Dual purpose urease and nitrification inhibitors
Patent
·
OSTI ID:6645219
This patent describes a method for inhibiting the nitrification of ammonium nitrogen resulting from the inclusion of ammonia or ammonium-containing fertilizers to nitrite and nitrate at a situs, the situs including soil systems. It comprises: exposing soil containing nitrifying organisms at the situs to relatively small predetermined amounts of thiophosphoryl triamide. The method is characterized by the fact that loss from the situs of fertilizer nitrogen values by leaching and denitrification therefrom and the resulting potential for groundwater pollution by the leaching and atmospheric pollution by the denitrification is eliminated or substantially reduced.
- Assignee:
- Tennessee Valley Authority, Muscle Shoals, AL (USA)
- Patent Number(s):
- US 4932991; A
- Application Number:
- PPN: US 7-267153A
- OSTI ID:
- 6645219
- Resource Relation:
- Patent File Date: 3 Nov 1988
- Country of Publication:
- United States
- Language:
- English
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