soil map units where 80S Elietoga steepland soils is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Savaii |
| Landscape position | Soils of the uplands - slightly dissected landscapes |
| Soil parent material | from aa, scoria and pahoehoe basalt of the Mulifanua Volcanics |
| Slope | Steep to very steep slopes of volcanic craters |
| Surface outcrops | Surface often gravelly. No rock outcrops. |
| Brief soil profile description | - |
| Soil profile texture | 5cm peaty gritty silt loam. 20cm gritty heavy silt loam. 35cm silty clay loam. on very gravelly mottled clay loam |
| Minimum effective rooting depth | <70cm |
| Soil pH (acidity) | Moderately acid (pH = 5.7) |
| Salinity | Non saline |
| Soil fertility under natural conditions | Moderate to low fertility. Topsoil Base saturation 48%, subsoil 25%. Moderate values for organic calcium (C) and exchangeable potassium (K). |
| Soil moisture regime | Without dry season (Perudic moisture regime) |
| Susceptibility to drought | No dry season. Rainfall >5000mm. |
| Soil drainage | Well drained |
| Susceptibility to waterlogging | Never waterlogs |
| Susceptibility to flooding | Never floods |
