soil map units where 36A Nadi is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Viti Levu |
| Landscape position | Relict terraces in the lowlands and foothills |
| Soil parent material | river alluvium from basic and intermediate rocks |
| Slope | Flat to undulating (0-3°). Smooth microrelief. |
| Surface outcrops | No surface rock outcrops. No surface stones. Rare coral gravel (relict fertiliser). |
| Brief soil profile description | - |
| Soil profile texture | 0-60cm sandy clay loam. 60-100cm sandy loam. 100-150cm+ sandy clay loam. |
| Minimum effective rooting depth | >150cm. Where machine cultivated a plough pan commonly develops. |
| Soil pH (acidity) | 0-30cm moderately acid. 30-150cm near neutral. |
| Salinity | Non saline. |
| Soil fertility under natural conditions | Organic carnon (C) % very low throughout. Calcium low, and magnesium (Mg) and potassium (K) values very low. Very low cation exchange capacity (CEC) exchange capacity (CEC) and high CRC. |
| Soil moisture regime | ustic |
| Susceptibility to drought | In normal years soil moisture deficits are experienced >120 days during the period May to October. |
| Soil drainage | Well drained. |
| Susceptibility to waterlogging | Never waterlogged. |
| Susceptibility to flooding | Never flooded. |
