| Variable | Depth | Value (range) | Units | Ref year | Estimated? | Baseline? |
|---|---|---|---|---|---|---|
| soil pH | (6 – 6.5) | |||||
| sand content | (30 – 40) | Percent | ||||
| silt content | (42 – 48) | Percent | ||||
| clay content | (17 – 26) | Percent | ||||
| soil organic matter | 2.6 | Percent |
| Variable | Time period | Value (range) | Units |
|---|---|---|---|
| air temperature | 1999 – 2011 | 10.7 | degree Celsius |
| precipitation | 1999 – 2011 | 906 | millimeter |
| Crop | Years grown |
|---|---|
| maize | |
| winter wheat | |
| winter barley | |
| rapeseed |
| Variable | Material | Units | Frequency | Scale | Comment |
|---|---|---|---|---|---|
| grain yield trait | Not specified |