soil map units where 49a Gaegae very stony silty clay loam is dominant
Soil properties
Property | Value |
---|---|
Geographic distribution | Upolo |
Landscape position | Soils of the lowlands and foothills - slightly dissected landscapes |
Soil parent material | from mixed aa and pahoehoe basalt of the Mulifanua Volcanics |
Slope | Strongly rolling slopes |
Surface outcrops | Surface very bouldery. No rock outcrops. |
Brief soil profile description | - |
Soil profile texture | 40cm bouldery silty clay. on large boulders |
Minimum effective rooting depth | <50cm |
Soil pH (acidity) | Strongly acid (pH = 5.2) |
Salinity | Non saline |
Soil fertility under natural conditions | Moderate to low fertility. Base saturation 16% in topsoil. Plant nutrients concentrated in topsoil. |
Soil moisture regime | Without dry season (Perudic moisture regime) |
Susceptibility to drought | No dry season. Rainfall 5000mm. |
Soil drainage | Well drained |
Susceptibility to waterlogging | Never waterlogs |
Susceptibility to flooding | Never floods |