Ku3 Kalau soils, strongly rolling phase

soil map units where Ku3 Kalau soils, strongly 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 Strongly rolling (12-15°)
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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