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一、目的与方法为了探讨南亚热带果树龙眼的树体营养变化规律,进行了叶片营养诊断,以了解龙眼树体营养水平与年周期变化及由营养转向生殖的临界期,并根据生长发育特点提出令理的施肥意见。以种植在莆田下花果场红壤梯田龙眼园的十三年生乌龙岭品种作为试验材料,第一年按
First, the purpose and methods In order to explore the tree subtropical fruit longan tree nutrition changes, leaf nutrition diagnosis to understand the longan tree nutrition level and the annual cycle of transition from nutrition to reproductive critical period, and according to the characteristics of growth and development Order fertilization advice. To planted in Putian, Huasuochang red soil terraces Longyan Park, the 13-year-old Wulongling varieties as a test material, according to the first year