soil map units where 57A Veisaru is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Viti Levu |
| Landscape position | Secondary floodplains and depressions in the lowlands and foothills |
| Soil parent material | river alluvium from andesitic rocks |
| Slope | Flat to gently undulating (0-3°). Even microrelief. |
| Surface outcrops | No surface rock outcrops. No surface stones or boulders. |
| Brief soil profile description | - |
| Soil profile texture | 0-18cm friable clay. 18-71cm firm gritty clay. 71-150cm firm clay loam. |
| Minimum effective rooting depth | <50cm. Water table at 50cm depth during the wet season. |
| Soil pH (acidity) | 0-71cm extremely acid. 71-150cm strongly acid. |
| Salinity | Non saline. |
| Soil fertility under natural conditions | Low nitrogen (N) and phosphorus (P). |
| Soil moisture regime | aquic |
| Susceptibility to drought | In normal years soil moisture deficits are never experienced. |
| Soil drainage | Poorly drained. |
| Susceptibility to waterlogging | Waterlogs below 50cm for 4 months in the period November to April. |
| Susceptibility to flooding | 1 in 20 year return period for floods depositing alluvium. 2 in 1 year return period for other floods. |
