soil map units where 216H Ucunilawe 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 | Very steep (36-40°). Very uneven microrelief. Abundant surface rock outcrops and boulders. |
Surface outcrops | Rock outcrops cover 30% of the surface. Boulders occupy 30% of the surface. |
Brief soil profile description | - |
Soil profile texture | 0-60cm very friable loam. 60-120cm very friable clay loam. |
Minimum effective rooting depth | <100cm. In situ basalt at 100cm. |
Soil pH (acidity) | 0-100cm strongly acid. |
Salinity | Non saline. |
Soil fertility under natural conditions | Very low nitrogen (N), phosphorus (P) 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. |