soil map units where 60A Navunikodi is dominant
Soil properties
Property | Value |
---|---|
Geographic distribution | Viti Levu, 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 (0-2°). Smooth microrelief. |
Surface outcrops | No surface rock outcrops. Few surface stones. |
Brief soil profile description | - |
Soil profile texture | 0-40cm friable sandy clay loam. 40-60cm friable stony sandy clay. 60-100cm friable to firm slightly stony sandy clay. |
Minimum effective rooting depth | >100cm |
Soil pH (acidity) | 0-100cm strongly acid. |
Salinity | Non saline. |
Soil fertility under natural conditions | Low phosphorus (P) and potassium (K). |
Soil moisture regime | udic/perudic |
Susceptibility to drought | In normal years soil moisture deficits are never experienced. |
Soil drainage | Well drained. |
Susceptibility to waterlogging | May waterlog for short periods below 75cm sometime during the wet season. |
Susceptibility to flooding | 1 in 100 year return period for floods depositing sediment. 1 in 5 year return period for other floods. |