{
  "url": "https://openlegislation.uk/eu-regulation-2003-2003/division-A./division-A.1.",
  "json_url": "https://openlegislation.uk/eu-regulation-2003-2003/division-A./division-A.1..json",
  "legislation": "eur/2003/2003",
  "legislation_title": "Regulation (EC) No 2003/2003 of the European Parliament and of the Council of 13 October 2003 relating to fertilisers (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2003-2003",
  "path": "division/A./division/A.1.",
  "kind": "division",
  "number": "A.1",
  "heading": "Nitrogenous fertilisers",
  "text": "No\nType designation\nData on method of production and essential ingredients\nMinimum content of nutrients (percentage by weight)Data on the expression of nutrientsOther requirements\nOther data on the type designation\nNutrient content to be declaredForms and solubilities of the nutrientsOther criteria\n1\n2\n3\n4\n5\n6\n1(a)\nCalcium nitrate (nitrate of lime)\nChemically obtained product containing calcium nitrate as its essential ingredient and possibly ammonium nitrate\n15 % N\nNitrogen expressed as total nitrogen or as nitric and ammoniacal nitrogen. Maximum content of ammoniacal nitrogen: 1,5 % N\nTotal nitrogen\nAdditional optional particulars:\nNitric nitrogen\nAmmoniacal nitrogen\n1(b)\nCalcium magnesium nitrate (nitrate of lime and magnesium)\nChemically obtained product containing calcium nitrate and magnesium nitrate as essential ingredients\n13 % N\nNitrogen expressed as nitric nitrogen. Minimum content of magnesium in the form of water-soluble salts expressed as magnesium oxide: 5 % MgO\nNitric nitrogen\nWater-soluble magnesium oxide\n1(c)\nMagnesium nitrate\nChemically obtained product containing as its essential ingredient hexahydrated magnesium nitrate\n10 % N\nNitrogen expressed as nitric nitrogen\nWhen marketed in the form of crystals as note ‘in crystallised form’ may be added\nNitric nitrogen\nWater-soluble magnesium oxide\n14 % MgO\nMagnesium expressed as water-soluble magnesium oxide\n2(a)\nSodium nitrate (nitrate of soda)\nChemically obtained product containing sodium nitrate as its essential ingredient\n15 % N\nNitrogen expressed as nitric nitrogen\nNitric nitrogen\n2(b)\nChile nitrate\nProduct prepared from caliche, containing sodium nitrate as its essential ingredient\n15 % N\nNitrogen expressed as nitric nitrogen\nNitric nitrogen\n3(a)\nCalcium cyanamide\nChemically obtained product containing calcium cyanamide as its essential ingredient, calcium oxide and possibly small quantities of ammonium salts and urea\n18 % N\nNitrogen expressed as total nitrogen, at least 75 % of the nitrogen declared being bound in the form of cyanamide\nTotal nitrogen\n3(b)\nNitrogenous calcium cyanamide\nChemically obtained product containing calcium cyanamide as its essential ingredient, and calcium oxide and possibly small quantities of ammonium salts and urea, plus added nitrate\n18 % N\nNitrogen expressed as total nitrogen, at least 75 % of the non-nitric nitrogen declared being bound in the form of cyanamide. Nitric nitrogen content:\nminimum: 1 % N\nmaximum: 3 % N\nTotal nitrogen\nNitric nitrogen\n4\nSulphate of ammonia\nChemically obtained product containing ammonium sulphate as its essential ingredient, possibly with up to 15 % calcium nitrate (nitrate of lime).\n19,7 % N\nNitrogen expressed as total nitrogen.\nMaximum content of nitric nitrogen 2,2 % N if calcium nitrate (nitrate of lime) is added.\nWhen marketed in the form of a combination of ammonium sulphate and calcium nitrate (nitrate of lime), the designation must include ‘ with up to 15 % calcium nitrate (nitrate of lime) ’ .\nAmmoniacal nitrogen.\nTotal nitrogen if calcium nitrate (nitrate of lime) is added\n5\nAmmonium nitrate or calcium ammonium nitrate\nChemically obtained product containing ammonium nitrate as its essential ingredient, which may contain fillers such as ground limestone, calcium sulphate, ground dolomite, magnesium sulphate, kieserite\n20 % N\nNitrogen expressed as nitric nitrogen and ammoniacal nitrogen, each of these two forms of nitrogen accounting for about half the nitrogen present.\nSee Annexes III.1 and III.2 of this regulation, if required.\nThe designation ‘calcium ammonium nitrate’ is exclusively reserved for a fertiliser containing only calcium carbonate (for instance limestone) and/or magnesium carbonate and calcium carbonate (for instance dolomite) in addition to ammonium nitrate. The minimum content of these carbonates must be 20 % and their purity level at least 90 %\nTotal nitrogen\nNitric nitrogen\nAmmoniacal nitrogen\n6\nAmmonium sulphate-nitrate\nChemically obtained product containing as essential ingredients ammonium nitrate and ammonium sulphate\n25 % N\nNitrogen expressed as ammoniacal and nitric nitrogen. Minimum nitric nitrogen content: 5 %\nTotal nitrogen\nAmmoniacal nitrogen\nNitric nitrogen\n7\nMagnesium sulphonitrate\nChemically obtained product containing ammonium nitrate, ammonium sulphate and magnesium sulphate as essential ingredients\n19 % N\nNitrogen expressed as ammoniacal and nitric nitrogen. Minimum nitric nitrogen content: 6 % N\nTotal nitrogen\nAmmoniacal nitrogen\n5 % MgO\nMagnesium in the form of water-soluble salts expressed as magnesium oxide\nNitric nitrogen\nWater-soluble magnesium oxide\n8\nMagnesium ammonium