soil map units where 26A Wainibuka is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Viti Levu |
| Landscape position | Terraces of the major floodplains in the lowlands and foothills |
| Soil parent material | river alluvium from basic and intermediate rocks |
| Slope | Flat to gently undulating (0-2°). Smooth microrelief. |
| Surface outcrops | No surface rock outcrops. No stones or boulders. |
| Brief soil profile description | - |
| Soil profile texture | 0-68cm clay. 68-83cm clay to clay loam. 83-125cm clay. |
| Minimum effective rooting depth | >125cm |
| Soil pH (acidity) | Slightly acid. |
| Salinity | Non saline. |
| Soil fertility under natural conditions | Potassium (K) low in subsoil. |
| Soil moisture regime | udic/perudic |
| Susceptibility to drought | In normal years soil moisture deficits are never experienced. |
| Soil drainage | Well drained. |
| Susceptibility to waterlogging | Never waterlogs. |
| Susceptibility to flooding | Floods (1 in 15 years) of short duration (water and sediment) may occur. |
