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 |