脐橙无核、汁多、甜度高、肉嫩软可口,属于香料果品类的优良品种之一。近几年各地引种,适应性广。但缺点是开花量大,自然着果率很低,一般不到2%。加之其他不利因素,着果更少。为提高着果率必须采用适宜的综合保花保果措施。(一)加强春季肥水管理。在施采果肥的基础上,春季要施好促花稳果肥。 Navel orange seedless, juicy, sweet, soft soft meat, spices belong to one of the fine varieties. In recent years introduced around the wide adaptability. But the disadvantage is the large amount of flowering, the natural fruit rate is very low, generally less than 2%. Combined with other unfavorable factors, less fruit. In order to improve the fruit rate, we must adopt the appropriate comprehensive flower preservation measures. (A) to strengthen spring fertilizer management. In the application of fruit fertilizer on the basis of good spring flowers to stabilize fruit fertilizer.