摘要
本文采用净现值、内部收益率和效益成本比3种方法,对长白落叶松人工林的现实林、丰产林和模式林进行了比较分析。
This paper analyses the data of input and output of the plantation of different age class through net present value,internal income sate and effective cost rate on sealistic forest,high yield forest and model forest,which provide on basis of the decision for cultivation technique and establish the base of industrial timbes forest.
出处
《林业科技》
北大核心
1997年第1期4-6,共3页
Forestry Science & Technology
基金
林业部国家"八五"攻关课题
关键词
长白落叶松
人工林
培育
经济效益
Larix olgansis
Plantation
Cultivation
Economic effect