银杏为落叶大乔木,在中国广泛栽培且历史悠久。它集食品、药用、材用、绿化、观赏等功能于一体,是经济效益较高的多功能特种经济树种。它生命力强、寿命长,一次栽培多年受益,是农民脱贫致富的好树种。因此发展银杏生产,提高银杏播种育苗的场圃发芽率尤显重要。一、播种地选择银 Ginkgo is a large deciduous tree, widely cultivated in China and has a long history. It combines food, medicine, wood, green, ornamental and other functions in one, is a high economic efficiency of multi-functional special economic tree species. Its vitality and long life, a cultivation for many years to benefit, is a good species of peasants to get rid of poverty. Therefore, the development of ginkgo production, raising seedling nursery Ginkgo biloba germination rate is particularly important. First, sow to choose silver