FIELD: agriculture.
SUBSTANCE: inventions relate to agriculture. Method of producing compacted granular phosphate fertilizer involves: making an ammonium phosphate suspension; granulating said suspension to obtain phosphate fertilizer granules; sorting the fertilizer granules by size into granules of optimum size, having excess granule size and having insufficient granule size; mincing granules with insufficient size to obtain a stream of crushed granules; and compacting the flow of ground granules to obtain compacted granular phosphate fertilizer. Inorganic fertilizer contains multiple granules of compacted phosphate fertilizer produced by the method.
EFFECT: invention enables to obtain optimized by composition granular phosphate fertilizer.
20 cl, 1 dwg
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