F Faleloa soils

soil map units where F Faleloa soils is dominant

Soil properties

Property Value
Geographic distribution Ha'apai
Landscape position Young ash overlying coral sand on the coastal fringe.
Soil parent material
Slope Flat
Surface outcrops
Brief soil profile description 0-20 cm Dark reddish brown friable clay loam;20-50 cm Dark reddish brown friable sandy clay loam;50-70 cm Dark brown loose sandy loam; on Coral sand.
Soil profile texture
Minimum effective rooting depth 100 cm
Soil pH (acidity) Slightly alkaline over moderately alkaline subsoils
Salinity
Soil fertility under natural conditions High Base saturation (%) and exchangeable calcium (Ca), magnesium (Mg) and N. Organic carbon (C) and nitrogen (N) low in topsoils. phosphorus (P) values high. Reserve potassium (K) and magnesium (Mg) high.
Soil moisture regime
Susceptibility to drought
Soil drainage Well drained
Susceptibility to waterlogging
Susceptibility to flooding

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