The European Comission identifies 8 indicators in the soil mission implementation plan:
1. Presence of pollutants, excess nutrients and salts
2. Soil organic carbon (SOC)
3. Soil structure including soil bulk density and absence of soil sealing and erosion
5. Soil nutrients and acidity (pH)
8. Forest cover
European Commission (2021) EU Missions: A Soil Deal for Europe – Implementation Plan.