soil map units where 154D Cuku is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Viti Levu and Vanua Levu |
| Landscape position | Hill country in the lowlands and foothills |
| Soil parent material | silicified and indurated tuffs, sandstones, marls and agglomerates |
| Slope | Rolling (12-15°). Uneven microrelief. |
| Surface outcrops | Surface rock outcrops occupy 8% of the area. No surface stones or boulders. |
| Brief soil profile description | - |
| Soil profile texture | 0-12cm firm silty clay. 12-26cm firm silt loam. 26-50cm+ friable weathered in situ rock. |
| Minimum effective rooting depth | <25cm. Weathered in situ rock at 25cm. |
| Soil pH (acidity) | 0-26cm slightly acid. 26-50cm+ near neutral. |
| Salinity | Non saline. |
| Soil fertility under natural conditions | Very low phosphorus (P) and potassium (K). |
| 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 | Moderately well drained. |
| Susceptibility to waterlogging | Never waterlogs. |
| Susceptibility to flooding | Never floods. |
