soil map units where 47A Waidradra 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 | Flat to gently undulating (0-3°). Smooth microrelief. |
Surface outcrops | No surface rock outcrops. No surface stones or boulders. |
Brief soil profile description | - |
Soil profile texture | 0-56cm clay loam. 56-61cm sandy loam. 61-100cm clay loam. |
Minimum effective rooting depth | <75cm. High water table at 75cm during the wet season. |
Soil pH (acidity) | 0-56cm strongly acid. 56-61cm moderately acid. 61-100cm strongly acid. 100-125cm moderately acid. |
Salinity | Non saline. |
Soil fertility under natural conditions | Potassium (K) very low below 15cm. |
Soil moisture regime | udic/perudic |
Susceptibility to drought | In normal years soil moisture deficits are never experienced. |
Soil drainage | Imperfectly drained. |
Susceptibility to waterlogging | Waterlogging occurs below 75cm, as a result of raised water table, during some part of the wet season. |
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. |