soil map units where 151B Nadawa is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Vanua Levu |
| Landscape position | Hill country in the lowlands and foothills |
| Soil parent material | silicified and indurated tuffs, sandstones, marls and agglomerates |
| Slope | Undulating (4-7°). Smooth microrelief. |
| Surface outcrops | Few rock outcrops. No surface stones or boulders. |
| Brief soil profile description | - |
| Soil profile texture | 0-10cm firm to friable sandy clay. 10-25cm firm to very sandy clay. On weathered marl. |
| Minimum effective rooting depth | <25cm. Weathered in situ pumiceous marl at 25cm. |
| Soil pH (acidity) | 0-25cm slightly acid. |
| Salinity | Non saline. |
| Soil fertility under natural conditions | Low phosphorus (P) and nitrogen (N). |
| Soil moisture regime | udic/perudic |
| Susceptibility to drought | In normal years soil moisture deficits of up to 30 days are experienced sometime in the period May to October. |
| Soil drainage | Well drained. |
| Susceptibility to waterlogging | Never waterlogs. |
| Susceptibility to flooding | Never floods. |
