155G Nabuono

soil map units where 155G Nabuono is dominant

Soil properties

Property Value
Geographic distribution Vanua Levu
Landscape position Hill country in the lowlands and foothills
Soil parent material silicified and indurated tuffs, sandstones, marls and agglomerates
Slope Steep (26-35°). Uneven microrelief.
Surface outcrops Surface rock outcrops cover 8% of the area. Surface stones and boulders occupy 4% of the surface.
Brief soil profile description -
Soil profile texture 0-20cm very firm gravelly clay. 20-27cm firm clay. 27-37cm friable clay. On weathering tuff.
Minimum effective rooting depth <50cm. Weathered in situ rock normally at 50cm.
Soil pH (acidity) Strongly acid.
Salinity Non saline.
Soil fertility under natural conditions Low phosphorus (P) and potassium (K).
Soil moisture regime ustic
Susceptibility to drought In normal years soil moisture deficits of 100-120 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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