当前,乃至今后若干年内,就其森林的直接效益——提供木材而言,供需矛盾将越来越尖锐。提高林木的生长量,培育速生丰产林,是解决这一矛盾的办法之一。然而,集约经营又是达此目的的重要而有效的途径。按小班经 At present, and even in the coming years, the contradiction between supply and demand will become more and more acute in terms of the direct benefits of its forests - providing timber. To increase the growth of trees and cultivate fast-growing and high-yield forests is one way to solve this contradiction. However, intensive management is another important and effective way to achieve this goal. By small class by