FIELD: agriculture.
SUBSTANCE: inventions relate to agriculture. The compositions for granular fertilizer contain carbamide and functional additives, and as functional additives the compositions contain ammonium sulfate and the urease inhibitor, alkylbenzyldimethylammonium chloride or didecyldimethylammonium chloride, selected from the group of quaternary ammonium salts. All components are taken at a certain ratio.
EFFECT: inventions make it possible to prevent the decomposition of urea into ammonia and carbon dioxide, thus reducing nitrogen losses due to the introduction of a urease inhibitor into the granules, to provide a synergistic effect, to create a stable granular urea-ammonia mixture with no hygroscopicity.
2 cl, 8 tbl, 6 ex
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