冬油菜适合大面积机械化耕作,多年来为渭南地区农垦局各农场的主要油料作物之一,面积达数万亩。1976和77两年由于冬季低温死亡率高达70%以上,严重影响了产量。为了从栽培上解决防冻保苗问题,我们于78年进行了200亩油菜机械化沟播高培土试验,取得了良好效果。 Winter rape is suitable for large-scale mechanized farming. For many years, it has been one of the main oil crops of various farms in the Bureau of Reclamation in Weinan, covering an area of ​​tens of thousands of mu. In 1976 and 1977, the winter low temperature mortality rate was as high as over 70%, seriously affecting the yield. In order to solve the problem of antifreeze seedlings from the cultivation, we carried out in 200 years 200 acres of canola mechanized furrow planting high soil test, and achieved good results.