Dual purpose urease and nitrification inhibitors

Details Dual purpose urease and nitrification inhibitors Dual purpose urease and nitrification inhibitors

1988-11-03

1990-06-12

Lander, Ferris H.

Chemistry: fertilizers

Processes and products

Organic material-containing

71902, 71 27, 71 61, C05G 308

Patent

active

049329928

ABSTRACT:
The first embodiment of the present invention relates to my discovery that thiophosphoryl triamide can be utilized as a nitrification inhibitor for controlling the nitrification of ammonium to nitrate. The second embodiment relates to my discovery that this same compound can be used to control, within predetermined limits, the ammonium
itrate ratios in urea-based fertilizers, by serving as a dual-purpose inhibitor to control both urease inhibition and nitrification inhibition and thereby maximize plant response characteristics in direct proportion to nutrient value amendments to the soil environment.

REFERENCES:
patent: H25 (1986-02-01), Radel

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