164E Yavuna

soil map units where 164E Yavuna is dominant

Soil properties

Property Value
Geographic distribution Viti Levu
Landscape position Hill country in the lowlands and foothills
Soil parent material in situ acidic rocks (granite, andesite and dacite)
Slope Strongly rolling (16-20°). Uneven (terracettes) microrelief.
Surface outcrops Surface rock outcrops cover 5-8% of the area. Common surface stones.
Brief soil profile description -
Soil profile texture 9-7cm silt loam. 7-24cm gritty sandy loam. On weathered in situ rock.
Minimum effective rooting depth <25cm. In situ rock at 25cm.
Soil pH (acidity) 0-7cm slightly acid. 7-24cm near neutral. 24-50cm+ slightly acid.
Salinity Non saline.
Soil fertility under natural conditions Very low potassium (K) and nitrogen (N). Low phosphorus (P).
Soil moisture regime ustic
Susceptibility to drought In normal years soil moisture deficits of 100 days are experienced sometime in the period May to October.
Soil drainage Well drained.
Susceptibility to waterlogging Never waterlogs.
Susceptibility to flooding Never floods.

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