养蚯蚓的出路主要不是以商品出售,而是搞综合利用,以一家农户为单位,其循环多级的经济效益如下:①把畜禽粪、叶料等投入沼气池,8立方米池年产沼气280立方米,年省柴草2,012斤,折60元。②用沼气渣栽培食用菌,8立方米池产渣60—80担,可栽培20平方米食用菌,约收入150元左右。③食用菌脚料和畜粪等作蚯蚓饲料,可产鲜蚓200斤,喂畜禽以转产出肉、蛋20斤计,价值为 The way to raise earthworms is mainly not to sell goods, but to engage in comprehensive utilization, to a farmer as a unit, the cycle of economic benefits are as follows: ① the livestock manure, leaf and other inputs into the digester, 8 cubic meters of annual output Biogas 280 cubic meters, 2,012 pounds of provincial firewood, off 60 yuan. ② biogas cultivation of edible mushrooms, 8 cubic meters of slag production 60-80 Tam, 20 square meters can be edible mushrooms, about 150 yuan income. ③ edible mushroom waste and livestock manure and other earthworms feed can produce fresh earthworms 200 pounds, livestock and poultry to convert the meat, eggs, 20 pounds, the value of