soil map units where 187D Nawai is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Viti Levu |
| Landscape position | Hill country in the lowlands and foothills |
| Soil parent material | basic and intermediate igneous rocks |
| Slope | Rolling (12-15°). Even microrelief. Surface cracks in the dry season. |
| Surface outcrops | No surface rock outcrops. No surface stones or boulders. |
| Brief soil profile description | - |
| Soil profile texture | 0-70cm clay loam. 70-100cm fine sandy clay loam. |
| Minimum effective rooting depth | <100cm. Vertic properties severely restrict rooting during the dry season. |
| Soil pH (acidity) | 0-12cm slightly acid. 12-100cm near neutral. |
| Salinity | Non saline. |
| Soil fertility under natural conditions | Potassium (K) low. Organic carbon (C) very low in subsoils. |
| Soil moisture regime | ustic |
| Susceptibility to drought | In normal years soil moisture deficits >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. |