soil map units where 42B 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 | Undulating (4-7°). Even microrelief. |
| Surface outcrops | No surface rock outcrops. Surface fine stones and gravels (iron nodules) cover 20% of the surface. |
| Brief soil profile description | - |
| Soil profile texture | 0-30cm very friable gritty silt loam. 30-61cm friable gritty fine sandy clay. 61-134cm friable to firm gravelly silt loam. 134-149cm firm gritty silty clay loam. |
| Minimum effective rooting depth | >150cm. Note low subsoil nutrient status and aluminium toxicity. |
| Soil pH (acidity) | 0-30cm moderately acid. 30-149cm strongly acid. |
| 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 | Never waterlogs. |
| Susceptibility to flooding | Never floods. |
