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 | - |