沼肥是人畜粪便、秸秆等多种有机物经过厌氧发酵产生沼气后的残留物,即沼渣、沼液。沼肥是一种优质的有机肥料,能显著改善土壤环境,有效调节土壤中的水、肥、气、热,促进土壤生态环境良性循环。据测定,经过沼气池发酵30天的沼气肥,同未经发酵的普通敞口池相比较,全氮 Biogas manure is manure, straw and other organic substances after anaerobic fermentation biogas residues, that is, biogas residue, biogas slurry. Biogas fertilizer is a kind of high-quality organic fertilizer, which can significantly improve the soil environment, effectively regulate the water, fertilizer, gas and heat in the soil and promote the virtuous circle of the soil ecological environment. It is determined that after biogas digestion 30 days of biogas fertilizer, with the un-fermented ordinary open-cell compared to total nitrogen