Contributions and Constraints of Rural Household Biogas Construction Project in Northeast China: A Case Study of Gongzhuling County

Household biogas is not only an important part of the development of rural new energy, but also an important aspect of sustainable development in China. This paper analyses the contributions and constraints of rural household biogas based on the sampling data in Gongzhuling County. The result shows that biogas construction can protect environment, improve the quality of farmers´ lives. However, the cold fermentation temperature and incomplete technological service mainly restrict the implement of biogas project. Basing on the analysis above, the paper brings forward the relevant countermeasures and policy suggestions.