soil map units where 62a Etemuli stony silty clay loam is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Samoa |
| Landscape position | Soils of the lowlands and foothills - moderately dissected landscapes |
| Soil parent material | from mixed pahoehoe and aa of the Salani Volcanics |
| Slope | Strongly rolling slopes |
| Surface outcrops | Surface stony and locally bouldery. No rock outcrops. |
| Brief soil profile description | - |
| Soil profile texture | 10cm stony silty clay loam. 35cm stony silty clay. on bouldery clay |
| Minimum effective rooting depth | <50cm |
| Soil pH (acidity) | Moderately acid (pH = 5.3) |
| Salinity | Non saline |
| Soil fertility under natural conditions | Low fertility. Base saturation 10-20% in topsoil, nil in subsoil. Low available phosphorus (P), organic calcium (C) and exchangeable potassium (K) moderate in topsoil. |
| Soil moisture regime | Without dry season (Perudic moisture regime) |
| Susceptibility to drought | No dry season. Rainfall 4375-5000mm. |
| Soil drainage | Well drained |
| Susceptibility to waterlogging | Never waterlogs |
| Susceptibility to flooding | Never floods |
