{
  "url": "https://openlegislation.uk/action-programme-for-nitrate-vulnerable-zones-scotland-amendment-regulations-2009/regulation-9",
  "json_url": "https://openlegislation.uk/action-programme-for-nitrate-vulnerable-zones-scotland-amendment-regulations-2009/regulation-9.json",
  "legislation": "ssi/2009/447",
  "legislation_title": "The Action Programme for Nitrate Vulnerable Zones (Scotland) Amendment Regulations 2009",
  "legislation_url": "https://openlegislation.uk/action-programme-for-nitrate-vulnerable-zones-scotland-amendment-regulations-2009",
  "path": "regulation/9",
  "kind": "regulation",
  "number": "9",
  "heading": "Amendment of Schedule 3",
  "text": "(1) Schedule 3 (calculation of maximum nitrogen application to crops) is amended as follows.\n(2) For Table 1, substitute—\n“\nTable 1\nNitrogen Residue Group 1 – Previous Crops in Nitrogen Residue Group 1 are: cereals, carrots, swedes, turnips (removed) & linseed\nPredominant Soil Type in Field\nPlanned crop\nStandard yield (t/ha)\nSand or shallow\nSandy loam or other mineral\nHumose\nPeaty\nAdjustments\n(a)For wheat, an additional 20kgN/ha is permitted for every tonne that the expected yield exceeds the standard yield.\n(b)For wheat, an additional 40kgN/ha is permitted to milling wheat varieties.\n(c)For barley and oats, an additional 15kgN/ha is permitted for every tonne that the expected yield exceeds the standard yield.\n(d)On winter oil seed rape, the spring application can be increased by up to 30kgN/ha if the expected yield is over 4.0t/ha.\n(e)On spring barley, an additional 15kgN/ha is permitted for high N grain distilling varieties.\nThere is no upward adjustment for excess winter rainfall on N Residue Group 1 Crops\nSpring Barley\n5.5\n150\n130\n80\n50\nWinter Barley\n6.5\n200\n180\n120\n80\nSpring Wheat\n7.0\n170\n150\n100\n60\nWinter Wheat\n8.0\n220\n200\n140\n80\nSpring Oats\n5.0\n120\n100\n50\n20\nWinter Oats\n6.0\n160\n140\n90\n50\nSpring Oilseed Rape\nn/a\n100\n100\n50\n20\nWinter Oilseed Rape (spring)\n4.0\n200\n200\n120\n80\nWinter Oilseed Rape (autumn)\nn/a\n30\n30\n30\n30\nPotatoes\nn/a\n245\n225\n175\n145\nForage Maize, Rape\nn/a\n140\n120\n70\n40\nKale\nn/a\n180\n160\n100\n60\nSwedes and Turnips\nn/a\n110\n90\n50\n20\nLinseed\nn/a\n80\n60\n30\n0\nNitrogen Residue Group 2 - Previous Crops in Nitrogen Residue Group 2 are: - harvested fodder (whole crop), oilseed rape, hemp, vining peas & potatoes\n(1)low N means average N use in last 2 years was less than 150kg/ha/year\nGrassland Management Regimes in Residue Group 2: - 1-2 year low N leys, not grazed within 2 months of ploughing out or during September or October\nPredominant Soil Type in Field\nPlanned crop\nStandard yield\n(t/ha)\nSand or shallow\nSandy loam or\nOther mineral\nHumose\nPeaty\n(a)For wheat, an additional 20kgN/ha is permitted for every tonne that the expected yield exceeds the standard yield.\n(b)For wheat, an additional 40kgN/ha is permitted to milling wheat varieties.\n(c)For barley and oats, an additional 15kgN/ha is permitted for every tonne that the expected yield exceeds the standard yield.\n(d)On winter oil seed rape, the spring application can be increased by up to 30kgN/ha if the expected yield is over 4.0t/ha.