soil map units where 219H Salialailai is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Taveuni |
| Landscape position | Young volcanic landscapes in the uplands |
| Soil parent material | in situ basaltic ash |
| Slope | Very steep (36-40°). Very uneven microrelief. |
| Surface outcrops | Surface rock outcrops cover 15% of the surface. Surface boulders occupy 10% of the surface. |
| Brief soil profile description | - |
| Soil profile texture | 0-15cm firm slightly peaty silt loam. 15-40cm friable silty clay loam. On basalt flow rock. |
| Minimum effective rooting depth | <50cm. Weakly weathered in situ rock at 50cm. |
| Soil pH (acidity) | 0-15cm strongly acid. 15-40cm moderately acid. |
| Salinity | Non saline. |
| Soil fertility under natural conditions | Very low nitrogen (N) and potassium (K). Very high phosphate fixation properties. |
| Soil moisture regime | udic/perudic |
| Susceptibility to drought | Never experiences soil moisture deficits. |
| Soil drainage | Well drained. |
| Susceptibility to waterlogging | Never waterlogs. |
| Susceptibility to flooding | Never floods. |
