METHOD OF PREPARING FERTILIZER WITH BIOACTIVE ADDITIVE Russian patent published in 1999 - IPC

FIELD: agriculture, more particularly, manufacture of fertilizers using poultry waste and ethyl alcohol waste. SUBSTANCE: organic component is mixed with microbiological agent. Organic agent is poultry waste, and microbiological agent is microbiological ethyl production waste which is biomixture of microorganisms useful for fermentation of sugar and starch-containing stock. Ratio of organic to microbiological components is 5:1 by volume. The resulting mixture is granulated. Fertilizer further comprises mineral compounds and also micro- and macroelements. Method makes it possible to vary, within wide ranges, content of nutrients and also micro- and macro-elements depending on conditions of application of fertilizers and to reduce consumption of mineral fertilizers in the production of various agricultural crops. EFFECT: more efficient preparation method. 2 cl