沼液是一种优质、高效的无公害有机肥料,是人畜粪便等生物质经沼气池厌氧发酵的产物,它含有丰富的有机物质、腐殖酸、微量营养元素、多种氨基酸、酶类和有益微生物,极宜作根外施肥,其效果比化肥好。 Biogas slurry is a kind of high quality and efficient pollution-free organic fertilizer. It is the product of anaerobic fermentation of biomass such as manure and livestock excrement by biogas digesters. It contains abundant organic substances, humic acid, micronutrients, various amino acids, enzymes And beneficial microorganisms, it is best for root fertilization, the effect is better than fertilizer.