几年来陕西关中东部农村推广沼气综合利用的主要模式有以下几种。１．庭院养殖沼气模式在农家庭院适当地方建一口沼气池，上建畜圈、厕所，常年喂养３口～５口猪或３只～５只羊，或１头～２头牛，冬季在畜圈上加盖塑料暖棚，形成人畜粪便入沼气池，产的沼气供农户生活用能... In the past few years, the main modes of promoting the comprehensive utilization of biogas in rural areas in the eastern Guanzhong are as follows. 1. Garden biogas cultivation model In a proper place in the farmer’s courtyard to build a biogas digesters, the construction of livestock pens, toilets, perennial feeding 3 to 5 pigs or 3 to 5 sheep, or 1 ~ 2 cattle in winter in the pens Stamped with plastic warm shed, the formation of human and animal feces into the digester, biogas produced for farmers living energy ...