PART 3Crop requirements
Maximum nitrogen limits by crop10
The total amount of nitrogen permitted to be spread on any crop listed in the first column below is the figure given in the second column below, adjusted in accordance with the notes to the table and multiplied by the total area in hectares of that crop sown on the holding.
Crop | Permitted amount of nitrogen (kg)(a) | Standard yield (tonne/ha) |
---|---|---|
Asparagus | 150 | n/a |
Autumn or early winter sown wheat | 8.0 | |
Beetroot | 350 | n/a |
Brussels sprouts | 350 | n/a |
Cabbage | 350 | n/a |
Calabrese | 350 | n/a |
Cauliflower | 350 | n/a |
Carrots | 150 | n/a |
Celery | 250 | n/a |
Courgettes | 250 | n/a |
Dwarf bean | 250 | n/a |
Field beans | 0 | n/a |
Forage maize | 150 | n/a |
Grass | 300(f) | n/a |
Leeks | 350 | n/a |
Lettuce | 250 | n/a |
Onions | 250 | n/a |
Parsnips | 250 | n/a |
Peas | 0 | n/a |
Potatoes | 270 | n/a |
Radish | 150 | n/a |
Runner beans | 250 | n/a |
Spring-sown wheat | 7.0 | |
Spring barley | 150(c) | 5.5 |
Sugar beet | 150 | n/a |
Sugar beet | 120 | n/a |
Swedes | 150 | n/a |
Sweetcorn | 250 | n/a |
Turnips | 250 | n/a |
Winter barley | 6.5 | |
Winter oilseed rape | 250(e) | 3.5 |
(a) An additional 80 kg per hectare is permitted to all crops grown in fields if the current or previous crop has had straw or paper sludge applied to it. | ||
(b) An additional 20 kg per hectare is permitted on fields with shallow soil (other than shallow soils over sandstone). | ||
(c) An additional 20 kg per hectare is permitted for every tonne that the expected yield exceeds the standard yield. | ||
(d) An additional 40 kg per hectare is permitted to milling wheat varieties. | ||
(e) This is inclusive of any nitrogen that is applied as an exemption to the closed period for manufactured nitrogen fertiliser. The permitted amount may be increased by up to 30 kg per hectare for every half tonne that expected yield exceeds the standard yield. | ||
(f) An additional 40 kg per hectare is permitted to grass that is cut at least three times a year. |