soil map units where 90D Dulevi is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Taveuni, Koro |
| Landscape position | Young volcanic hill country in the lowlands and foothills |
| Soil parent material | basaltic ash |
| Slope | Rolling (12-15°). Microrelief forest dimpled. |
| Surface outcrops | Surface rock outcrops cover 5% of the surface. No surface stones or boulders. |
| Brief soil profile description | - |
| Soil profile texture | 0-15cm very friable clay loam. 15-70cm very friable sandy clay loam. 70-120cm friable gravelly clay loam. |
| Minimum effective rooting depth | >120cm |
| Soil pH (acidity) | 0-15cm moderately acid. 15-120cm slightly acid. |
| Salinity | Non saline. |
| Soil fertility under natural conditions | Low potassium (K). High phosphate retention. |
| Soil moisture regime | udic/perudic |
| Susceptibility to drought | In normal years soil moisture deficits of up to 40 days are experienced sometime in the period May to October. |
| Soil drainage | Somewhat excessively drained. |
| Susceptibility to waterlogging | Never waterlogs. |
| Susceptibility to flooding | Never floods. |
