soil map units where 143B Vatuvonu is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Vanua Levu |
| Landscape position | Hill country in the lowlands and foothills |
| Soil parent material | quartz rich and acidic tuffs |
| Slope | Undulating (4-7°). Uneven microrelief. |
| Surface outcrops | Surface rock outcrops cover 8% of the surface. Surface stones occupy 3% of the surface. |
| Brief soil profile description | - |
| Soil profile texture | 0-10cm friable fine sandy clay. 10-15cm friable sandy loam. On hard pumiceous tuff. |
| Minimum effective rooting depth | <20cm. Weakly weathered in situ rock at 20cm. |
| Soil pH (acidity) | 0-10cm strongly acid. 10-15cm moderately acid. |
| Salinity | Non saline. |
| Soil fertility under natural conditions | Low phosphorus (P). |
| Soil moisture regime | udic/perudic |
| Susceptibility to drought | In normal years soil moisture deficits of up 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. |