soil map units where 53A Saweni is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Viti Levu, Vanua 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°). Uneven microrelief due to vertic properties. |
| Surface outcrops | No surface rock outcrops. No surface stones or boulders. |
| Brief soil profile description | - |
| Soil profile texture | 0-20cm very firm heavy clay. 20-45cm extremely firm clay. 45-120cm extremely firm silty clay. |
| Minimum effective rooting depth | <120cm. Note seasonal high water table. |
| Soil pH (acidity) | 0-45cm slightly acid. 45-100cm slightly alkaline. |
| Salinity | Non saline. |
| Soil fertility under natural conditions | Very low phosphorus (P) and potassium (K). |
| Soil moisture regime | aquic |
| Susceptibility to drought | In normal years soil moisture deficits are never experienced. |
| Soil drainage | Poorly drained. |
| Susceptibility to waterlogging | In normal years waterlogging below 50cm is experienced for up to 60 days sometime during the period November to April. |
| Susceptibility to flooding | In normal years flooding for up to 5 days are experienced on 2-3 occasions sometime in the period November to April. |
