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笔者在调查观测、探索研究的基础上，将人工授粉作为增产创收、发挥陕南银杏资源优势的重要技术课题，经多年研究实验，获得成效。1997年在西乡县桑元城关镇示范推广，应用于生产。实施授粉雌树20株，比1996年常规生产平均增产4．93倍，每株平均增加收入332．70元，比现有科技
On the basis of investigation, exploration and research, the author takes artificial pollination as an important technical project to increase yield and income and exert the resource advantages of southern Shaanxi ginkgo. After many years of research and experiments, the project has achieved results. In 1997 in Xixiang County Sang Yuan Chengguan demonstration and promotion, used in production. The implementation of 20 pollinating female trees, an average increase of 4.93 times the conventional production in 1996, an average increase of 332.70 yuan per plant, than the existing technology