72A Molamolau

soil map units where 72A Molamolau is dominant

Soil properties

Property Value
Geographic distribution Vanua Levu
Landscape position Fans and outwash surfaces in the lowlands and foothills
Soil parent material river alluvium from basic and intermediate rocks
Slope Flat to gently undulating (0-3°). Generally smooth microrelief.
Surface outcrops No surface rock outcrops. No surface stones or boulders.
Brief soil profile description -
Soil profile texture 0-8cm friable to firm clay. 8-23cm friable clay. 23-100cm firm clay.
Minimum effective rooting depth <100cm
Soil pH (acidity) 0-100cm strongly acid.
Salinity Non saline.
Soil fertility under natural conditions Very low phosphorus (P) and nitrogen (N).
Soil moisture regime ustic
Susceptibility to drought In normal years soil moisture deficits of up to 100 days are experienced sometime in the period May to October.
Soil drainage Imperfectly drained.
Susceptibility to waterlogging Can waterlog in the subsoil for up to 30 days sometime in the period November to April.
Susceptibility to flooding 1 in 25 year return period for floods depositing alluvium. 1 in 5 year return period for other floods.

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