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湖北省宜都市聂家河镇丁家坪村的鄢正益发现将杜仲茎于整段剥皮后,不仅可延长杜仲生存周期,提高产量药
Yan Zhengyi, Dingjiaping Village, Nijiahe Town, Yidu City, Hubei Province, found that after the entire stripping of the stem of Eucommia ulmoides, it not only prolongs the survival period of Eucommia ulmoides, but also increases the yield of medicine