\n(e)On spring barley, an additional 15kgN/ha is permitted for high N grain distilling varieties.\nIf actual localised rainfall from 1st Oct – 1st March exceeds 450 mm: add 10kgN/ha\nSpring Barley\n5.5\n140\n120\n70\n40\nWinter Barley\n6.5\n190\n170\n110\n70\nSpring Wheat\n7.0\n160\n140\n90\n50\nWinter Wheat\n8.0\n210\n190\n130\n70\nSpring Oats\n5.0\n110\n90\n40\n10\nWinter Oats\n6.0\n150\n130\n80\n40\nSpring Oilseed Rape\nn/a\n90\n90\n40\n10\nWinter Oilseed Rape (spring)\n4.0\n190\n190\n110\n70\nWinter Oilseed Rape (autumn)\nn/a\n20\n20\n20\n20\nPotatoes\nn/a\n235\n215\n165\n135\nForage Maize, Rape\nn/a\n130\n110\n60\n30\nKale\nn/a\n170\n150\n90\n50\nSwedes and Turnips\nn/a\n100\n80\n40\n10\nLinseed\nn/a\n70\n50\n20\n0\nAdjustments\nNitrogen Residue Group 3 - Previous Crops in Nitrogen Residue Group 3 are: - harvested fodder (root only), beans, combining peas & whole crop lupins\n(2)high N means average N use in last 2 years was more than 150kg/ha/year, or high clover\nGrassland Management Regimes in Residue Group 3:\n1-2 year low N leys, grazed within 2 months of ploughing out or during September or October\n1-2 year high N leys, not grazed within 2 months of ploughing out or during September or October\nThin permanent grass, low N, no clover\nPredominant Soil Type in Field\nPlanned crop\nStandard yield\n(t/ha)\nSand or shallow\nSandy loam or other mineral\nHumose\nPeaty\nAdjustments\n(a)For wheat, an additional 20kgN/ha is permitted for every tonne that the expected yield exceeds the standard yield.\n(b)For wheat, an additional 40kgN/ha is permitted to milling wheat varieties.\n(c)For barley and oats, an additional 15kgN/ha is permitted for every tonne that the expected yield exceeds the standard yield.\n(d)On winter oil seed rape, the spring application can be increased by up to 30kgN/ha if the expected yield is over 4.0t/ha.\n(e)On spring barley, an additional 15kgN/ha is permitted for high N grain distilling varieties.\nIf actual local rainfall from 1st Oct – 1st March exceeds 450 mm:\nadd 20kgN/ha to crops grown in sandy, shallow or sandy loam soils\nadd 10kgN/ha to crops grown in other mineral, humose and peaty soils\nSpring Barley\n5.5\n130\n110\n60\n30\nWinter Barley\n6.5\n180\n160\n100\n60\nSpring Wheat\n7.0\n150\n130\n80\n40\nWinter Wheat\n8.0\n200\n180\n120\n60\nSpring Oats\n5.0\n100\n80\n30\n0\nWinter Oats\n6.0\n140\n120\n70\n30\nSpring Oilseed Rape\nn/a\n80\n80\n30\n0\nWinter Oilseed Rape (spring)\n4.0\n180\n180\n100\n60\nWinter Oilseed Rape (autumn)\nn/a\n10\n10\n10\n10\nPotatoes\nn/a\n225\n205\n155\n125\nForage Maize, Rape\nn/a\n120\n100\n50\n20\nKale\nn/a\n160\n140\n80\n40\nSwedes and Turnips\nn/a\n90\n70\n30\n0\nLinseed\nn/a\n60\n40\n10\n0\nNitrogen Residue Group 4 - Previous Crops in Nitrogen Residue Group 4 is: - grain lupin\nGrassland Management Regimes in Residue Group 4:\n-\n1-2 year high N leys, grazed within 2 months of ploughing out or during September or October\n-\n3-5 year low N leys², not grazed within 2 months of ploughing out or during September or October\n-\nThick permanent grass, low N\nPredominant Soil Type in Field\nPlanned crop\nStandard yield\n(t/ha)\nSand or shallow\nSandy loam or other mineral\nHumose\nPeaty\nAdjustments\n(a)For wheat, an additional 20kgN/ha is permitted for every tonne that the expected yield exceeds the standard yield.