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我县位于天目山北麓,东经119°43′,北纬30°58′。年平均气温15.6℃,无霜期225天。土壤pH值4.5—5.5。境内植被丰富,盛产竹、木。“三国”时期,已有人工种植的银杏,南宋时已盛行栽种。许家村的老银杏,树龄已上千年,树高19米,胸径1.08米,冠幅达180平方米,树势虽已衰老,尚能年产白果70市斤以上。树干空洞中,落子生出的一株
My county is located in the northern foot of Mount Tianmu, longitude 119 ° 43 ’, latitude 30 ° 58’. The annual average temperature of 15.6 ℃, frost-free period of 225 days. Soil pH 4.5-5.5. The territory of rich vegetation, rich bamboo, wood. During the “Three Kingdoms” period, ginkgo cultivated artificially has been planted in the Southern Song Dynasty. Xu village of the old ginkgo, age has been thousands of years, 19 meters high, 1.08 meters diameter at breast height, crown width of 180 square meters, although the tree is old, but still able to produce more than 70 kilograms of ginkgo annually. Trunk empty hole, the child gave birth to a strain