我县稻茬油菜面积大，其中晚稻茬口占40％以上，腾茬迟，施肥水平差异大，移栽密度不合理，沟系配套差，病害草害严重。大面积夺高产难度大。针对本地特点，近二三年我们采取了如下的关键技术措施，取得了良好的经济效益。一、选用良种规范育苗选用适合本地的高产甘蓝型品种秦? The area of ​​rice rape in our county is large, of which late rice stubble accounted for more than 40%, late stubble stubble, large differences in fertilization levels, transplanting density is not reasonable, the poor supporting system, serious damage to the grass. Large area hard to win high yield difficult. For the local characteristics, in the past two or three years we have taken the following key technical measures and achieved good economic benefits. First, the selection of seedling selection Seedling selection suitable for local high-yielding varieties of blue cabbage Qin?