soil map units where 42A Korokadi is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Viti Levu, Vanua Levu |
| Landscape position | Plateau in the lowlands and foothills |
| Soil parent material | basic and intermediate rocks |
| Slope | Flat to gently undulating (0-3°). Even microrelief. |
| Surface outcrops | No surface rock outcrops. No surface stones or boulders. |
| Brief soil profile description | - |
| Soil profile texture | 0-27cm friable gravelly silty loam. 27-82cm firm gravelly clay loam. 82-129cm friable clay loam. 129-159cm firm gritty clay loam. |
| Minimum effective rooting depth | >150cm. Note low subsoil nutrient status and aluminium toxicity. |
| Soil pH (acidity) | 0-159cm strongly acid. Variable charge. |
| Salinity | Non saline. |
| Soil fertility under natural conditions | Very low nitrogen (N) and potassium (K). Aluminium (Al) toxicity. |
| Soil moisture regime | ustic |
| Susceptibility to drought | In normal years soil moisture deficits of 130 days are experienced sometime in the period May to October. |
| Soil drainage | Moderately well drained. |
| Susceptibility to waterlogging | In normal years may waterlog for up to 10 days on 4-5 occasions in the period November to April. |
| Susceptibility to flooding | In normal years floods up to 3-4 days occur on 4-5 occasions during the wet season. |
