soil map units where 147B Uaua is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Taveuni |
| Landscape position | Young volcanic landscapes in the uplands |
| Soil parent material | young basaltic 'pahoehoe' lavas |
| Slope | Undulating (4-7°). Even microrelief. |
| Surface outcrops | No surface rock outcrops. No surface stones or boulders. |
| Brief soil profile description | - |
| Soil profile texture | 0-10cm very friable gravelly sandy loam. 10-20cm friable heavy sandy loam. 20-45cm friable sandy clay. 45-130cm firm sandy clay. |
| Minimum effective rooting depth | <100cm. Water table at 100cm during the wet season. |
| Soil pH (acidity) | 0-45cm strongly acid. 45-130cm moderately acid. |
| Salinity | Non saline. |
| Soil fertility under natural conditions | Low nitrogen (N), phosphorus (P) and potassium (K). |
| Soil moisture regime | udic/perudic |
| Susceptibility to drought | In normal years soil moisture deficits of up to 120 days are experienced sometime in the period May to October. |
| Soil drainage | Imperfectly drained. |
| Susceptibility to waterlogging | In normal years waterlogs below 100cm for up to 2 months sometime in the period November to April. |
| Susceptibility to flooding | Short duration (2-3 days) flooding associated with high intensity storms occur on 3-4 occasions during the wet season. |
