soil map units where Ho2 Hango soils, moderately sloping phase is dominant
Soil properties
Property | Value |
---|---|
Geographic distribution | ‘Eua |
Landscape position | Rolling surfaces of ash-covered coral limestone terraces. |
Soil parent material | - |
Slope | Gently to moderately rolling slopes (5-12°) |
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 | - |