soil map units where 170D Tailevu is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Viti Levu, Vanua Levu |
| Landscape position | Hill country in the lowlands and foothills |
| Soil parent material | basic and intermediate igneous rocks |
| Slope | Rolling (12-15°). Generally uneven microrelief. |
| Surface outcrops | No surface rock outcrops. Few surface boulders. |
| Brief soil profile description | - |
| Soil profile texture | 0-15cm friable silty clay loam. 15-90cm very firm clay. 90-140cm in situ coarse angular basalt rubble. |
| Minimum effective rooting depth | <90cm. In situ rock at 90cm. Note low subsoil nutrient status. |
| Soil pH (acidity) | 0-140cm strongly acid. |
| Salinity | Non saline. |
| Soil fertility under natural conditions | Very low phosphorus (P). Very low potassium (K) and nitrogen (N) below 15cm. |
| Soil moisture regime | udic/perudic |
| Susceptibility to drought | In normal years soil moisture deficits are never experienced. |
| Soil drainage | Well drained. |
| Susceptibility to waterlogging | Never waterlogs. |
| Susceptibility to flooding | Never floods. |
