BIOORGANIC FERTILIZER Russian patent published in 2005 - IPC

FIELD: agriculture, fertilizers.

SUBSTANCE: bioorganic fertilizer comprises avian dung processed by enzymatic fermentation in combination with trace elements including copper, cobalt and zinc, and macronutrient elements also - nitrogen, phosphorus and potassium in the bound form. Biological and organic components are combined in the fertilizer and components of fertilizer are taken in the following ratio, wt.-% per absolutely dry matter: macronutrient elements - total nitrogen, 4.0-7.0; ammonium nitrogen, 2.5-4.0; phosphorus (P₂O₅), 7.0-12.0; potassium (K₂O), 1.0-3.0; trace elements, mass concentration in mg/l, not above: copper, 3.0; cobalt, 5.0; zinc, 23.0; water, wt.-%, 85-95. Invention provides safety utilization of corrosive waste from poultry plant, enhances the productivity and quality of production significantly and reduces consumption of fertilizers. Invention can be used in production of high-effective bioorganic fertilizers.

EFFECT: improved preparing method, valuable properties of fertilizer.

1 dwg, 1 tbl, 3 ex