| Variable | Depth | Value (range) | Units | Ref year | Estimated? | Baseline? |
|---|---|---|---|---|---|---|
| soil pH | 0 – 20 Centimetres | 6.5 |
| Variable | Time period | Value (range) | Units |
|---|---|---|---|
| air temperature | 1954 – 2014 | 8.5 | degree Celsius |
| precipitation | 1954 – 2014 | 498.3 | millimeter |
| Crop | Years grown |
|---|---|
| alfalfa | |
| spring barley | |
| winter wheat | |
| potatoes | |
| sugar beet | |
| spring wheat |
| Variable | Material | Units | Frequency | Scale | Comment |
|---|---|---|---|---|---|
| grain yield trait | Not specified |