of production practice has proved that adhering to nurturing big seedling transplanting is the key to capture high-yield rapeseed technology. In general, seedlings can increase seedlings more than 3O%. Rape transplanting strong seedlings standard requirements to achieve “three six” bowl standard that is six leaves, six inches high, root neck coarse 0.6 cm or more. The key to cultivate the short sturdy seedlings technology is as follows: 1, choose to leave enough seedbed seedbed is Pei Zhuang seedling foundation. Seedbed should be