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１肥料选择中科院南京土壤所引进的美国“高乐”叶面肥，配方以氮、磷、钾为主，还含有铁、锌、锰、硼、铜、钼等多种微量元素。根据龙眼生育期对养分吸收的需求情况，选用高钾型（氮、磷、钾比例为１５：１０：３０）“高乐”叶面肥作根外追肥。结果发现：喷施高钾型“高乐”?
Fertilizer selection Nanjing Institute of Soil Introduction of the United States, “Gaole” foliar fertilizer, the formula is mainly nitrogen, phosphorus and potassium, but also contains iron, zinc, manganese, boron, copper, molybdenum and other trace elements. According to the needs of the longan period of nutrient absorption, the choice of high-potassium (nitrogen, phosphorus and potassium ratio of 15:10:30) “Happy” foliar fertilizer for root top dressing. The results showed that: spraying high-potassium “high music”?