| Variable | Depth | Value (range) | Units | Ref year | Estimated? | Baseline? |
|---|---|---|---|---|---|---|
| soil pH | (4.8 – 5.6) | 2014 | ||||
| clay content | (34.4 – 35.5) | Percent | 2014 | |||
| sand content | (34.3 – 35) | Percent | 2014 | |||
| silt content | (30.3 – 30.6) | Percent | 2014 | |||
| soil organic carbon | (1.59 – 2.27) | Percent | 2014 | |||
| total soil nitrogen | (0.18 – 0.23) | Percent | 2014 |
| Variable | Time period | Value (range) | Units |
|---|---|---|---|
| precipitation | 1961 – 1990 | 560 | millimeter |
| air temperature | 1961 – 1990 | 10.3 | degree Celsius |
| Crop | Years grown |
|---|---|
| spring barley | |
| sunflower | |
| winter wheat | |
| maize | |
| winter oats |
| Variable | Material | Units | Frequency | Scale | Comment |
|---|---|---|---|---|---|
| soil properties | Soil | ||||
| yield trait | Not specified |