湖北荆州地区利用“三沼”(沼气、沼液、沼肥),发展庭院经济已达6.2万户,占全地区农户的72％,农民增收1800万元。在利用“三沼”发展庭院经济的6.2万农户中,沼气是他们的主要热能资源。利用沼液养猪的有2684户,养猪9870头;推广沼液养鱼2861户,水面达1.1万亩;利用沼液浸种2698户,浸种57000公斤。利用沼肥施果树2705户,面积3209亩;利用沼肥、棉壳培育食用菌1121户,面积已达1028平方米。 Jingzhou, Hubei Province, the use of “three marsh” (biogas, biogas slurry, marsh manure), the development of the courtyard economy has reached 62,000, accounting for 72% of farmers in the region, peasants increased 18 million yuan. Among the 62,000 households that have used the “three marsh” to develop the courtyard economy, biogas is their main source of heat energy. The use of biogas pig raising 2684 households, 9870 pigs; promotion of biogas slurry fish 2861, the water up to 11000 acres; soaking seed soaking 2698, soaking 57000 kg. The use of biogas facilities fruit tree 2705, an area of ​​3209 acres; use of marsh manure, cotton shell to cultivate 1121 edible mushrooms, the area has reached 1028 square meters.