soil map units where 64A Nacokula 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 acidic 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 | 0-12cm friable to firm gritty clay. 12-80cm+ firm gritty clay. |
| Minimum effective rooting depth | <75cm. Water table at 75cm during the wet season. |
| Soil pH (acidity) | 0-80cm strongly acid. |
| Salinity | Non saline. |
| Soil fertility under natural conditions | Low phosphorus (P) and potassium (K). |
| Soil moisture regime | aquic |
| Susceptibility to drought | In normal years never experiences soil moisture deficits. |
| Soil drainage | Poorly drained. |
| Susceptibility to waterlogging | Waterlogs below 75cm for 4 months in the period November to April. |
| Susceptibility to flooding | 1 in 25 year return period for floods depositing alluvium. 2 in 1 year return period for other floods. |
