| Variable | Depth | Value (range) | Units | Ref year | Estimated? | Baseline? |
|---|---|---|---|---|---|---|
| soil pH | – 0.28 Metres | 4.5 | ||||
| cation exchange capacity | – 0.28 Metres | 3.7 | kilogram per mole | |||
| sand content | – 0.28 Metres | 77 | Percent | |||
| silt content | – 0.28 Metres | 16 | Percent | |||
| clay content | – 0.28 Metres | 7 | Percent | |||
| soil density | – 0.28 Metres | 1.29 | gram per cubic centimetre |
| Variable | Time period | Value (range) | Units |
|---|---|---|---|
| air temperature | 21 (15 – 29) | degree Celsius | |
| precipitation | 801 (516 – 1495) | millimeter | |
| sun hours | 12 |
| Crop | Years grown |
|---|---|
| maize | |
| cow peas | |
| sunn hemp |
| Variable | Material | Units | Frequency | Scale | Comment |
|---|---|---|---|---|---|
| grain yield trait | Not specified | annual |