23A Lawai

soil map units where 23A Lawai is dominant

Soil properties

Property Value
Geographic distribution Viti Levu
Landscape position Levees of the major floodplains in the lowlands and foothills
Soil parent material river alluvium from basic and intermediate rocks
Slope Flat to gently undulating (0-3°). Smooth microrelief.
Surface outcrops No surface rock outcrops. No surface stones.
Brief soil profile description -
Soil profile texture 0-50cm very fine sandy loam. 50-80cm fine sandy loam. 80-100cm loam. 100-150cm fine sandy loam.
Minimum effective rooting depth >150cm
Soil pH (acidity) 0-150cm near neutral.
Salinity Non saline.
Soil fertility under natural conditions Organic matter values very low. Potassium (K) values very low in subsoil.
Soil moisture regime ustic
Susceptibility to drought In normal years soil moisture deficits are experienced for >90 days during the months May to October. Shallow rooting crops go under stress.
Soil drainage Well drained.
Susceptibility to waterlogging Subject to short duration waterlogging only during major flood events. Water table >125cm from surface at all times.
Susceptibility to flooding 1 in 5 year return period for major floods contributing sediment. Days under water - 2 to 5 days.

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