【摘 要】
：
杜仲茎干由髓心部、木质层、形成层、树皮层四大部分构成。1.幼树将一胸径达到6～8厘米的杜仲树第一次取皮,是用锋锐的小刀,从地基部用刀尖绕树的地基干环割一刀,深度标准是割
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杜仲茎干由髓心部、木质层、形成层、树皮层四大部分构成。1.幼树将一胸径达到6～8厘米的杜仲树第一次取皮,是用锋锐的小刀,从地基部用刀尖绕树的地基干环割一刀,深度标准是割断树皮层,树干1.5～2米处绕树干环割一刀,割断树皮层,以不伤及形成层为标准,再把刀尖口从上线刀圈口处
Eucommia stem by the pith center, the woody layer, the formation of layers, bark layer of four major components. 1. Saplings will be a diameter of 6 to 8 centimeters Eucommia first take the skin is a sharp knife, from the base of the knife with a knife around the tree trunk ring cut a knife, the depth of the standard is cut off the bark layer, Trunk of 1.5 to 2 meters around the trunk ring cut a knife, cut off the bark layer, to not hurt and the formation of the standard, and then the knife tip from the line cutter mouth
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