soil map units where 65A Kedra is dominant
Soil properties
Property | Value |
---|---|
Geographic distribution | Vanua Levu |
Landscape position | Secondary floodplains and depressions in the lowlands and foothills |
Soil parent material | river alluvium from acidic rocks |
Slope | Flat to near level (0-1°). Even microrelief. |
Surface outcrops | No surface rock outcrops. No surface stones or boulders. |
Brief soil profile description | - |
Soil profile texture | 0-23cm friable sandy clay loam. 23-40cm firm to friable sandy clay. 40-90cm soft clay. |
Minimum effective rooting depth | <60cm. Water table at 60cm during the wet season. |
Soil pH (acidity) | 0-90cm moderately acid |
Salinity | Non saline. |
Soil fertility under natural conditions | Low phosphorus (P). |
Soil moisture regime | aquic |
Susceptibility to drought | In normal years soil moisture deficits are never experienced. |
Soil drainage | Poorly drained. |
Susceptibility to waterlogging | Waterlogs below 60cm for 4 months in the period November to April. |
Susceptibility to flooding | 1 in 20 year return period for floods depositing alluvium. 2 in 1 year return period for other floods. |