# Regulation (EU) 2019/1009 of the European Parliament and of the Council of 5 June 2019 laying down rules on the making available on the market of EU fertilising products and amending Regulations (EC) No 1069/2009 and (EC) No 1107/2009 and repealing Regulation (EC) No 2003/2003 (Text with EEA relevance), Division 4: The term ‘mineral fertiliser’ may be used only if the fertiliser belongs to PFC 1(C) and fulfils the following additional conditions:

Extent: E+W+S+N.I.

(a) the mineral fertiliser must not contain more than 1 % by mass of organic carbon (Corg), other than organic carbon from:
(i) chelating or complexing agents referred to in point 3 of CMC 1 in Part II of Annex II,
(ii) nitrification inhibitors, denitrification inhibitors or urease inhibitors referred to in point 4 of CMC 1 in Part II of Annex II,
(iii) coating agents referred to in point 1(a) of CMC 9 in Part II of Annex II,
(iv) urea (CH4N2O), or
(v) calcium cyanamide (CaCN2);
(b) where phosphorus (P) is a declared nutrient, the declared phosphorus content shall consist only of phosphorus in the phosphatic form, and the mineral fertiliser shall fulfil at least one of the following solubility criteria:
(i) water solubility: minimum level 40 % of total phosphorus (P),
(ii) solubility in neutral ammonium citrate: minimum level 75 % of total phosphorus (P), or
(iii) solubility in formic acid (only for soft rock phosphate): minimum level 55 % of total phosphorus (P);
(c) where nitrogen (N) is a declared nutrient, the declared nitrogen content shall consist only of the sum of nitric nitrogen, ammoniacal nitrogen, ureic nitrogen, and nitrogen from methylene-urea, from isobutylidenediurea, and from crotonylidenediurea.

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Source: https://www.legislation.gov.uk/eur/2019/1009/annex/III/part/II/division/1/division/4 (the official version)
Page: https://openlegislation.uk/eu-regulation-2019-1009/annex-III/part-II/division-1/division-4
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.