soil map units where 46A Serea is dominant
Soil properties
Property | Value |
---|---|
Geographic distribution | Viti Levu |
Landscape position | Secondary floodplains and depressions in the lowlands and foothills |
Soil parent material | river alluvium from basic and intermediate rocks |
Slope | Near flat (0-2°). Smooth microrelief. |
Surface outcrops | No surface rock outcrops. No surface stones or boulders. |
Brief soil profile description | - |
Soil profile texture | 0-6cm loamy fine sand. 6-17cm fine sand. 17-92cm loamy very fine sand. 92-150cm fine sand. |
Minimum effective rooting depth | <150cm |
Soil pH (acidity) | 0-6cm slightly alkaline. 6-17cm near neutral. 17-250cm slightly acid. |
Salinity | Non saline. |
Soil fertility under natural conditions | Very low nitrogen (N) throughout. |
Soil moisture regime | udic/perudic |
Susceptibility to drought | In normal years soil moisture deficits are never experienced. |
Soil drainage | Well drained. |
Susceptibility to waterlogging | Never waterlogs. |
Susceptibility to flooding | Floods depositing sediment have a 1 in 10 year return period. Floods (water only) have a 1 in 2 year return period. Water lies for 2-3 days. |