305D Umea

soil map units where 305D Umea is dominant

Soil properties

Property Value
Geographic distribution Rotuma
Landscape position Hilly and steep land on volcanic cones
Soil parent material strongly red-weathered basaltic scoria
Slope Rolling (12-15°).
Surface outcrops No surface rock outcrops, few surface stones or boulders.
Brief soil profile description -
Soil profile texture 0-6cm friable clay loam. 6-50cm firm clay loam to clay. 50-150+cm very firm clay; few strongly weathered gravels and stones
Minimum effective rooting depth 75-100cm
Soil pH (acidity) Slightly to moderately acid
Salinity Non saline.
Soil fertility under natural conditions Potassium (K) very low, Nitrogen (N) low and Sulphur (S)
Soil moisture regime udic/perudic
Susceptibility to drought In normal years soil moisture deficits are never experienced.
Soil drainage Well drained.
Susceptibility to waterlogging Never waterlogs.
Susceptibility to flooding Never floods.

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