油菜花角期是指油菜始花到成熟的一段时期,包括开花期和角果发育期。开花期只有少量营养生长,以生殖生长为主。抓好油菜开花结角期的田间管理是夺取油菜高产的最后关键。花角期要注意防止油菜营养不足或氮肥过多,通过巧妙地施花肥、粒肥,以减少阴角,防止脱落,提高结角率、结籽数和粒重,提高含油量。此外,要注意抗旱防渍,及时摘除老黄叶,预防倒伏。施花肥要根据苗情、地力等 Rape angle is the beginning of rapeseed flowering to mature period, including flowering and pod development. Only a small amount of flowering vegetative growth, mainly reproductive growth. Good grasp of rape blossom knot field management is the final key to winning rapeseed yield. Flower angle should pay attention to prevent rape lack of nutrition or too much nitrogen, fertilizers through fertilizer, granulation, to reduce the negative angle, to prevent falling off, improve knot rate, seed number and grain weight, increase oil content. In addition, we must pay attention to drought stains, timely removal of yellow leaves, to prevent lodging. Fertilizer should be based on seedlings, fertility and so on