soil map units where 60a Solosolo stony and bouldery clay is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Upolo |
| Landscape position | Soils of the lowlands and foothills - moderately dissected landscapes |
| Soil parent material | from mixed pahoehoe and aa of the Salani Volcanics |
| Slope | Undulating to rolling slopes |
| Surface outcrops | Surface usually bouldery. No rock outcrops. |
| Brief soil profile description | - |
| Soil profile texture | 10cm bouldery clay. 25cm bouldery and stony clay. on weathering pahoehoe lava |
| Minimum effective rooting depth | <50cm |
| Soil pH (acidity) | Slightly acid (pH = 6.1) |
| Salinity | Non saline |
| Soil fertility under natural conditions | Moderate to low fertility. Base saturation 20-50% topsoil, 8-20% subsoil. Base saturation, oganic carbon (C) values moderate to high. Exchangeable potassium (K) moderate to low. |
| Soil moisture regime | Without dry season (Perudic moisture regime) |
| Susceptibility to drought | No dry months. Rainfall 4000-5000mm. |
| Soil drainage | Well drained |
| Susceptibility to waterlogging | Never waterlogs |
| Susceptibility to flooding | Never floods |
