一、林木速生丰产的概念与意义林木速生丰产是指单位面积内,林木的平均年生长量超过大多数地区同一面积的年生长量,达到丰产规定的年生长指标。一个林业生产单位,在同一立地条件下,单位面积内林木生长量的高低,集中反应了这一生产单位的科学技术和经营管理的水平,也集中反应了经济效益和工作成果。因此,从事林业生产的单位,都十分关心林木的年生长 First, the concept of forest fast growing yield and meaning Forest fast growing is the unit area, the average annual growth of trees more than the same area in most parts of the annual growth, to achieve the provisions of annual yield growth targets. Under the same site condition, a forestry production unit concentrated on the level of growth of trees within a unit area, focused on the science and technology and management level of the production unit, and also concentratedly reflected economic benefits and work results. Therefore, units engaged in forestry production are very concerned about the annual growth of trees