人、畜粪便及农作物秸秆经厌氧反应后,残留的液体和固体成分,液体成分称为沼液,不仅含有较为丰富的可溶性无机盐类,同时还含有多种沼气发酵的生化产物,在利用过程中表现出多方面的功效。固体成分称为沼渣,它是富含腐殖质的有机物,含量为40～60%,全氮1～2%,并含有维生素、激素等。 After the anaerobic reaction of man, livestock excrement and crop stalks, the residual liquid and solid components and liquid components are called biogas slurry, which not only contains abundant inorganic salts but also biochemical products that are biogas fermentation. The process showed a wide range of effects. Solid composition called biogas residue, it is humus-rich organic matter content of 40 ~ 60%, 1 ~ 2% of total nitrogen, and contains vitamins, hormones and so on.