soil map units where 62H Etemuli hill 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 | Moderately steep slopes |
Surface outcrops | Surface stony and bouldery. No rock outcrops. |
Brief soil profile description | - |
Soil profile texture | 10cm bouldery silty clay loam. 20cm bouldery silty clay. on boulders with clay between |
Minimum effective rooting depth | <40cm |
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 |