Fluid fertilizers containing thiophosphoryl triamide

Details Fluid fertilizers containing thiophosphoryl triamide Fluid fertilizers containing thiophosphoryl triamide

1986-07-24

1987-06-30

Lander, Ferris H.

Chemistry: fertilizers

Processes and products

Organic material-containing

71902, C05G 308

Patent

active

046768220

ABSTRACT:
The herein described practice and operating procedures relating to the instant invention have demonstrated the utility and economic advantages of slightly acidic, neutral, and slightly basic fluid fertilizer solutions containing urea and the urease inhibitor thiophosphoryl triamide in preventing or at least substantially reducing the loss of ammoniacal nitrogen from soils to which such fluid fertilizers are often surface applied. The results of said testing procedures also demonstrate a new, novel, and heretofore unknown method of utilizing said thiophosphoryl triamide in conjunction with urea which method circumvents the problem usually encountered in the practice of prior art processes of rapid inhibitor decomposition in solid mixtures with urea.

REFERENCES:
patent: H25 (1886-02-01), Radel
patent: 4518413 (1985-05-01), Swerdloff et al.

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