21-02-2019 дата публикации
Номер: US20190055169A1
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The invention relates to a synergistic mixture of urease inhibitor and nitrification inhibitor for the treatment of urea-containing fertilizers, more particularly having an improved urease-inhibitory effect, to the use thereof, and to urea-containing fertilizers comprising said mixture. 112-. (canceled)14. The mixture of claim 13 , wherein component A comprises (thio)phosphoric triamides of the general formula (I) which are (ii) N-alkylthiophosphoric triamides for which X═S and R═H claim 13 , and/or (ii) N-alkylphosphoric triamides for which X═O and R═H.15. The mixture of claim 13 , further comprising component C claim 13 , wherein component C comprises:c) at least one compound containing an amino group or a substituted amino group and having a boiling point of more than 100° C., selected from methyldiethanolamine, tetrahydroxypropylethylenediamine, trimethylaminoethylethanolamine, N,N,N′,N′-tetrarnethyl-1,6-hexanediamine, N,N′,N″-tris(dimethylaminopropyl)hexahydrotriazine, 2,2′-dimorpholinyldiethyl ether, or mixtures thereof in at least 0.2 times the molar amount of component A.16. The mixture of claim 13 , further comprising:(x) component D, wherein component D comprises a solvent for the (thio)phosphoric triamides, and/or(y) component E, wherein component E comprises a polymer in dissolved or dispersed form.17. The mixture of claim 13 , wherein component A and component B are in a weight ratio in the range from 1:1.5 to 1:5.18. The mixture of claim 13 , wherein component A is N-(n-butyl)thiophosphoric triamide.19. A method for reducing the nitrogen losses in a soil treated with a fertilizer claim 13 , said method comprising delivering the mixture of in the form of a formulation claim 13 , solution or dispersion to the soil separately or simultaneously to the fertilizer.20. A method for reducing the nitrogen losses or lowering ammonia load in a substrate claim 13 , said method comprising delivering the mixture of to the substrate claim 13 , wherein the substrate ...
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