青菜是十字花科爱苔属芙苔种白菜亚种的一个变种，又叫油菜，小白菜，以绿叶供食。吉林省一般于春、秋露地栽培和大棚栽培。露地栽培于4月中下旬做畦撒播，6月上中旬收获。秋季栽培在6～8月，每隔15～20天分期播种1次，8～10月分期收获。大棚栽培可在果菜类定植前收获，或与果 Green cabbage is cruciferous Ephedra funeral Chinese cabbage subspecies of a variant, also known as rape, cabbage, with green leaves for food. Jilin Province in spring and autumn are generally cultivated and greenhouse cultivation. Open-field cultivation in mid to late April to sow broadcast, harvest in mid-June. Autumn cultivation in June to August, every 15 to 20 days staged sowing, 8 to October staged harvest. Greenhouse cultivation can be harvested in the fruit and vegetable before planting, or with fruit