树皮类中药材增产方法梁仰贞杜仲、厚朴和黄柏是皮用为主的中药材树种，运用如下方法可使其树皮获得增产。一、敲打树皮：在树干的一侧，用小木棒敲打，使树干木质部与初皮部之间松驰，由于另一侧树皮没有敲打，植株不致枯死。待被敲打一侧树干长出一层新皮，又可敲打树干... Bark Chinese herbal medicine production methods Liang Yangzhen Eucommia, Magnolia officinalis and Cortex Phellodendri is the main use of Chinese herbal medicines tree species, the following methods can be used to increase production of its bark. One, beat the bark: on the side of the trunk, with a small stick beat, so that between the xylem and the primary cutaneous relaxation, because the other side of the bark is not beaten, the plant will not die. To be beat side of the trunk grow a layer of new skin, but also beat the trunk ...