soil map units where 178E 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 | strongly rolling (16-20°). Uneven microrelief. |
| Surface outcrops | No surface rock outcrops. No surface boulder, few iron coated surface stones. |
| Brief soil profile description | - |
| Soil profile texture | 0-10cm silty clay loam. 10-70cm clay. 70-125cm silty clay loam. |
| Minimum effective rooting depth | <125cm |
| Soil pH (acidity) | 0-70cm strongly acid. 70-125cm 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. |
