Abstract: Biogas residue has been wildly used in agriculture and stockbreeding for its rich content of nutriment and microelement and improving immune ability of crop and livestock.

• 摘 要: 沼渣是厌氧发酵的残留物，由于其富合营养物质及微量元素，对动植物的生长发育和抗病能力的提高有显著作用，故已在农业，畜牧业，养殖业等方面得到广泛应用。