soil map units where 33B Wainikavou is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Viti Levu |
| Landscape position | Relict high terraces in the lowlands and foothills |
| Soil parent material | river alluvium from acidic rocks |
| Slope | Gently undulating (3-5°). Smooth microrelief. |
| Surface outcrops | No surface rock outcrops. No surface stones or boulders. |
| Brief soil profile description | - |
| Soil profile texture | 0-10cm silt loam. 10-23cm silty clay loam. 23-62cm clay loam. 62-125cm clay. |
| Minimum effective rooting depth | >125cm. Note low subsoil nutrient status. |
| Soil pH (acidity) | 0-125cm strongly acid. |
| Salinity | Non saline. |
| Soil fertility under natural conditions | Very low nitrogen (N) and phosphorus (P) throughout. |
| 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 waterlogging can occur below 30cm for up to 15 days on 2-3 occasions sometime in the period November to April. |
| Susceptibility to flooding | Floods have a 1 in 5 year return period. Water lies up to 5 days. |
