摘要
根据杨树用材人工林生长模型、收获模型、结构模型和材种出材量模型 ,采用技术经济的原理 ,利用净现值法 ,对我省主栽的两个杨树品种 (“鲁×山”、小钻杨 )的经济效益进行了预测分析。结果表明 :“鲁×山”、小钻杨的净现值和内部收益率分别达到 7819.5 7%、5 2 80 .4 0 %和 33.97%、2 2 .0 0 % ,且产投比大于 1,经济效益显著 ,该项研究可为同类地区大面积营造杨树用材人工林 。
According to the growth model, harvest model,structural model and volume model of timber species, the authors carried out the analysis and prediction of economic benefit of two varieties of poplar (Lu(Shan poplar and Xiao Zhuan poplar) using tech-economic principle and the method of net present value (NPV).The NPV for Lu(Shan poplar and Xiao Zhuan poplar was 7819.57 and 5280.40 respectively and the inner revenue rate (IRR) was 33.97% and 22.00% respectively. Their output-input ratio was more than 1, which means the benefit is significant. This study can provide technical economic reference for afforestation of poplar plantation in large scale on the similar site, particularly for optimizing cultivation model of poplar.
出处
《防护林科技》
2002年第4期17-18,共2页
Protection Forest Science and Technology
