{
  "url": "https://openlegislation.uk/water-resources-control-of-agricultural-pollution-wales-regulations-2021/schedule-4",
  "json_url": "https://openlegislation.uk/water-resources-control-of-agricultural-pollution-wales-regulations-2021/schedule-4.json",
  "legislation": "wsi/2021/77",
  "legislation_title": "The Water Resources (Control of Agricultural Pollution) (Wales) Regulations 2021",
  "legislation_url": "https://openlegislation.uk/water-resources-control-of-agricultural-pollution-wales-regulations-2021",
  "path": "schedule/4",
  "kind": "schedule",
  "number": "4",
  "heading": "Permitted crops for the closed period",
  "text": "Crop\nMaximum nitrogen rate (kg/hectare)\n(a)Nitrogen must not be spread on crops after 31 October.\n(b)An additional 50 kg of nitrogen per hectare may be spread every four weeks during the closed period up to the end of harvest.\n(c)A maximum of 40 kg of nitrogen per hectare may be spread at any one time.\nOilseed rape, winter\n30\nAsparagus\n50\nBrassica\n100\nGrass\n80\nOver-wintered salad onions\n40\nParsley\n40\nBulb onion\n40",
  "extent": "E+W",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "I",
      "label": "I1",
      "text": "Sch. 4 in force at 1.4.2021, see reg. 1(3)"
    },
    {
      "type": "footnote",
      "label": "f1",
      "text": "(a)Nitrogen must not be spread on crops after 31 October."
    },
    {
      "type": "footnote",
      "label": "f2",
      "text": "(b)An additional 50 kg of nitrogen per hectare may be spread every four weeks during the closed period up to the end of harvest."
    },
    {
      "type": "footnote",
      "label": "f3",
      "text": "(c)A maximum of 40 kg of nitrogen per hectare may be spread at any one time."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/wsi/2021/77/schedule/4",
    "retrieved_at": "2026-11-12T03:41:32.369257+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."
}