沼肥包括沼液和沼渣,沼液内含有水溶性氮、磷、钾、微量元素、氨基酸以及维生素等营养。沼渣中的主要养分含量有:30%～50%的有机质、10%～20%的腐植酸、0.8%～2.0%的全氮(N)、0.4%～1.2%的全磷以及0.6%～2.0%的全钾。可作为优质有机肥提供作物营养,刺激和调节作物生长,对某些病害和虫害具有防治作用,并能增强作物抗病性,能够提高作物产量,取得了 Biogas fertilizer, including biogas slurry and biogas residue, biogas slurry containing water-soluble nitrogen, phosphorus, potassium, trace elements, amino acids and vitamins and other nutrients. The main nutrients in the biogas residue are: 30% -50% organic matter, 10% -20% humic acid, 0.8% -2.0% total nitrogen, 0.4% -1.2% total phosphorus and 0.6% 2.0% of total potassium. It can provide crop nutrition as high-quality organic fertilizer, stimulate and regulate crop growth, prevent and control certain diseases and insect pests, enhance crop disease resistance, increase crop yield, and obtain