近十几年来 ,荔枝生产迅猛发展 ,栽培面积大幅增加 ,但荔枝的产量却增加很少。为此 ,笔者在本地区范围内进行了调查 ,分析荔枝低产的成因并进行了增产试验 ,取得了良好的效果。1　荔枝低产成因1 1　苗木质量低劣　由于荔枝苗木生产体系不完善 ,对育苗及售销过程缺乏有效管理和 In the past ten years or so, the production of lychee has been developing rapidly and its cultivation area has increased substantially. However, the output of lychee has increased little. To this end, I conducted a survey in the region, analysis of the causes of low yield of litchi and increased yield test and achieved good results. 1 litchi low yield causes 1 1 low quality seedlings litchi seedlings production system is not perfect, the lack of effective management of nursery and sales process and