COMPLEX FERTILIZER Russian patent published in 2004 - IPC

FIELD: production of organomineral fertilizers.

SUBSTANCE: composition for producing of complex fertilizer comprises bird dung with moisture content of 50-70%, saw dust with particle size not in the excess of 3 mm, said saw dust being preliminarily subjected to fermentation, upper peat with moisture content of 40-70% and particle size not in the excess of 3 mm, and dolomite flour. Components are used in the following ratio, wt%: bird dung 5-15; upper peat 12-25; fermented saw dust 7-15; dolomite flour 6-20; nitrogen source 13-24; phosphor source 18-30; potassium source 6-15. Such composition allows high-quality fertilizer to be produced, said fertilizer providing plant feeding during the entire growing period and facilitating accumulation of humus layer, when utilized for prolonged time.

EFFECT: increased efficiency and improved quality of complex fertilizer allowing plants to be supplied with feed and humus layer to be restored.

2 cl, 1 tbl, 10 ex