soil map units where 215D Manuka is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Taveuni |
| Landscape position | Young volcanic landscapes in the uplands |
| Soil parent material | young basaltic 'pahoehoe' lavas |
| Slope | Rolling (12-15°). Very uneven surface. |
| Surface outcrops | Rock outcrops cover 10% of the surface. Boulders occupy 30% of the surface. |
| Brief soil profile description | - |
| Soil profile texture | 0-20cm friable stony silt loam. 20-70cm very firm silt loam. 70-85cm firm medium sandy loam. On weathered basalt. |
| Minimum effective rooting depth | <85cm |
| Soil pH (acidity) | 0-20cm strongly acid. 20-95cm 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 | Rarely experiences soil moisture deficits. |
| Soil drainage | Well drained. |
| Susceptibility to waterlogging | Never waterlogs. |
| Susceptibility to flooding | Never floods. |
