soil map units where 159F Nauluvatu is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Viti Levu, Vanua Levu |
| Landscape position | Hill country in the lowlands and foothills |
| Soil parent material | in situ acidic rocks (granite, andesite and dacite) |
| Slope | Moderately steep (21-25°). Uneven microrelief. |
| Surface outcrops | Rock outcrops cover 30% of area. Few surface stones and boulders. |
| Brief soil profile description | - |
| Soil profile texture | 0-7cm friable loam. 7-79cm friable clay loam. On weakly weathered in situ rock. |
| Minimum effective rooting depth | <80cm. Hard in situ rock at 80cm. |
| Soil pH (acidity) | 0-79cm moderately acid. |
| Salinity | Non saline. |
| Soil fertility under natural conditions | Low phosphorus (P) and very low potassium (K) below 7cm. |
| 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. |
