soil map units where 158E Namosi is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Viti Levu |
| Landscape position | Hill country in the lowlands and foothills |
| Soil parent material | in situ acidic rocks (granite, andesite and dacite) |
| Slope | Strongly rolling (16-20°). Smooth microrelief. |
| Surface outcrops | Surface rock outcrops cover 20% of the area. No surface stones or boulders. |
| Brief soil profile description | - |
| Soil profile texture | 0-21cm friable clay loam. 21-40cm friable clay. 40-88cm friable to firm silty clay. 88-110cm firm fine sandy clay. On rock. |
| Minimum effective rooting depth | <100cm. Hard unweathered in situ rock at 100cm. |
| Soil pH (acidity) | 0-110cm moderately acid. |
| Salinity | Non saline. |
| Soil fertility under natural conditions | Very low phosphorus (P) and very low potassium (K) below 21cm. |
| 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 | Never floods. |
