FIELD: agricultural production, in particular, production of organic fertilizers with the use of weak manure sewage from animal farms. SUBSTANCE: method involves exposing manure sewage to anaerobic processing, said manure sewage including weak sewage produced upon usage of hydraulic or gravitational systems for removal of manure from animal houses. Before anaerobic processing, manure sewage is subjected to mixing with solid manure or dung to moisture content of 90-96%. EFFECT: increased efficiency in producing of liquid organic fertilizers disinfected from pathogenic microflora, free from weedage seeds and having low odor level. 1 dwg
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