\n(b)For wheat, an additional 40kgN/ha is permitted to milling wheat varieties.\n(c)For barley and oats, an additional 15kgN/ha is permitted for every tonne that the expected yield exceeds the standard yield.\n(d)On winter oil seed rape, the spring application can be increased by up to 30kgN/ha if the expected yield is over 4.0t/ha.\n(e)On spring barley, an additional 15kgN/ha is permitted for high N grain distilling varieties.\nIf actual local rainfall from 1st Oct – 1st March exceeds 450 mm:\nadd 20kgN/ha to crops grown in sandy, shallow or sandy loam soils\nadd 10kgN/ha to crops grown in other mineral, humose and peaty soils\nSpring Barley\n5.5\n110\n90\n40\n10\nWinter Barley\n6.5\n170\n140\n80\n40\nSpring Wheat\n7.0\n130\n110\n60\n20\nWinter Wheat\n8.0\n180\n160\n100\n40\nSpring Oats\n5.0\n80\n60\n10\n0\nWinter Oats\n6.0\n130\n100\n50\n10\nSpring Oilseed Rape\nn/a\n60\n60\n10\n0\nWinter Oilseed Rape (spring)\n4.0\n140\n140\n80\n40\nWinter Oilseed Rape (autumn)\nn/a\n0\n0\n0\n0\nPotatoes\nn/a\n205\n185\n145\n115\nForage Maize, Rape\nn/a\n100\n80\n30\n0\nKale\nn/a\n140\n120\n60\n20\nSwedes and Turnips\nn/a\n80\n60\n20\n0\nLinseed\nn/a\n10\n0\n0\n0\nNitrogen Residue Group 5 - Previous Crops in Nitrogen Residue Group 5 are: - leafy brassica vegetables, leafy non-brassica vegetables & grazed fodder\nGrassland Management Regimes in Residue Group 5:\n-\n3 - 5 year high N leys, not grazed within 2 months of ploughing out or during September or October\n-\n3 - 5 year low N leys, grazed within 2 months of ploughing out or during September or October\n-\nPermanent grass, high N, not grazed within 2 months of ploughing out or during September or October\nPredominant Soil Type in Field\nPlanned crop\nStandard yield\n(t/ha)\nSand or shallow\nSandy loam or other mineral\nHumose\nPeaty\nAdjustments\n(a)For wheat, an additional 20kgN/ha is permitted for every tonne that the expected yield exceeds the standard yield.\n(b)For wheat, an additional 40kgN/ha is permitted to milling wheat varieties.\n(c)For barley and oats, an additional 15kgN/ha is permitted for every tonne that the expected yield exceeds the standard yield.\n(d)On winter oil seed rape, the spring application can be increased by up to 30kgN/ha if the expected yield is over 4.0t/ha.\n(e)On spring barley, an additional 15kgN/ha is permitted for high N grain distilling varieties.\nIf actual local rainfall from 1st Oct – 1st March exceeds 450 mm:\nadd 20kgN/ha to crops grown in sandy, shallow or sandy loam soils\nadd 10kgN/ha to crops grown in other mineral, humose and peaty soils\nSpring Barley\n5.5\n80\n60\n10\n0\nWinter Barley\n6.5\n140\n110\n50\n10\nSpring Wheat\n7.0\n100\n80\n30\n0\nWinter Wheat\n8.0\n150\n130\n70\n10\nSpring Oats\n5.0\n50\n30\n0\n0\nWinter Oats\n6.0\n100\n70\n20\n0\nSpring Oilseed Rape\nn/a\n30\n30\n0\n0\nWinter Oilseed Rape (spring)\n4.0\n110\n110\n50\n0\nWinter Oilseed Rape (autumn)\nn/a\n0\n0\n0\n0\nPotatoes\nn/a\n175\n155\n135\n105\nForage Maize, Rape\nn/a\n70\n50\n0\n0\nKale\nn/a\n110\n90\n30\n0\nSwedes and Turnips\nn/a\n70\n50\n10\n0\nLinseed\nn/a\n10\n0\n0\n0\nNitrogen Residue Group 6\nManagement Regimes in Residue Group 6:\n-\n3 -5 year high N leys, grazed within 2 months of ploughing out\n-\npermanent grass, high N, grazed within 2 months of ploughing out\nPredominant Soil Type in Field\nPlanned crop\nStandard yield\n(t/ha)\nSand or shallow\nSandy loam or other mineral\nHumose\nPeaty\nAdjustments\n(a)For wheat, an additional 20kgN/ha is permitted for every tonne that the expected yield exceeds the standard yield.