依靠科技进步发展持续林业的若干问题刘于鹤林业部副部长一林业的发展，在为国民经济提供大量木材及林产品的同时，使整个国家的生态环境得到了明显的改善，保证了农业的稳产高产，促进了整个国家的经济繁荣。但我国处在经济发展时期，森林资源基础薄弱。科学经营历史短暂... Development of Sustainable Forestry by Relying on Scientific and Technological Progress Liu Yu-heh, Deputy Minister of Forestry A development of forestry, while providing a great deal of timber and forest products for the national economy, has greatly improved the ecological environment of the entire country and ensured a steady and high-yield of agriculture , Promoting the economic prosperity of the entire country. However, in the period of economic development in our country, the foundation of forest resources is weak. Short history of scientific management ...