METHOD OF REDUCING CAKING OF AMMONIUM PHOSPHATE-BASED FERTILISER Russian patent published in 2013 - IPC C05G3/00 

FIELD: chemistry.

SUBSTANCE: invention relates to agriculture. The method of reducing caking of ammonium phosphate-based fertiliser, obtained by neutralising wet-process phosphoric acid with ammonia with granulation of the end product, while adding a magnesium-containing additive into the process, the magnesium-containing additive being added at the neutralisation step and taken in an amount necessary to maintain the ratio F:MgO=1:(0.15-0.75) in the end product.

EFFECT: invention increases strength of granules and reduces caking of fertiliser.

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