\n(b)For wheat, an additional 40kgN/ha is permitted to milling wheat varieties.\n(c)For barley and oats, an additional 15kgN/ha is permitted for every tonne that the expected yield exceeds the standard yield.\n(d)On winter oil seed rape, the spring application can be increased by up to 30kgN/ha if the expected yield is over 4.0t/ha.\n(e)On spring barley, an additional 15kgN/ha is permitted for high N grain distilling varieties.\nIf actual local rainfall from 1 Oct – 1 March exceeds 450 mm:\nadd 20kgN/ha to crops grown in sandy, shallow or sandy loam soils\nadd 10kgN/ha to crops grown in other mineral, humose and peaty soils\nSpring Barley\n5.5\n40\n20\n0\n0\nWinter Barley\n6.5\n100\n70\n10\n0\nSpring Wheat\n7.0\n70\n0\n0\n0\nWinter Wheat\n8.0\n110\n90\n30\n0\nSpring Oats\n5.0\n10\n0\n0\n0\nWinter Oats\n6.0\n60\n30\n0\n0\nSpring Oilseed Rape\nn/a\n0\n0\n0\n0\nWinter Oilseed Rape (spring)\n4.0\n70\n70\n10\n0\nWinter Oilseed Rape (autumn)\nn/a\n0\n0\n0\n0\nPotatoes\nn/a\n135\n115\n115\n115\nForage Maize, Rape\nn/a\n30\n10\n0\n0\nKale\nn/a\n70\n50\n0\n0\nSwedes and Turnips\nn/a\n50\n30\n0\n0\nLinseed\nn/a\n0\n0\n0\n0\n”.\n(3) For Table 4, Part C, substitute—\n“PART C\nCattle, Dirty Water and Pig Slurry – Percentage of nitrogen available to next crop following Cattle Slurry, Dirty Water and Pig Slurry applications (use the value in brackets for grassland and winter oilseed rape cropping).\nAutumn\nWinter\nSpring\nSummer use on Grassland\nAugust-October\nNovember-January\nFeb - April\nManure Type\nDry\nMatter\n%\nRef\nNo.\nIncorporation time/method\nTotal N\n(kg/t)\nSands\nSandy Loams\nShallow\nAll other soils\nSands\nSandy Loams\nShallow\nAll other soils\nAll\nSoils\nCattle slurry – Surface applied\n2\n12\nNot incorporated\n1.6\n20\n30 (35)\n30\n30\n45\n30\nCattle slurry – Surface applied\n6\n13\nNot incorporated\n2.6\n20\n25 (30)\n25\n25\n35\n25\nCattle slurry – Surface applied\n10\n14\nNot incorporated\n3.6\n20\n20 (25)\n20\n20\n25\n20\nCattle slurry – ploughed in\n2\n15\nWithin 6 hrs\n1.6\n20\n35 (40)\n30\n35\n50\nN/A\nCattle slurry – ploughed in\n6\n16\nWithin 6 hrs\n2.6\n20\n30 (35)\n25\n30\n40\nN/A\nCattle slurry – ploughed in\n10\n17\nWithin 6 hrs\n3.6\n20\n25 (30)\n20\n25\n30\nN/A\nCattle slurry – Band-spread\n2\n18\nBand-spread\n1.6\n20\n30 (35)\n30\n30\n50\n40\nCattle slurry – Band-spread\n6\n19\nBand-spread\n2.6\n20\n25 (30)\n25\n25\n40\n30\nCattle slurry – Band-spread\n10\n20\nBand-spread\n3.6\n20\n20 (25)\n20\n20\n30\n25\nCattle slurry – shallow injected\n2\n21\nShallow injected\n1.6\n20\n30 (35)\n35\n35\n55\n45\nCattle slurry – shallow injected\n6\n22\nShallow injected\n2.6\n20\n25 (30)\n30\n30\n45\n35\nCattle slurry – shallow injected\n10\n23\nShallow injected\n3.6\n20\n20 (25)\n25\n25\n35\n30\nSeparated – Strainer