soil map units where 48A Sawakasa 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 basic and intermediate rocks |
| Slope | Flat to near level (0-2°). Even microrelief. |
| Surface outcrops | No surface rock outcrops. No surface stones or boulders. |
| Brief soil profile description | - |
| Soil profile texture | 0-30cm friable clay loam. 30-70cm firm clay loam. 70-120cm firm clay. |
| Minimum effective rooting depth | <100cm |
| Soil pH (acidity) | Slightly acid. |
| Salinity | Non saline. |
| Soil fertility under natural conditions | Phosphorus (P) low. |
| Soil moisture regime | udic/perudic |
| Susceptibility to drought | In normal years soil moisture deficits are never experienced. |
| Soil drainage | Imperfectly drained. |
| Susceptibility to waterlogging | In normal years may waterlog below 75cm for up to 60 days during the period November to April. |
| Susceptibility to flooding | 1 in 10 year return period for floods depositing small amounts of fresh alluvium. 1 in 2 year return period for other floods. |
