杜仲资源合理开发与利用杜仲是我国特有的经济树种之一。长期以来，以野生资源为主，大量砍树剥皮的趋势严重，致使资源遭到严重破坏，有的地方甚至连采种母树都难以找到。近年来，通过人工栽培有了一定发展，但仍存在采剥不合理、管理粗放、生产效率低、资源日益减少等问... Eucommia resources, rational development and utilization of Eucommia is one of China’s unique economic tree species. For a long time, with wild resources as the mainstay, a large number of peeled trees have been devastated. As a result, resources have been severely damaged. In some places, it is hard to find even the mother trees. In recent years, there has been some progress through artificial cultivation, but there are still some problems such as unreasonable exploitation and exploitation, extensive management, low production efficiency and diminishing resources ...