51S Nu'utele steepland soils

soil map units where 51S Nu'utele steepland soils is dominant

Soil properties

Property Value
Geographic distribution Upolo
Landscape position Soils of the lowlands and foothills - moderately dissected landscapes
Soil parent material from calcereous lithic tuffs of the Vini Volcanics
Slope Moderately steep to steep slopes
Surface outcrops Surface very stony. No rock outcrops.
Brief soil profile description -
Soil profile texture 25cm stony clay. 20cm rubbly clay with fragments of tuff. on weathering tuff
Minimum effective rooting depth <45cm
Soil pH (acidity) Slightly acid (pH = 6.5)
Salinity Non saline
Soil fertility under natural conditions Very high fertility. High available potassium (P) and exchangeable potassium (K) values.
Soil moisture regime Without dry season (Perudic moisture regime)
Susceptibility to drought Weak to moderate dry season (1-2 months <100mm rainfall). Rainfall 2500-3500mm.
Soil drainage Well drained
Susceptibility to waterlogging Never waterlogs
Susceptibility to flooding Never floods

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