53S Folu steepland soils

soil map units where 53S Folu steepland soils is dominant

Soil properties

Property Value
Geographic distribution Savaii
Landscape position Soils of the lowlands and foothills - moderately dissected landscapes
Soil parent material from lithivitric tuffs and ash of the Vini Volcanics
Slope Steep to moderately steep slopes
Surface outcrops Surface somewhat rocky. Outcrops of lithic vitric tuff common.
Brief soil profile description -
Soil profile texture 5cm gritty clay. 23cm stony and gravelly clay. 28cm loamy fine gravel. on rubbly, gravelly and stony material
Minimum effective rooting depth <70cm
Soil pH (acidity) Slightly acid (pH = 6.1)
Salinity Non saline
Soil fertility under natural conditions Fertile. Base saturation 100% both topsoil and subsoil. High exchangeable potassium (K). Moderate organic calcium (C) and available phosphorus (P).
Soil moisture regime Without dry season (Perudic moisture regime)
Susceptibility to drought Weak to very weak dry season. Rainfall 2750mm.
Soil drainage Well drained
Susceptibility to waterlogging Never waterlogs
Susceptibility to flooding Never floods

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