如何有效地发挥次生林区森林植被,在涵养水源、保持水土、改善生态环境、恢复生态平衡中的作用,贯彻“以营林为基础,普遍护林,大力造林,采育结合,永续利用”的方针,这是摆在林业工作者面前急待解决的问题。作者从1985—1987年,通过在桥北、桥山、黄龙山林业局(场)进行总体设计的实践,对次生林的综合培育及其周期的确定问题,有如下几点认识,简单介绍如下。 How to effectively play the role of forest vegetation in secondary forest areas, conservation of water sources, conservation of soil and water, improvement of ecological environment and restoration of ecological balance, and implementation of “based on silviculture, afforestation, strong afforestation, combination of harvesting and sustainable development” Policy, which is placed in front of forestry workers in urgent need of solution. From 1985 to 1987, through the practice of overall design in Qiaobei, Qiaoshan, Huanglongshan forestry bureau, the author has the following points on the comprehensive cultivation of secondary forests and the determination of their cycle. The brief introduction is as follows.