{
  "url": "https://openlegislation.uk/eu-regulation-2003-2003/division-D.",
  "json_url": "https://openlegislation.uk/eu-regulation-2003-2003/division-D..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/D.",
  "kind": "division",
  "number": "D",
  "heading": "Inorganic secondary nutrient 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 or type designation\nNutrient content to be declaredForms and solubilities of the nutrientsOther criteria\n1\n2\n3\n4\n5\n6\n1\nCalcium sulphate\nProduct of natural or industrial origin containing calcium sulphate at various degrees of hydration\n25 % CaO\n35 % SO3\nCalcium and sulphur expressed as total CaO + SO3\nFineness of grind:\nat least 80 % to pass through a sieve with a 2 mm mesh width,\nat least 99 % to pass through a sieve with a 10 mm mesh width\nUsual trade names may be added\nTotal sulphur trioxide\nOptional: total CaO\n2\nCalcium chloride solution\nCalcium chloride solution of industrial origin\n12 % CaO\nCalcium expressed as water-soluble CaO\nCalcium oxide\nOptional: for plant spraying\n2.1\nCalcium formate\nChemically obtained product containing calcium formate as essential ingredient\n33,6 % CaO\nCalcium expressed as water-soluble CaO\n56 % formate\nCalcium oxide\nFormate\n2.2\nCalcium formate fluid\nProduct obtained by dissolution in water of calcium formate\n21 % CaO\nCalcium expressed as water-soluble CaO\n35 % formate\nCalcium oxide\nFormate\n2.3\nCalcium chelate of iminodisuccinic acid\nChemically obtained product containing calcium chelate of iminodisuccinic acid as essential ingredient, without addition of organic nutrients of animal or vegetable origin\n9 % CaO\nCalcium expressed as CaO, chelated by iminodisuccinic acid (IDHA) water-soluble.\nCalcium expressed as CaO, chelated by iminodisuccinic acid (IDHA) water-soluble\n3\nElemental sulphur\nComparatively refined natural or industrial product\n98 % S (245 %: SO3)\nSulphur expressed as total SO3\nTotal sulphur trioxide\n4\nKieserite\nProduct of mineral origin containing monohydrated magnesium sulphate as main component\n24 % MgO\n45 % SO3\nMagnesium and sulphur expressed as water-soluble magnesium oxide and sulphur trioxide\nUsual trade names may be added\nWater-soluble magnesium oxide\nOptional: water-soluble sulphur trioxide\n5\nMagnesium sulphate\nProduct containing heptahydrated magnesium sulphate as main ingredient\n15 % MgO\n28 % SO 3\nWhere micro-nutrients are added, and declared in accordance with Article 6(4) and 6(6):\n10 % MgO\n17 % SO 3\nMagnesium and sulphur expressed as water-soluble magnesium oxide and sulphur trioxide\nThe usual trade names may be added\nWater-soluble magnesium oxide\nWater-soluble sulphur trioxide\n5.1\nMagnesium sulphate solution\nProduct obtained by dissolution in water of magnesium sulphate of industrial origin\n5 % MgO\n10 % SO3\nMagnesium and sulphur expressed as water-soluble magnesium oxide and water-soluble sulphuric anhydride\nUsual trade names may be added\nWater-soluble magnesium oxide\nOptional: water-soluble sulphuric anhydride\n5.2\nMagnesium hydroxide\nProduct obtained chemically and having as its essential ingredient magnesium hydroxide\n60 % MgO\nParticle size: at least 99 % able to pass through a sieve with a mesh of 0,063 mm\nTotal magnesium oxide\n5.3\nSuspension of magnesium hydroxide\nProduct obtained by suspension of type 5.2\n24 % MgO\nTotal magnesium oxide\n6\nMagnesium chloride solution\nProduct obtained by dissolving magnesium chloride of industrial origin\n13 % MgO\nMagnesium expressed as magnesium oxide\nMaximum calcium content: 3 % CaO\nMagnesium oxide",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "F",
      "label": "F1",
      "text": "Inserted by Commission Regulation (EU) No 137/2011 of 16 February 2011 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": "Inserted by Commission Regulation (EU) 2020/1666 of 10 November 2020 amending Regulation (EC) No 2003/2003 of the European Parliament and of the Council relating to fertilisers for the purpose of including a new type of EC fertiliser in Annex I (Text with EEA relevance)."
    },
    {
      "type": "F",
      "label": "F3",
      "text": "Substituted by Commission Regulation (EC) No 1020/2009 of 28 October 2009 amending Regulation (EC) No 2003/2003 of the European Parliament and of the Council relating to fertilisers for the purposes of adapting Annexes I, III, IV and V 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/D.",
    "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."
}