soil map units where 59a Avele very stony silty clay loam is dominant
Soil properties
Property | Value |
---|---|
Geographic distribution | Upolo |
Landscape position | Soils of the lowlands and foothills - moderately dissected landscapes |
Soil parent material | from mixed pahoehoe and aa of the Salani Volcanics |
Slope | Rolling slopes |
Surface outcrops | Surface stony and bouldery. No rock outcrops. |
Brief soil profile description | - |
Soil profile texture | 15cm stony silty clay. 35cm bouldery clay. on very bouldery clay |
Minimum effective rooting depth | <50cm |
Soil pH (acidity) | Moderately acid (pH = 5.6) |
Salinity | Non saline |
Soil fertility under natural conditions | Moderate to low fertility. Base saturation 20-30%. Nutrients deplete quickly under cropping. |
Soil moisture regime | Without dry season (Perudic moisture regime) |
Susceptibility to drought | Very weak dry season (1 month <100mm rainfall). Rainfall 3750-4375mm. |
Soil drainage | Well drained |
Susceptibility to waterlogging | Never waterlogs |
Susceptibility to flooding | Never floods |