“四位一体”生态模式,把建沼气池和改厕、改圈、改厨、改院同步进行。该技术模式是以植物生产与动物转化,再与微生物还原的一种生物链,通过沼气池发酵,优化生态系统内部结构,实现农村经济发展与生态环境保护的和谐与统一;合理地利用自然资源,保持农业可持续发展,促进整个社会 “Four in One” eco-mode, the construction of digesters and lavatories, change the circle, change the kitchen, change the hospital simultaneously. The technology model is a kind of biological chain that takes plant production and animal transformation and then reduces with microorganism. It ferments through digester to optimize the internal structure of ecosystem and achieve the harmony and unification of rural economic development and ecological environment protection. The rational use of natural resources , Maintain sustainable agricultural development and promote the entire community