沼气肥是沼气肥水和残渣的总称,是农作物秸秆、人畜粪便等生物质原料经过沼气发酵制取沼气后的残留物,是一种优质农家肥料。沼气肥水含有各种水溶性养分,是一种速效性肥料。沼气渣肥有较全 Biogas fertilizer is the general name of biogas fertilizer and residue, which is a kind of high-quality farmhouse fertilizer after residues of biogas produced from biogas raw materials such as crop stalks, human and livestock excrement. Biogas fertilizer water contains a variety of water-soluble nutrients, is a quick-acting fertilizer. Biogas residue more complete