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 | - |