四川省剑阁县森林覆盖率达29.33%,柏木蓄积量达531万立方米,占总蓄积量的88.5%。当地柏木年自然生长量9万立方米,年抚育间伐柏木3万立方米。为变无用为有用,四川省林科所开展柏木根桩的加工利用,他们在剑阁县林化厂,用根桩破碎块蒸馏柏木油,柏木油进 Sichuan Province Jiange County forest coverage rate reached 29.33%, cedar volume of 5310000 cubic meters, accounting for 88.5% of the total volume. Local cypress wood natural growth of 90,000 cubic meters, annual tending to cut 30,000 cubic meters of cypress. To become useless as useful, Linke in Sichuan Province to carry out the processing and utilization of cypress root pile, they are in Jiange County forest plant, broken with root pile broken block cypress oil, cedar oil into