soil map units where 73A Lautoka is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Viti Levu |
| Landscape position | Fans and outwash surfaces in the lowlands and foothills |
| Soil parent material | river alluvium from basic and intermediate rocks |
| Slope | Flat to gently undulating (0-2°). Smooth microrelief. |
| Surface outcrops | No surface rock outcrops. No surface stones. |
| Brief soil profile description | - |
| Soil profile texture | 0-80cm clay loam. 80-125cm+ clay. |
| Minimum effective rooting depth | >100cm. Low available potassium (K) in subsoils. |
| Soil pH (acidity) | 0-30cm slightly acid. 30-125cm moderately acid. |
| Salinity | Non saline. |
| Soil fertility under natural conditions | Organic carnon (C) is low in topsoil and very low in subsoils. Potassium (K) is low in topsoil and very low in subsoils. |
| Soil moisture regime | ustic |
| Susceptibility to drought | In normal years soil moisture deficits are experienced for 90 days during the months of May to October. |
| Soil drainage | Moderately well drained. |
| Susceptibility to waterlogging | Subject to short duration (2-3 days). Water logging during November to April. Water table >100cm at all times. |
| Susceptibility to flooding | Infrequently flooded. Return period 1 in 5 years. |
