# The Water Resources (Control of Agricultural Pollution) (Wales) Regulations 2021, Regulation 18: Closed periods for spreading organic manure with high readily available nitrogen

Extent: E+W

Subject to regulations 18A, 19 and 20, no person may spread organic manure with high readily available nitrogen on land between the following dates, all inclusive (“the closed period”)—
The closed period
Soil Type
Grassland
Tillage land
Sandy or shallow soil
1 September to 31 December
1 August to 31 December
All other soils
15 October to 15 January
1 October to 31 January

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Source: https://www.legislation.gov.uk/wsi/2021/77/regulation/18 (the official version)
Page: https://openlegislation.uk/water-resources-control-of-agricultural-pollution-wales-regulations-2021/regulation-18
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.