| Variable | Depth | Value (range) | Units | Ref year | Estimated? | Baseline? |
|---|---|---|---|---|---|---|
| soil pH | 0 – 20 Centimetres | 7.3 | ||||
| soil organic carbon | 0 – 20 Centimetres | 20.3 | gram per kilogram | |||
| sand content | 0 – 20 Centimetres | 345 | gram per kilogram | |||
| clay content | 0 – 20 Centimetres | 196 | gram per kilogram |
| Variable | Time period | Value (range) | Units |
|---|---|---|---|
| air temperature | 1965 – 2017 | 10.2 (9 – 11.5) | degree Celsius |
| precipitation | 1965 – 2017 | 1000 (650 – 1400) | millimeter |
| Crop | Years grown |
|---|---|
| wheat | |
| maize | |
| rapeseed |
| Variable | Material | Units | Frequency | Scale | Comment |
|---|---|---|---|---|---|
| soil organic carbon | Soil | ||||
| soil fertility | Soil | ||||
| soil density | Soil | ||||
| grain yield trait | All crops | annually | |||
| grain quality traits | All crops | annually |