METHOD OF MANUFACTURING ORGANOMINERAL FERTILIZERS Russian patent published in 1997 - IPC

FIELD: agriculture. SUBSTANCE: claimed method comprises mixing organic waste with formalin, urea, phosphorus- and potassium containing components and specific additive at certain ratio of components so that moisture content of the whole mixture does not exceed 40-43 wt %. Briquettes are prepared from the resulting mixture and are then dried in piles. After drying the briquettes to moisture content of 5-15 %, they may be moistened in organic waste having high moisture content and used as additive. The addition includes any moisture retentive cellulose (liguin) containing material, e.g. sawdust, cut straw, peat, husk, ground wood bark, paper waste or mixture thereof with organomineral fertilizer. EFFECT: more efficient manufacturing method. 2 cl, 1 tbl