METHOD FOR PREPARING ORGANO-MINERAL COMBINED FERTILIZER Russian patent published in 2008 - IPC C05D9/00 C05F3/00 C05F7/00 C05F9/04 

FIELD: production of fertilizers.

SUBSTANCE: the suggested organic-mineral combined fertilizer includes quartz-glauconite sand and the source of organic substance. As the organic substance one should apply mixture of manure and slime residue obtained in the course of biological purification of household waste waters. The mixture should be obtained due to adding manure before treating slime residue by the processes of disinfection, neutralization and drying. On treating the residue and mixing it with quartz-glauconite sand the fertilizer has been obtained at the following ratio of the components, weight%: quartz-glauconite sand 2025; manure 1015; slime residue 6070. As the sauce of manure one should predominantly apply fowl manure. The fertilizer obtained according to the declared method provides increased soil fertility, improved soil structure and ecological degree in cultivating agricultural crops.

EFFECT: higher efficiency.

1 cl, 2 ex