Ku2 Kalau soils, rolling phase

soil map units where Ku2 Kalau soils, rolling phase is dominant

Soil properties

Property Value
Geographic distribution ‘Eua
Landscape position Ash covering tuffs and limestone on the highest surface of ‘Eua.
Soil parent material
Slope Rolling (5-12°)
Surface outcrops
Brief soil profile description 0-18 cm Dark brown friable silty clay; 18-41 cm Yellowish red friable silty clay; 41-70 cm Red friable to firm silty clay; clay coatings.
Soil profile texture
Minimum effective rooting depth 100 cm
Soil pH (acidity) Slightly to moderately acid
Salinity
Soil fertility under natural conditions Organic carbon (C) medium and low at depth; N low; phosphorus (P) and phosphorus (P) retention high; Base saturation (%), exchangeable calcium (Ca) and magnesium (Mg) 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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