soil map units where 64a Falealili 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 mainly pahoehoe of the Salani Volcanics |
| Slope | Undulating |
| Surface outcrops | Surface stony and very stony, locally bouldery. No rock outcrops. |
| Brief soil profile description | - |
| Soil profile texture | 18cm stony clay. 20cm very stony clay. 23cm silty clay. on weathering basalt |
| Minimum effective rooting depth | <70cm |
| Soil pH (acidity) | Slightly acid (pH = 6.0) |
| Salinity | Non saline |
| Soil fertility under natural conditions | Moderate fertility. Base saturation 75% in topsoil, 40% in subsoil. Base saturation, organic carbon (C) and exchangeable potassium (K) moderate. Available phosphorus (P) low |
| Soil moisture regime | Without dry season (Perudic moisture regime) |
| Susceptibility to drought | Very weak dry season (<1 months <100mm rainfall). Rainfall 3500-4375mm. |
| Soil drainage | Well drained |
| Susceptibility to waterlogging | Never waterlogs |
| Susceptibility to flooding | Never floods |
