银杏早实丰产的潜力及施磷、钾肥控制落果的效果

Potentiality of early bearing,high production and effect of control abscission of fruits by application of phosphoric and potassium fertilizer on maidenhair trees

银杏幼树具有良好的早实丰产潜力 ,而较好的树木长势是其早实丰产的基础。栽植银杏嫁接苗在第 9a便可进入丰产期 ,株产可达 5kg。加强肥培管理能促进早实丰产 ,增施磷、钾肥还可有效地控制银杏幼树的落果。

The young stands of Ginkgo biloba L.have potentiality of early bearing and high production based on their vigorous growth.The fruits of a grafted young trees would be abound(5 kg)in ninth year after planting.The early bearing and production of Ginkgo bioba L.were promoted by fertilizer application.The abscission of its fruits was controled by application of phosphoric and potassium fertilizer.