soil map units where 157D Koroniqala is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Viti Levu, Kadavu |
| Landscape position | Hill country in the lowlands and foothills |
| Soil parent material | silicified and indurated tuffs, sandstones, marls and agglomerates |
| Slope | Rolling (12-15°). |
| Surface outcrops | Surface rock outcrops cover 5% of the surface. No surface stones or boulders. |
| Brief soil profile description | - |
| Soil profile texture | 0-8cm friable sandy clay loam. 8-50cm firm clay. On strongly weathered in situ rock. |
| Minimum effective rooting depth | <50cm. Weathered rock at 50cm. |
| Soil pH (acidity) | 0-50cm strongly acid. |
| Salinity | Non saline. |
| Soil fertility under natural conditions | Very low phosphorus (P), nitrogen (N) and potassium (K). |
| Soil moisture regime | ustic |
| Susceptibility to drought | In normal years soil moisture deficits of up to 120 days are experienced sometime in the period May to October. |
| Soil drainage | Well drained. |
| Susceptibility to waterlogging | Never waterlogs. |
| Susceptibility to flooding | Never floods. |
