36A Nadi

soil map units where 36A Nadi is dominant

Soil properties

Property Value
Geographic distribution Viti Levu
Landscape position Relict terraces in the lowlands and foothills
Soil parent material river alluvium from basic and intermediate rocks
Slope Flat to undulating (0-3°). Smooth microrelief.
Surface outcrops No surface rock outcrops. No surface stones. Rare coral gravel (relict fertiliser).
Brief soil profile description -
Soil profile texture 0-60cm sandy clay loam. 60-100cm sandy loam. 100-150cm+ sandy clay loam.
Minimum effective rooting depth >150cm. Where machine cultivated a plough pan commonly develops.
Soil pH (acidity) 0-30cm moderately acid. 30-150cm near neutral.
Salinity Non saline.
Soil fertility under natural conditions Organic carnon (C) % very low throughout. Calcium low, and magnesium (Mg) and potassium (K) values very low. Very low cation exchange capacity (CEC) exchange capacity (CEC) and high CRC.
Soil moisture regime ustic
Susceptibility to drought In normal years soil moisture deficits are experienced >120 days during the period May to October.
Soil drainage Well drained.
Susceptibility to waterlogging Never waterlogged.
Susceptibility to flooding Never flooded.

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