box\n*\n24\nSelect from above\n1.5\n*Use the appropriate values for 2% dry matter cattle slurry\nSeparated – Weeping wall\n*\n25\n2\nSeparated – Mechanical\n*\n26\n3\nDirty Water\n0.5\n27\nNot incorporated\n0.5\n20\n35 (40)\n35\n35\n50\n30\nPig slurry – surface applied\n2\n28\nNot incorporated\n3.0\n25\n35 (40)\n40\n40\n55\n55\nPig slurry – surface applied\n4\n29\nNot incorporated\n3.6\n25\n30 (35)\n35\n35\n50\n50\nPig slurry – surface applied\n6\n30\nNot incorporated\n4.4\n25\n25 (30)\n30\n30\n45\n45\nPig slurry – ploughed in\n2\n31\nWithin 6 hrs\n3.0\n25\n45 (50)\n35\n50\n65\nN/A\nPig slurry – ploughed in\n4\n32\nWithin 6 hrs\n3.6\n25\n40 (45)\n30\n45\n60\nN/A\nPig slurry – ploughed in\n6\n33\nWithin 6 hrs\n4.4\n25\n40 (45)\n30\n40\n55\nN/A\nPig slurry – Band-spread\n2\n34\nBand-spread\n3.0\n25\n35 (40)\n40\n40\n60\n60\nPig slurry – Band-spread\n4\n35\nBand-spread\n3.6\n25\n35 (40)\n35\n35\n55\n55\nPig slurry – Band-spread\n6\n36\nBand-spread\n4.4\n25\n30 (35)\n35\n35\n50\n50\nPig slurry - shallow injected\n2\n37\nShallow injected\n3.0\n25\n40 (45)\n45\n45\n65\n65\nPig slurry - shallow injected\n4\n38\nShallow injected\n3.6\n25\n35 (40)\n40\n40\n60\n60\nPig slurry - shallow injected\n6\n39\nShallow injected\n4.4\n25\n35 (40)\n40\n40\n55\n55\nMechanical separator\n**\n40\nSelect from above\n3.6\n**Use the appropriate value for 2% dry matter pig slurry\n”",
  "extent": null,
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "footnote",
      "label": "f1",
      "text": "(c)For barley and oats, an additional 15kgN/ha is permitted for every tonne that the expected yield exceeds the standard yield."
    },
    {
      "type": "footnote",
      "label": "f2",
      "text": "(e)On spring barley, an additional 15kgN/ha is permitted for high N grain distilling varieties."
    },
    {
      "type": "footnote",
      "label": "f3",
      "text": "(a)For wheat, an additional 20kgN/ha is permitted for every tonne that the expected yield exceeds the standard yield."
    },
    {
      "type": "footnote",
      "label": "f4",
      "text": "(b)For wheat, an additional 40kgN/ha is permitted to milling wheat varieties."
    },
    {
      "type": "footnote",
      "label": "f5",
      "text": "(d)On winter oil seed rape, the spring application can be increased by up to 30kgN/ha if the expected yield is over 4.0t/ha."
    },
    {
      "type": "footnote",
      "label": "f6",
      "text": "(1)low N means average N use in last 2 years was less than 150kg/ha/year"
    },
    {
      "type": "footnote",
      "label": "f7",
      "text": "(c)For barley and oats, an additional 15kgN/ha is permitted for every tonne that the expected yield exceeds the standard yield."
    },
    {
      "type": "footnote",
      "label": "f8",
      "text": "(e)On spring barley, an additional 15kgN/ha is permitted for high N grain distilling varieties."
    },
    {
      "type": "footnote",
      "label": "f9",
      "text": "(a)For wheat, an additional 20kgN/ha is permitted for every tonne that the expected yield exceeds the standard yield."
    },
    {
      "type": "footnote",
      "label": "f10",
      "text": "(b)For wheat, an additional 40kgN/ha is permitted to milling wheat varieties."
