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本文对幼龄叶用银杏从不同密度、不同采叶方式，综合产叶量和黄酮含量两方面因素，对其药用价值进行了分析评价，结果表明：３ 年生幼龄叶用银杏种植密度以 ７．５ 万株／ｈｍ ２ 为佳，７．５～１１ 万株／ｈｍ ２ 均宜，年２ 次采叶包括 １／２ 采、全采和 １ 次性采叶对照 ３ 种采叶方式无显著性差异，以 １ 次性采叶为宜。
In this paper, young ginkgo biloba from different densities, different ways of harvesting leaves, the integrated production of leaves and flavonoids in two aspects of its medicinal value were analyzed and evaluated, the results show that: 3-year-old leaves with ginkgo density 7500 plants / hm 2, 7.5 ~ 110000 plants / hm 2, 2 times of harvesting in every year including 1/2 harvesting, all-harvesting and one-time picking Three kinds of harvesting methods None Significant differences in one-time picking leaves is appropriate.