soil map units where 213A Nadrau is dominant
Soil properties
Property | Value |
---|---|
Geographic distribution | Viti Levu |
Landscape position | Floodplains and terraces in the uplands |
Soil parent material | alluvium derived from basic rocks |
Slope | Flat to gently undulating (0-3°). Generally uneven microrelief. |
Surface outcrops | No surface rock outcrops. No surface stones or boulders. |
Brief soil profile description | - |
Soil profile texture | 0-10cm firm clay loam. 10-35cm firm clay. 35-65cm very firm clay. 65-120cm very firm silty clay. |
Minimum effective rooting depth | >100cm. Note very firm consistence below 50cm depth. |
Soil pH (acidity) | Slightly acid. |
Salinity | Non saline. |
Soil fertility under natural conditions | None identified. |
Soil moisture regime | udic/perudic |
Susceptibility to drought | In normal years never experiences soil moisture deficits. |
Soil drainage | Imperfectly drained. |
Susceptibility to waterlogging | Commonly waterlogs below 75cm for short periods sometime in the months November to April. |
Susceptibility to flooding | 1 in 20 year return period for floods depositing sediment. 2 in 1 year return period for other floods. |