65H Fagaga hill soils

soil map units where 65H Fagaga hill soils is dominant

Soil properties

Property Value
Geographic distribution Samoa
Landscape position Soils of the lowlands and foothills - moderately dissected landscapes
Soil parent material from mainly pahoehoe of the Salani Volcanics
Slope Moderately steep and strongly rolling slopes
Surface outcrops Surface stony and bouldery. No rock outcrops.
Brief soil profile description -
Soil profile texture 18cm very stony and bouldery silty clay. 18-45cm very bouldery silty clay. on boulders and stones with silty clay
Minimum effective rooting depth <50cm
Soil pH (acidity) Moderately acid (pH = 5.5)
Salinity Non saline
Soil fertility under natural conditions Low to moderate fertility. Low available phosphorus (P), organic calcium (C) and exchangeable potassium (K). Base saturation low.
Soil moisture regime Without dry season (Perudic moisture regime)
Susceptibility to drought No dry season. Rainfall 3250-4375mm.
Soil drainage Well drained
Susceptibility to waterlogging Never waterlogs
Susceptibility to flooding Never floods

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