25A Naduru

soil map units where 25A Naduru is dominant

Soil properties

Property Value
Geographic distribution Viti Levu
Landscape position Relict channels 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 or boulders.
Brief soil profile description -
Soil profile texture 0-30cm silty clay loam. 30-52cm clay loam. 52-125cm silty clay loam.
Minimum effective rooting depth <125cm. Note, water table at 125cm during part of the wet season.
Soil pH (acidity) 0-52cm moderately acid. 52-125cm slightly acid.
Salinity Non saline.
Soil fertility under natural conditions Very low potassium (K) throughout.
Soil moisture regime udic/perudic
Susceptibility to drought In normal years soil moisture deficits are never experienced.
Soil drainage Moderately well drained.
Susceptibility to waterlogging Waterlogging below 125cm occurs in most years sometime in the period November to April.
Susceptibility to flooding Floods depositing sediment have a 1 in 50 year return period. Floods (water only) have a 1 in 5 years return period.

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