85E Vuna

soil map units where 85E Vuna is dominant

Soil properties

Property Value
Geographic distribution Taveuni
Landscape position Young volcanic hill country in the lowlands and foothills
Soil parent material young aa lava
Slope Strongly rolling (16-20°). Very uneven microrelief with rock outcrops and surface boulders.
Surface outcrops Surface rock outcrops cover 20% of the surface. Boulders occupy 5-10% of the surface.
Brief soil profile description -
Soil profile texture 0-20cm very friable stony silty clay loam. 20-53cm very friable loamy fine sand. On broken bouldery basalt lava.
Minimum effective rooting depth <55cm
Soil pH (acidity) 0-53cm slightly acid.
Salinity Non saline.
Soil fertility under natural conditions Low phosphorus (P) and potassium (K). Very high phosphate fixation properties.
Soil moisture regime udic/perudic
Susceptibility to drought In normal years soil moisture deficits are never experienced.
Soil drainage Somewhat excessively drained.
Susceptibility to waterlogging Never waterlogs.
Susceptibility to flooding Never floods.

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