小黑杨纸浆林经济效益的研究

Study on the Economic Benefit of Lesser Black Poplar Pulp Plantation

利用投入产出分析的方法，结合财务指标评价对小黑杨纸浆林培育的经济效益进行了分析，结果表明：现行经济环境下，小黑杨纸浆林的经济成熟龄可定为１２～１３ａ；财务指标：内部收益率、净现值、效益成本比、土地期望值、净投资效益率皆以经济成熟龄为轮伐期的模式为最高，工艺成熟龄为轮伐期的模式为最低；抗风险能力也是经济成熟龄为轮伐期的模式优于以数量成熟龄为轮伐期或工艺成熟龄为轮伐期的培育模式。

Using income and outcome manner and financial index, the economic benefit to cultivate Lesser Black Poplar Pulp Plantation was analysed It is show that the economic mature age of Lesser Black Poplar Pulp Plantation is 12～13 years old on the condition of present economic environment For the economic index such as IRR, NPV, B/C, N/K, and LEW, the cultivation model taking economic mature age as rotation period is the highest, the cultivation model taking technological mature age as rotation period is the lowest; About the ability to resist danger, it is superior for the cultivation model taking economic mature age as rotation period to the cultivation model taking quantity mature age or technological mature age as rotation period