Pur Pangaimotu soils, red subsoil variant

soil map units where Pur Pangaimotu soils, red subsoil variant is dominant

Soil properties

Property Value
Geographic distribution Vava’u
Landscape position Ash-mantled coral terraces.
Soil parent material
Slope Flat to gently undulating to easy rolling (0-7°)
Surface outcrops
Brief soil profile description 0-27 cm Dark brown friable clay loam; 27-38 cm Brown and dark brown friable clay loam, Mn nodules; on brown firm clay, Mn concretions; clay skins.
Soil profile texture
Minimum effective rooting depth 100 cm
Soil pH (acidity) Slightly acid
Soil fertility under natural conditions High Base saturation (%), and in topsoils; high exchangeable calcium (Ca), magnesium (Mg) and potassium (K); organic carbon (C) and nitrogen (N) low to medium in topsoils and low in subsoils. Reserve potassium (K) very low.
Soil moisture regime
Susceptibility to drought
Soil drainage Well drained
Susceptibility to waterlogging
Susceptibility to flooding

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