soil map units where 61S Salani steepland soils 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 | Steep slopes to valleys |
| Surface outcrops | Surface usually stony and bouldery. No rock outcrops. |
| Brief soil profile description | - |
| Soil profile texture | 15cm stony and bouldery clay loam. 15cm bouldery silty clay. on weathering pahoehoe lava |
| Minimum effective rooting depth | <30cm |
| Soil pH (acidity) | Moderately acid (pH = 5.9) |
| 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 4375-5000mm. |
| Soil drainage | Well drained |
| Susceptibility to waterlogging | Never waterlogs |
| Susceptibility to flooding | Never floods |