soil map units where 178G Raviravi is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Viti Levu, Vanua Levu |
| Landscape position | Hill country in the lowlands and foothills |
| Soil parent material | basic and intermediate igneous rocks |
| Slope | Steep (26-35°). Uneven microrelief. |
| Surface outcrops | No surface rock outcrops. Few surface stones, no surface boulders. |
| Brief soil profile description | - |
| Soil profile texture | 0-5cm clay loam. 5-60cm clay. 60-100cm silty clay loam. On weathered in situ rock. |
| Minimum effective rooting depth | <100cm. Weathered in situ rock at 100cm. |
| Soil pH (acidity) | 0-60cm strongly acid. 60-100cm extremely acid. |
| Salinity | Non saline. |
| Soil fertility under natural conditions | Phosphorus (P), potassium (K) and nitrogen (N) very low. |
| Soil moisture regime | ustic |
| Susceptibility to drought | In normal years soil moisture deficits of >120 days are experienced sometime in the period May to October. |
| Soil drainage | Well drained. |
| Susceptibility to waterlogging | Never waterlogs. |
| Susceptibility to flooding | Never floods. |
