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银杏叶用林生产的经营目的是收获叶子，银杏幼树顶端优势强，成枝率低，银杏枝条有长枝和短枝之分，长枝年生长量２０ｃｍ～１００ｃｍ，短枝每年仅延长１ｃｍ～２ｃｍ。因此，促发长枝，提高成枝率，从而达到提高产叶量目的。１ 材料与方法１．１ 试验地概况试验地设在浙江
Ginkgo biloba forest production business purposes is to harvest the leaves, ginkgo saplings at the top edge of a strong, low rate of branches, ginkgo branches of long branches and short branches, long branches annual growth of 20cm ~ 100cm, spur extension only 1cm per year ~ 2cm. Therefore, to promote long branches, raising the rate of branches, so as to achieve the purpose of increasing leaf yield. 1 Materials and Methods 1.1 The general situation of the test site located in Zhejiang