Characteristic features | Soil Profile N˚ | ||||
1 | 2 | 3 | 4 | 5 | |
GPS Coordinates (UTM) | 184,787/931,248 | 185,215/932,039 | 184,930/93,0902 | 185,101/932,644 | 183,744/932,075 |
Physiography/ landscape position/Land facet | Upland/ summit | Undulating midland/ side slope (back slope) | Undulating midland/ interfluve side slope | Undulating midland/ side slope | Lowland/Interfluve— Inland Valley Swamp |
Elevation (m) | 85 | 85 | 63 | 79 | 80 |
Parent material | Weathered Residium | Weathered colluvium over Residium | Gravel-free colluvium | Gravel-free colluvium/alluvium | Gravel-free colluvium |
Soil type | Gravelly soil (Plinthic paleudult) | Gravel-free over gravel soil (Inceptisol over plinthic paleudult) | Gravel-free soil (Inceptisol) | Gravel-free soil (Inceptisol) | Hydromorphic gravel-free soil (Psammaquent) |
Surface condition | Gravels mixed with dried leaves | Surface covered with dried leaves | Surface covered with dried leaves | Surface covered with dried leaves | Marshy surface covered with young grasses |
Degree of slope | 1% - 3% | 3% - 5% | 1% - 3% | 3% - 5% | 1% - 2% |
Slope class | Very gently sloping | Gently sloping | Very gently sloping | Gently sloping | Very gently sloping |
Effective depth of soil (cm) | 100+ | 115+ | 150+ | 100+ | 37 |
Natural vegetation | Bush regrowth | Bush regrowth | Bush regrowth | Bush regrowth | Wet grass species, Raphia palm and shrubs |
Land use | Agriculture | Fallow land | Fallow land just cleared for cultivation | Fallow land | Fallow land |
Human influence | Agriculture (patches of cultivation) | Agriculture (currently under fallow)
| Agriculture (Mango orchard intercropped with cereals) | Agriculture (Mango orchard intercropped with cereals) | Agriculture (rice cultivation) |
Moisture condition in profile | Surface layer is dry but profile is moist throughout | Slightly moist throughout the profile | Moist throughout the profile | Moist throughout the profile | Wet throughout the profile |
Drainage | Well drained | Well drained | Well drained (rapid) | Moderately well to well drained | Imperfect to poorly drained |
Erosion class | No or slight | Moderate | Moderate | Slight | Nil |