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近几年来,随着农村沼气建设的迅猛发展,“三沼”的综合利用,作为发展现代农业、促进节能减排、改善生态环境越来越受到各级政府的关心,越来越受到农民朋友的关切。沼渣和沼液是指人畜粪便、农作物秸秆等有机物质经厌氧发酵产生沼气后的剩余物,二者亦被合称作沼肥。沼渣是沼气发酵后残留在池底部的半固体物质,占沼肥总量的12%;沼液是沼气发酵残留物中的液体成分,占沼肥总量的88%。沼液、沼渣含有丰富的有机质、氮、磷、钾等营养成分及氨基酸、B族维生素、各种水解酶、某些植物生长素、对病虫害有抑制作用的物质或因
In recent years, with the rapid development of rural biogas construction and the comprehensive utilization of “three marshland”, more and more people are being concerned about the development of modern agriculture, energy conservation and emission reduction and ecological environment improvement at all levels of government Farmers friends concern. Biogas residue and biogas slurry refer to the residue after biogas production from organic manure, crop stalks and other organic substances by anaerobic fermentation, and the two are collectively referred to as biogas. Biogas residue is the semi-solid material remaining at the bottom of the pond after biogas fermentation, accounting for 12% of the total amount of biogas fertilizer. The biogas slurry is the liquid component in the biogas fermentation residue, accounting for 88% of the total amount of biogas fertilizer. Biogas slurry and biogas residue are rich in organic matter, nitrogen, phosphorus, potassium and other nutrients and amino acids, B vitamins, various hydrolases, certain auxin, substances that inhibit pests and diseases,