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报道了沙田柚产区土壤养分状况、沙田柚营养需求特性和叶片与果实对营养元素吸收的季节性变化模式、沙田柚果实品质指标与各时期树体营养元素含量的相关性，以及磷肥活化剂的使用。分析了沙田柚产量和品质提高的因素。研制出了沙田柚系列专用肥，并探讨了其使用的效果和经济效益。
This paper reports the soil nutrient status of Shatian pomelo producing area, the nutritional requirements of Shatian pomelo and the seasonal changes of nutrient absorption by leaves and fruits, the correlation between the quality indexes of Shatian pomelo fruit and the nutrient elements contents of the tree in each period, usage of. The factors affecting the yield and quality of pomelo were analyzed. Developed a series of special Shatian pomelo fertilizer, and explored the use of the results and economic benefits.