27E Sigatoka

soil map units where 27E Sigatoka is dominant

Soil properties

Property Value
Geographic distribution Viti Levu
Landscape position Terraces of the major floodplains in the lowlands and foothills
Soil parent material river alluvium from basic and intermediate rocks
Slope Flat to gently undulating (0-1°). Smooth microrelief.
Surface outcrops No surface rock outcrops. No surface stones.
Brief soil profile description -
Soil profile texture 0-25cm clay loam. 25-35cm silt loam. 35-100cm clay loam. >100cm fine sandy clay loam.
Minimum effective rooting depth >150cm
Soil pH (acidity) 0-150cm slightly acid.
Salinity Non saline.
Soil fertility under natural conditions Low organic carbon (C) values. Low potassium (K) values in subsoils.
Soil moisture regime ustic
Susceptibility to drought In normal years soil moisture deficits are experienced for >30 days during the months May to October.
Soil drainage Well drained.
Susceptibility to waterlogging Subject to short duration waterlogging during periods of low frequency major flood events. Water table >125cm from surface at all times.
Susceptibility to flooding 1 in 10 year return period for major floods contributing minor amounts of sediment. Days under water 4 to 7.

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