山地梯田生态果园沼气池建设管理及生产效益评价

Evaluation of Construction Management and Production Benefits of Ecological Orchard Biogas Digesters in Mountain Terraces

通过对庄浪梯田化县山地梯田生态果园建设及投入产出情况典型调查和分析,应用项目决策与评价财务分析方法对农户生态果园沼气池建设管理和生产效益进行经济评价。结果表明,8 m3沼气池动态投资回收期为3.29年,财务净现值为16.72万元,内部收益率为34.1%,具有良好的经济效益,为贫困山区梯田发展生态农业提供了典例。

Through the typical investigation and analysis of the construction and input-output situation of the ecological orchard in the terraced fields Zhuanglang County of Terrace,the project decision-making and evaluation financial analysis methods were used to economically evaluate the management and production efficiency of the farmers′ ecological orchard biogas digesters. The results showed that the dynamic investment recovery period of the 8 m3 biogas digester was 3.29 years, with a financial net present value of 167 200 yuan and an internal rate of return of 34.1%.It had good economic benefits and provided a good example for the development of ecological agriculture in poor mountainous terraces.