# The Fertilisers (Amendment) Regulations (Northern Ireland) 1997, Schedule 1


“
Urea-ammonium sulphate
Product obtained chemically from urea and ammonium sulphate containing not less than 30% nitrogen (N).
Amount of:Total nitrogen:
0.5
Minimum ammoniacal nitrogen content: 4%
Ammoniacal nitrogen; Ureic nitrogen;
As set out in paragraph 7(a)
Minimum sulphur content expressed as sulphur trioxide: 12% Maximum biuret content: 0.9%
Water-soluble sulphur trioxide;
0.9
”

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Source: https://www.legislation.gov.uk/nisr/1997/378/schedule/1 (the official version)
Page: https://openlegislation.uk/fertilisers-amendment-regulations-northern-ireland-1997/schedule-1
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.