Fecha de publicación: 25/07/2013 Fuente: WIPO "organic farming" The present invention belongs to the field of agriculture, namely to the method for obtaining a liquid bioorganic fertilizer. The method for obtaining a liquid bioorganic fertilizer comprises water extraction of mineral nutrients and biologically active substances contained, in the starting raw material, water insoluble deposit separation, alkaline extraction of humus substances from it, the separation of alkaline extract, its neutralization and association with the water extract, characterized by the fact that: preparations must be of organic origin only; water extraction is performed during 1-3 hours at.20-40 °C, starting raw material to the extractant ratio is 1 :3— 1 :5; alkaline extraction is performed twice during 10-16 hours at 20-40 °C with solution of the water extract of plant ash as an extractant; alkaline extract is neutralized with citric acid to 6,5-7,5 pH level, 10-15 mg/l of sorbic acid is added and it is joined with the obtained water extract, stirred and allowed to stand.