Fa1 Faitoka soils

soil map units where Fa1 Faitoka soils is dominant

Soil properties

Property Value
Geographic distribution ‘Eua
Landscape position Sloping surfaces of ash and colluvium covered coral terraces.
Soil parent material
Slope Flat
Surface outcrops
Brief soil profile description 0-22 cm Dark brown friable clay;22-40 cm Dark reddish brown friable to firm silty clay;40-58 cm Dark reddish brown to reddish brown clay; Mn mottles;58-85 cm Dark reddish brown friable to firm clay; Fe-Mn patches.
Soil profile texture
Minimum effective rooting depth 100 cm
Soil pH (acidity) Slightly acid
Salinity
Soil fertility under natural conditions Organic carbon (C) medium dropping to low with depth; nitrogen (N) and phosphorus (P) low; Base saturation (%), exchangeable calcium (Ca) and magnesium (Mg) high; phosphorus (P) retention high, sulphur (S) medium to very high. Reserve potassium (K) low.
Soil moisture regime
Susceptibility to drought
Soil drainage Well drained
Susceptibility to waterlogging
Susceptibility to flooding

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