[1]Changes in the EU and UK regulatory framework mean that alternatives to landfill and dumping at sea must be found for a range of organic wastes. Recycling to land is a favoured option, but there are both associated benefits and risks, in large part related to properties of the soil.
This map shows an assessment of these factors combined to give a suitability indicator.
Links:
[1] https://www.hutton.ac.uk/sites/default/files/images/explorescotland/es-sludge2.jpg
[2] https://www.hutton.ac.uk/learning/exploringscotland/introduction
[3] https://www.hutton.ac.uk/learning/exploringscotland/soils-and-sustainability