Ho1 Hango soils

soil map units where Ho1 Hango soils is dominant

Soil properties

Property Value
Geographic distribution ‘Eua
Landscape position Rolling surfaces of ash-covered coral limestone terraces.
Soil parent material
Slope Flat to gently rolling slopes (0-5°)
Surface outcrops
Brief soil profile description 10-15 cm Very dark grey friable silty clay; abundant fine lapilli; 15-30 cm Dark brown to strong brown friable clay; 30-80 cm Brown firm to friable clay; clay coatings; 80-100+cm Dark brown compact clay.
Soil profile texture
Minimum effective rooting depth 100 cm
Soil pH (acidity) Slightly acid
Salinity
Soil fertility under natural conditions Organic carbon (C) medium and low at depth; nitrogen (N) and phosphorus (P) low; Base saturation (%), exchangeable calcium (Ca) and magnesium (Mg) high; phosphorus (P) retention 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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