结球甘蓝是一种叶片肥大的结球性蔬菜。因它在幼苗期、莲座期、结球期需要吸收大量的营养物质，因而在栽培中应根据土壤条件和它的不同生育期对养分的需求，及时、合理地进行施肥，才能实现优质高产。一般秋甘蓝，从播种、出苗到开始结球，其中氮和磷约占总吸收量的１５％～２ Cabbage is a hypertrophy of the blade of the ball of vegetables. Because it needs to absorb a large amount of nutrients at the seedling stage, rosette stage and the knotting stage, it is necessary to fertilize in a timely and reasonable manner according to the soil conditions and the nutrient requirements at different growth stages during cultivation, so as to achieve high quality and high yield. Generally autumn cabbage, from sowing, seedling to the beginning of the ball, of which nitrogen and phosphorus accounted for about 15% of total absorption ~ 2