soil map units where Oa Okoa soils (Oa) is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Vava’u |
| Landscape position | Low-lying ground, often old raised lagoon areas. |
| Soil parent material | - |
| Slope | Flat |
| Surface outcrops | - |
| Brief soil profile description | Deep peaty loam but not described in full. |
| Soil profile texture | - |
| Minimum effective rooting depth | <75 cm |
| Soil pH (acidity) | n.d. |
| Salinity | - |
| Soil fertility under natural conditions | n.d. |
| Soil moisture regime | - |
| Susceptibility to drought | - |
| Soil drainage | Very poorly drained |
| Susceptibility to waterlogging | Severe poor drainage |
| Susceptibility to flooding | Floods periodically in wet season. |