soil map units where 6A Nuku is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Viti Levu, Vanua Levu |
| Landscape position | Beach dunes of the coastal margins |
| Soil parent material | calcareous sand |
| Slope | Flat to gently undulating (0-2°). Smooth flat microrelief. |
| Surface outcrops | No surface rock outcrops. Few surface coral stones. |
| Brief soil profile description | - |
| Soil profile texture | 0-10cm loamy clay. 10-109cm+ coarse sand. |
| Minimum effective rooting depth | >105cm. Note, low nutrient status below 10cm. |
| Soil pH (acidity) | 0-10cm moderately alkaline. 10-109cm strongly alkaline. |
| Salinity | Non saline. |
| Soil fertility under natural conditions | Very low potassium (K) throughout. Available phosphorus (P), organic carbon (C) and nitrogen (N) very low below 10cm depth. |
| Soil moisture regime | udic/perudic |
| Susceptibility to drought | In normal years soil moisture deficits of 30 days are experienced sometime in the period May to October. |
| Soil drainage | Somewhat excessively drained. |
| Susceptibility to waterlogging | Never waterlogs. |
| Susceptibility to flooding | Never flooded. Subject to wave encroachment during severe storm events. |
