Rapeseed is one of the most important oil crops of Brassica in Chink. Its planting area reached 733 million ha in 2000, and the production of oilseed over 1100 million ton every year.

• 油菜(rapeseed)是十字花科(Cruciaferae)芸薹属(Brassica)作物；2000年以来年种植面积已突破1.；1亿亩；油菜籽年总产量达到1100万吨以上；均居世界首位。