soil map units where 72 Uafato silty clay is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Samoa |
| Landscape position | Soils of the lowlands and foothills - strongly dissected landscapes |
| Soil parent material | from pahoehoe, aa and dykes of basalt of basalt of the Fagaloa Volcanics |
| Slope | Easy to strongly rolling slopes on plateaux remnants |
| Surface outcrops | Surface not usually bouldery or stony. No rock outcrops. |
| Brief soil profile description | - |
| Soil profile texture | 49cm clay. on clay with fragments of weathering rocks |
| Minimum effective rooting depth | <100cm |
| Soil pH (acidity) | Moderately acid (pH = 5.8) |
| Salinity | Non saline |
| Soil fertility under natural conditions | Moderate to low fertility |
| Soil moisture regime | Without dry season (Perudic moisture regime) |
| Susceptibility to drought | No dry season. Rainfall 4000-5000mm. |
| Soil drainage | Well drained |
| Susceptibility to waterlogging | Never waterlogs |
| Susceptibility to flooding | Never floods |