根据中柑所对于都县30个脐橙园土壤营养元素检测结果,分析土壤pH值、有机质、有效氮、有效磷、有效钾、有效铜、有效锌、有效铁、有效锰、有效钙、有效镁、有效硼等含量高低,对脐橙生长与结果和产量与果品质量的影响,对照柑桔类果树对土壤营养元素需求的适量标准进行分析比较,脐橙生产中要依据土壤检测结果与需求标准,提出施肥建议,逐步使土壤各营养元素趋于平衡。 According to the results of soil nutrient analysis of 30 navel orange orchards in Zhongdu, the effects of soil pH, organic matter, available nitrogen, available phosphorus, available potassium, available copper, available zinc, available iron, available manganese, available calcium, , Effective content of boron and other factors on the growth and yield of navel orange and fruit quality, citrus fruit trees compared with the appropriate amount of soil nutrient requirements analysis and comparison criteria, navel orange production in accordance with the soil test results and the requirements of standards, put forward Fertilization recommendations, and gradually make the soil nutrient balance.