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本文从栽培和气象角度探讨龙眼花而不实的原因及对策．平衡施肥水平偏低,病虫害防治不力和暖冬,3月中下旬气温骤然升高是花而不实的主要原因．加强平衡施肥、病虫害防治和科学理化摘按可缓解此现象．
This paper explores the causes and countermeasures of the longan flower inaccurately from the perspective of cultivation and meteorology. Low level of balanced fertilization, pest and disease control and warm winter, the sudden increase in temperature in mid to late March is the main reason for the sluggish. Strengthening balanced fertilization, pest and disease control and physical and chemical picks can alleviate this phenomenon.