soil map units where 94H Koro is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Taveuni, Koro |
| Landscape position | Young volcanic hill country in the lowlands and foothills |
| Soil parent material | young pahoehoe lava |
| Slope | Very steep (36-40°). Very uneven microrelief. |
| Surface outcrops | Rock outcrops cover 15% of the surface. Boulders occupy 20% of the surface. |
| Brief soil profile description | - |
| Soil profile texture | 0-13cm very friable silty clay. 13-30cm friable silt loam. On weathered in situ basalt. |
| Minimum effective rooting depth | <50cm. In situ weathered basalt at 50cm. |
| Soil pH (acidity) | 0-30cm moderately acid. |
| Salinity | Non saline. |
| Soil fertility under natural conditions | Very low potassium (K) and nitrogen (N). High phosphate fixation properties. |
| Soil moisture regime | udic/perudic |
| Susceptibility to drought | In normal years soil moisture deficits of up to 50 days may be experienced sometime in the period May to October. |
| Soil drainage | Well drained. |
| Susceptibility to waterlogging | Never waterlogs. |
| Susceptibility to flooding | Never floods. |
