In Tancheng County, there are more than 20,000 gingko trees over 300 years old, making up 40 percent of the total number nationally. The cultivated area of gingko trees has reached 20,000 hectares with a yearly yield of 4 million kilograms of ginkgo nuts, 10 million kilograms of ginkgo leaves, generating a 2 billion yuan annual production value, ranking first in China. (Youth.cn/Sun Zhao)
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