초록 ▼

High analysis 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 elements including those normally found as contaminants in wet process phosphoric acid, p

High analysis 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 elements 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.

대표청구항 ▼

A high analysis, non-ammoniated, liquid fertilizer which is the reaction product of urea and phosphoric acid or a mixture of phosphoric acid and sulfuric acid, and characterized as a clear liquid, which does not salt out at 0°C., has a pH of less than 4 and has an analysis of N and P2O5 and K2O tota

A high analysis, non-ammoniated, liquid fertilizer which is the reaction product of urea and phosphoric acid or a mixture of phosphoric acid and sulfuric acid, and characterized as a clear liquid, which does not salt out at 0°C., has a pH of less than 4 and has an analysis of N and P2O5 and K2O totaling at least 25 weight percent of the fertilizer in the ranges of >0 to 30 wt. % N, 5 to 50 wt. % P2O5 and 0 to 12 wt. % K2O.