nitrate\nChemically obtained product containing ammonium nitrates and magnesium compound salts (dolomite magnesium carbonate and/or magnesium sulphate) as essential ingredients\n19 % N\nNitrogen expressed as ammoniacal nitrogen and nitric nitrogen. Minimum nitric nitrogen content 6 % N\nTotal nitrogen\nAmmoniacal nitrogen\nNitric nitrogen\n5 % MgO\nMagnesium expressed as total magnesium oxide\nTotal magnesium oxide and possibly, water-soluble magnesium oxide\n9\nUrea\nChemically obtained product containing carbonyl diamide (carbamide) as its essential ingredient\n44 % N\nTotal ureic nitrogen (including biuret). Maximum biuret content: 1,2 %\nTotal nitrogen, expressed as ureic nitrogen\n10\nCrotonylidene diurea\nProduct obtained by reaction of urea with crotonaldehyde\nMonomeric compound\n28 % N\nNitrogen expressed as total nitrogen\nAt least 25 % N from the crotonylidene diurea\nMaximum ureic nitrogen content: 3 %\nTotal nitrogen\nUreic nitrogen where this is at least 1 % by weight\nNitrogen from crotonylidene diurea\n11\nIsobutylidene diurea\nProduct obtained by reaction of urea with isobutyraldehyde Monomeric compound\nMonomeric compound\n28 % N\nNitrogen expressed as total nitrogen\nAt least 25 % N from isobutylidene diurea\nMaximum ureic nitrogen content: 3 %\nTotal nitrogen\nUreic nitrogen where this is at least 1 % by weight\nNitrogen from isobutylidene diurea\n12\nUrea formaldehyde\nProduct obtained by reaction of urea with formaldehyde and containing as its essential ingredients molecules of urea formaldehyde\nPolymeric compound\n36 % N total nitrogen\nNitrogen expressed as total nitrogen\nAt least 3/5 of the declared total nitrogen content must be soluble in hot water\nAt least 31 % N from urea formaldehyde\nMaximum ureic nitrogen content: 5 %\nTotal nitrogen\nUreic nitrogen where this is at least 1 % by weight\nNitrogen from formaldehyde urea that is soluble in cold water\nNitrogen from formaldehyde urea that is only soluble in hot water\n13\nNitrogenous fertiliser containing crotonylidene diurea\nProduct obtained chemically containing crotonylidene diurea and a straight nitrogen fertiliser [List A-1, excluding products 3(a), 3(b) and 5]\n18 % N expressed as total nitrogen\nAt least 3 % nitrogen in ammoniacal and/or nitric and/or ureic form\nAt least 1/3 of the declared total nitrogen content must be derived from crotonylidene diurea\nMaximum biuret content:\n(ureic N + crotonylidene diurea N) × 0,026\nTotal nitrogen\nFor each form amounting to at least 1 %:\nnitric nitrogen\nammoniacal nitrogen\nureic nitrogen\nNitrogen from crotonylidene diurea\n14\nNitrogenous fertiliser containing isobutylidene diurea\nProduct obtained chemically containing isobutylidene diurea and a straight nitrogenous fertiliser [List A-1, excluding products 3(a), 3(b) and 5]\n18 % N expressed as total nitrogen\nAt least 3 % nitrogen in ammoniacal and/or nitric and/or ureic form\nA least 1/3 of the declared total nitrogen content must derive from isobutylidene diurea\nMaximum biuret content:\n(Ureic N + isobutylidene diurea N) × 0,026\nTotal nitrogen\nFor each form amounting to at least 1 %:\nnitric nitrogen\nammoniacal nitrogen\nureic nitrogen\nNitrogen from isobutylidene diurea\n15\nNitrogenous fertiliser containing urea formaldehyde\nProduct obtained chemically containing urea formaldehyde and a straight nitrogenous fertiliser [List A-1, excluding products 3(a), 3(b) and 5]\n18 % N expressed as total nitrogen\nAt least 3 % nitrogen in ammoniacal and/or nitric and/or ureic form\nAt least 1/3 of the declared total nitrogen content must derive from urea formaldehyde\nThe nitrogen from the urea formaldehyde must contain at least 3/5 nitrogen that is soluble in hot water\nMaximum biuret content:\n(Ureic N + urea formaldehyde) × 0,026\nTotal nitrogen\nFor each form amounting to at least 1 %:\nnitric nitrogen\nammoniacal nitrogen\nureic nitrogen\nNitrogen from urea formaldehyde\nNitrogen from urea formaldehyde that is soluble in cold water\nNitrogen from urea formaldehyde that is only soluble in hot water\n16\nUrea-ammonium sulphate\nProduct obtained chemically from urea and ammonium sulphate\n30 % N\nNitrogen expressed as ammoniacal and ureic nitrogen\nMinimum ammoniacal nitrogen content: 4 %\nMinimum sulphur content expressed as sulphur trioxide: 12 %\nMaximum biuret content: 0,9 %\nTotal nitrogen\nAmmoniacal nitrogen\nUreic nitrogen\nWater-soluble sulphur trioxide",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Deleted by Commission Regulation (EC) No 1107/2008 of 7 November 2008 amending Regulation (EC) No 2003/2003 of the European Parliament and of the Council relating to fertilisers for the purposes of adapting Annexes I and IV thereto to technical progress (Text with EEA relevance)."
    },
    {
      "type": "F",
      "label": "F2",
      "text": "Substituted by Commission Regulation (EC) No 1107/2008 of 7 November 2008 amending Regulation (EC) No 2003/2003 of the European Parliament and of the Council relating to fertilisers for the purposes of adapting Annexes I and IV thereto to technical progress (Text with EEA relevance)."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2003/2003/division/A./division/A.1.",
    "retrieved_at": "2026-11-01T14:55:51.297977+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}