Fertilisers Regulation, Annex I, F Nitrification and urease inhibitors

This list contains Annex I fertiliser types according to their specific characteristics. Regulation 2003/2003/EC consolidates all European Union rules that apply to fertilisers, and ensures that the technical requirements it outlines are implemented uniformly. The Regulation only applies to mineral fertilisers consisting of one or more plant nutrients.

N-(n-Butyl) thiophosphoric triamide (NBPT)

EC / List no: 435-740-7 CAS no: 94317-64-3
Ref No.
Minimum and maximum inhibitor content as a percentage by mass of the total nitrogen present as ammonium nitrogen and urea nitrogen Max inhibitor content
0.2 % by mass
Min inhibitor content
0.09 % by mass
IF.2 Annex I: F.2: Urease inhibitors

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