soil map units where 217H Soqulu is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Taveuni |
| Landscape position | Young volcanic landscapes in the uplands |
| Soil parent material | basaltic scoria cones |
| Slope | Very steep (36-40°). Very uneven microrelief. |
| Surface outcrops | No surface rock outcrops. Surface boulders occupy 10% of the surface. |
| Brief soil profile description | - |
| Soil profile texture | 0-12cm soft peaty silt loam. 12-38cm friable peaty silt loam. 38-57cm firm gravelly and gritty loam. 57-70cm friable loamy fine sandy gravel. 70-150cm weathered in situ scoria. |
| Minimum effective rooting depth | <75cm. Compact scoria at 75cm. |
| Soil pH (acidity) | 0-38cm moderately acid. 38-70cm slightly acid. |
| Salinity | Non saline. |
| Soil fertility under natural conditions | Very low nitrogen (N) and potassium (K). Very high phosphate fixation. |
| Soil moisture regime | udic/perudic |
| Susceptibility to drought | In normal years never experiences soil moisture deficits. |
| Soil drainage | Somewhat excessively drained. |
| Susceptibility to waterlogging | Never waterlogs. |
| Susceptibility to flooding | Never floods. |
