soil map units where 63V Aleipata steepland soils, very steep phase is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Upolo |
| Landscape position | Soils of the lowlands and foothills - moderately dissected landscapes |
| Soil parent material | from mainly pahoehoe of the Salani Volcanics |
| Slope | Very steep to precipitous |
| Surface outcrops | Surface stony and locally bouldery. No rock outcrops. |
| Brief soil profile description | - |
| Soil profile texture | 8cm very stony clay with many boulders. 25cm bouldery clay. on weathering pahoehoe lava. |
| Minimum effective rooting depth | <35cm |
| Soil pH (acidity) | Slightly acid (pH = 6.2) |
| Salinity | Non saline |
| Soil fertility under natural conditions | Fertile to moderately fertile. Base saturation 90%. Exchangeable potassium (K) high. Moderate organic carbon (C). |
| Soil moisture regime | Without dry season (Perudic moisture regime) |
| Susceptibility to drought | Very weak dry season (<1 month <100mm rainfall). Rainfall 3250-4375mm. |
| Soil drainage | Well drained |
| Susceptibility to waterlogging | Never waterlogs |
| Susceptibility to flooding | Never floods |
