soil map units where 164B Yavuna is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Viti Levu |
| Landscape position | Beach dunes of the coastal margins |
| Soil parent material | calcareous sand |
| Slope | Undulating (4-7°). Generally smooth microrelief. |
| Surface outcrops | Few surface rock outcrops. Few surface stones. |
| Brief soil profile description | - |
| Soil profile texture | 0-9cm silt loam. 9-30cm sandy loam. On weathered in situ rock. |
| Minimum effective rooting depth | <30cm. In situ rock normally encountered by 30cm. |
| Soil pH (acidity) | 0-9cm strongly acid. 9-30cm near neutral. 30-50cm+ slightly acid. |
| Salinity | Non saline. |
| Soil fertility under natural conditions | Very low potassium (K) and nitrogen (N). Low phosphorus (P). |
| Soil moisture regime | ustic |
| Susceptibility to drought | In normal years soil moisture deficits of 100 days are experienced sometime in the period May to October. |
| Soil drainage | Well drained. |
| Susceptibility to waterlogging | Never waterlogs. |
| Susceptibility to flooding | Never floods. |
