soil map units where 12A Vunavutu is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Viti Levu |
| Landscape position | Beach dunes of the coastal margins |
| Soil parent material | high quartz sand |
| Slope | Near flat (0-1°). |
| Surface outcrops | No surface rock outcrops or surface boulders. |
| Brief soil profile description | - |
| Soil profile texture | 0-30cm firm silty clay. 30-80cm firm sticky fine sandy clay loam. 80-130cm firm sticky sandy clay. |
| Minimum effective rooting depth | >100cm |
| Soil pH (acidity) | 0-130cm near neutral. |
| Salinity | Non saline. |
| Soil fertility under natural conditions | Low nitrogen (N) values. |
| Soil moisture regime | udic |
| Susceptibility to drought | In normal years soil moisture deficits >90 days are experienced sometime in the period May to October. |
| Soil drainage | Well drained. |
| Susceptibility to waterlogging | Waterlogs for a few days 3 times on average during the wet season. |
| Susceptibility to flooding | Floods with wet season high intensity storms. Water may pond for up to 7 days. |