Ammonia stabilized high analysis liquid fertilizers

Details Ammonia stabilized high analysis liquid fertilizers Ammonia stabilized high analysis liquid fertilizers

C - Chemistry, Metallurgy

05

G

71/23

C05G 1/00 (2006.01)

Patent

CA 1210952

ABSTRACT OF THE DISCLOSURE High analysis non-ammoniated liquid fertilizers comprising the reaction product of urea and phosphoric acid having a pH between 1.5 and 4 and optionally containing the reaction product of urea and sulfuric acid, various trace including those normally found as contaminants in wet process phosphoric acid, potash and gelling agents, said fertilizers being further characterized as having total analysis of N, P2O5 and K2O of at least 25 weight percent and preferably 30 weight percent or greater, stabilized against decomposition of the urea portion of the reaction products by the presence of from about 1 to 2.5 weight percent ammonia, when P2O5 is greater than 30 weight percent and from about 1 to 4 weight percent ammonia when P2O5 is less than 30 weight percent with an amount of less than 2.5 weight percent ammonia being preferred in both cases.

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