soil map units where 60A Navunikodi 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 acidic rocks |
| Slope | Flat to near level (0-2°). Smooth microrelief. |
| Surface outcrops | No surface rock outcrops. Few surface stones. |
| Brief soil profile description | - |
| Soil profile texture | 0-40cm friable sandy clay loam. 40-60cm friable stony sandy clay. 60-100cm friable to firm slightly stony sandy clay. |
| Minimum effective rooting depth | >100cm |
| Soil pH (acidity) | 0-100cm strongly acid. |
| Salinity | Non saline. |
| Soil fertility under natural conditions | Low phosphorus (P) and potassium (K). |
| Soil moisture regime | udic/perudic |
| Susceptibility to drought | In normal years soil moisture deficits are never experienced. |
| Soil drainage | Well drained. |
| Susceptibility to waterlogging | May waterlog for short periods below 75cm sometime during the wet season. |
| Susceptibility to flooding | 1 in 100 year return period for floods depositing sediment. 1 in 5 year return period for other floods. |