    },
    {
      "type": "footnote",
      "label": "f11",
      "text": "(d)On winter oil seed rape, the spring application can be increased by up to 30kgN/ha if the expected yield is over 4.0t/ha."
    },
    {
      "type": "footnote",
      "label": "f12",
      "text": "(2)high N means average N use in last 2 years was more than 150kg/ha/year, or high clover"
    },
    {
      "type": "footnote",
      "label": "f13",
      "text": "(c)For barley and oats, an additional 15kgN/ha is permitted for every tonne that the expected yield exceeds the standard yield."
    },
    {
      "type": "footnote",
      "label": "f14",
      "text": "(e)On spring barley, an additional 15kgN/ha is permitted for high N grain distilling varieties."
    },
    {
      "type": "footnote",
      "label": "f15",
      "text": "(a)For wheat, an additional 20kgN/ha is permitted for every tonne that the expected yield exceeds the standard yield."
    },
    {
      "type": "footnote",
      "label": "f16",
      "text": "(b)For wheat, an additional 40kgN/ha is permitted to milling wheat varieties."
    },
    {
      "type": "footnote",
      "label": "f17",
      "text": "(d)On winter oil seed rape, the spring application can be increased by up to 30kgN/ha if the expected yield is over 4.0t/ha."
    },
    {
      "type": "footnote",
      "label": "f18",
      "text": "(c)For barley and oats, an additional 15kgN/ha is permitted for every tonne that the expected yield exceeds the standard yield."
    },
    {
      "type": "footnote",
      "label": "f19",
      "text": "(e)On spring barley, an additional 15kgN/ha is permitted for high N grain distilling varieties."
    },
    {
      "type": "footnote",
      "label": "f20",
      "text": "(a)For wheat, an additional 20kgN/ha is permitted for every tonne that the expected yield exceeds the standard yield."
    },
    {
      "type": "footnote",
      "label": "f21",
      "text": "(b)For wheat, an additional 40kgN/ha is permitted to milling wheat varieties."
    },
    {
      "type": "footnote",
      "label": "f22",
      "text": "(d)On winter oil seed rape, the spring application can be increased by up to 30kgN/ha if the expected yield is over 4.0t/ha."
    },
    {
      "type": "footnote",
      "label": "f23",
      "text": "(c)For barley and oats, an additional 15kgN/ha is permitted for every tonne that the expected yield exceeds the standard yield."
    },
    {
      "type": "footnote",
      "label": "f24",
      "text": "(e)On spring barley, an additional 15kgN/ha is permitted for high N grain distilling varieties."
    },
    {
      "type": "footnote",
      "label": "f25",
      "text": "(a)For wheat, an additional 20kgN/ha is permitted for every tonne that the expected yield exceeds the standard yield."
    },
    {
      "type": "footnote",
      "label": "f26",
      "text": "(b)For wheat, an additional 40kgN/ha is permitted to milling wheat varieties."
    },
    {
      "type": "footnote",
      "label": "f27",
      "text": "(d)On winter oil seed rape, the spring application can be increased by up to 30kgN/ha if the expected yield is over 4.0t/ha."
    },
    {
      "type": "footnote",
      "label": "f28",
      "text": "(c)For barley and oats, an additional 15kgN/ha is permitted for every tonne that the expected yield exceeds the standard yield."
    },
    {
      "type": "footnote",
      "label": "f29",
      "text": "(e)On spring barley, an additional 15kgN/ha is permitted for high N grain distilling varieties."
    },
    {
      "type": "footnote",
      "label": "f30",
      "text": "(a)For wheat, an additional 20kgN/ha is permitted for every tonne that the expected yield exceeds the standard yield."
    },
    {
      "type": "footnote",
      "label": "f31",
      "text": "(b)For wheat, an additional 40kgN/ha is permitted to milling wheat varieties."
    },
    {
      "type": "footnote",
      "label": "f32",
      "text": "(d)On winter oil seed rape, the spring application can be increased by up to 30kgN/ha if the expected yield is over 4.0t/ha."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/ssi/2009/447/regulation/9",
    "retrieved_at": "2026-10-28T21:58:13.073778+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."
}