FIELD: agriculture.
SUBSTANCE: invention relates to the agriculture. Composition with improved effect of urease inhibition, which contains: mixture, which contains at least one triamide (thio)phosphoric acid of general formula R1R2NP(X)(NH2)2, where X is oxygen or sulphur; R1 represents group C1-C20-alkyl, C3-C20-cycloalkyl, C6-C20-aryl or dialkylaminocarbonyl; R2 is H, or R1 and R2 together with nitrogen atom, which binds them, denotes 5- or 6-member saturated or unsaturated heterocyclic radical which optionally contains 1 or 2 additional heteroatoms selected from the group consisting of nitrogen, oxygen and sulphur, and an aliphatic alkylenediamine.
EFFECT: invention increases stability of triamide (thio)phosphoric acid, intensifies the effect of inhibiting urease of triamide (thio)phosphoric acid, increases yield and prolongs storage life.
12 cl, 1 dwg, 2 tbl, 1 ex
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