soil map units where T Tungua soils is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Ha’apai |
| Landscape position | Young ash on hill slopes in the centre of Tungua Island. |
| Soil parent material | - |
| Slope | Gently undulating (3°) slopes |
| Surface outcrops | - |
| Brief soil profile description | 0-30 cm Very dark brown friable clay; 30-70 cm Dark reddish brown friable to firm clay with many lapilli; 70-100 cm Dark reddish brown friable clay with many lapilli. |
| Soil profile texture | - |
| Minimum effective rooting depth | 100 cm |
| Soil pH (acidity) | Near neutral |
| Salinity | - |
| Soil fertility under natural conditions | Not analysed. Chemical properties likely to be similar to Uiha soils. |
| Soil moisture regime | - |
| Susceptibility to drought | - |
| Soil drainage | Well drained |
| Susceptibility to waterlogging | - |
| Susceptibility to flooding | - |
