{
  "url": "https://openlegislation.uk/eu-regulation-2003-2003/division-B./division-B.3.",
  "json_url": "https://openlegislation.uk/eu-regulation-2003-2003/division-B./division-B.3..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/B./division/B.3.",
  "kind": "division",
  "number": "B.3",
  "heading": "NK fertilisers",
  "text": "B.3.1.\nType designation:\nNK fertilisers.\nData on method of production:\nProduct obtained chemically or by blending, without addition of organic nutrients of animal or vegetable origin.\nMinimum content of nutrients (percentage by weight):\nTotal: 18 % (N + K2O);\nFor each of the nutrients: 3 % N, 5 % K2O.\nForms, solubilities and nutrient content to be declared as specified in columns 4, 5 and 6Particle size\nData for identification of the fertilisersOther requirements\nN\nP2O5\nK2O\nN\nP2O5\nK2O\n1\n2\n3\n4\n5\n6\n(1)\nTotal nitrogen\n(2)\nNitric nitrogen\n(3)\nAmmoniacal nitrogen\n(4)\nUreic nitrogen\n(5)\nCyanamide nitrogen\nWater-soluble K2O\n(1)\nTotal nitrogen\n(2)\nIf any of the forms of nitrogen (2) to (5) amounts to at least 1 % by weight, it must be declared\n(1)\nWater-soluble potassium oxide\n(2)\nThe indication ‘low in chloride’ is linked to a maximum content of 2 % Cl\n(3)\nChloride content may be declared\nB.3.2.\nType designation:\nNK fertiliser containing crotonylidene diurea or isobutylidene diurea or urea formaldehyde (as appropriate).\nData on method of production:\nProduct obtained chemically without addition of organic nutrients of animal or vegetable origin and containing crotonylidene diurea or isobutylidene diurea or urea formaldehyde.\nMinimum content of nutrients (percentage by weight):\nTotal: 18 % (N + K2O);\nFor each of the nutrients:\n5 % N\nAt least ¼ of the declared content of total nitrogen must derive from nitrogen form (5) or (6) or (7).\nAt least 3/5 of the declared nitrogen content (7) must be soluble in hot water,\n5 % K2O.\nForms, solubilities and nutrient content to be declared as specified in columns 4, 5 and 6Particle size\nData for identification of the fertilisersOther requirements\nN\nP2O5\nK2O\nN\nP2O5\nK2O\n1\n2\n3\n4\n5\n6\n(1)\nTotal nitrogen\n(2)\nNitric nitrogen\n(3)\nAmmoniacal nitrogen\n(4)\nUreic nitrogen\n(5)\nNitrogen from crotonylidene diurea\n(6)\nNitrogen from isobutylidene diurea\n(7)\nNitrogen from urea formaldehyde\n(8)\nNitrogen from urea formaldehyde that is only soluble in hot water\n(9)\nNitrogen from urea formaldehyde that is soluble in cold water\nWater-soluble K2O\n(1)\nTotal nitrogen\n(2)\nIf any of the forms of nitrogen (2) to (4) amounts to at least 1 % by weight, it must be declared\n(3)\nOne of the forms of nitrogen (5) to (7) (as appropriate). Nitrogen form (7) must be declared in the form of nitrogen (8) and (9)\n(1)\nWater-soluble potassium oxide\n(2)\nThe indication ‘low in chloride’ is linked to a maximum content of 2 % Cl\n(3)\nChloride content may be declared",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2003/2003/division/B./division/B.3.",
    "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."
}