The Research on Age at Economic Maturity of Chinese Fir Plantations
Chen Ze-sheng · 2010
Using standards materials of Chinese fir plantations to establish Growth-Harvest Estimate Model,using net present value method to research economic maturity according to technical and economic indicator.The results show that:In existing technical and economic indicator situation,the age at economic maturity of Chinese fir plantations is 17 years when the interest rate is 5%.If other conditions maintain invariably,when the timber price or the cost fluctuates 20% every time,the age at economic maturity of Chinese fir plantations will postpone or ahead of time for 1 year.The interest rate has a significant influence on the arrival of economic mature age,every time when the interest rate increases 1%,the economical mature age will ahead of 1 year.