中幼林的抚育间伐是关系到贯彻林业建设“以营林为基础、造管并举,造多于伐、采育结合、综合利用”的方针;是实现优质、速生、丰产的重要营林措施;是扩大森林资源,永续经营,以场定居,以场轮伐,高速度发展我国林业生产的重要工作。国家计委、物资总局和林业部,今年开始向一些省区的重点国营林业局、 The tending of young and middle-aged forests is related to the implementation of the forestry construction “based on the management of forests, and control, simultaneously creating more than cutting, combining harvesting with comprehensive utilization” approach; is to achieve high quality, fast-growing, high yield important forest management measures; It is an important task for expanding forestry resources, sustaining business, settling in fields, and turning our fields into fields at a high speed to develop forestry production in our country. State Planning Commission, the General Administration of Customs and the Ministry of Forestry, this year began to focus on the state-owned forestry bureau in some provinces and autonomous regions,