soil map units where 203A Naweni is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Vanua Levu |
| Landscape position | Hill country in the lowlands and foothills |
| Soil parent material | basic and intermediate igneous rocks |
| Slope | Flat to gently undulating (0-3°). Smooth microrelief. |
| Surface outcrops | No surface rock outcrops. No surface stones or boulders. |
| Brief soil profile description | - |
| Soil profile texture | 0-10cm sandy clay loam. 10-54cm clay loam. 54-82cm sandy clay loam. 82-120cm+ clay loam. |
| Minimum effective rooting depth | <100cm. Note seasonal subsoil waterlogging. |
| Soil pH (acidity) | 0-10cm near neutral. 10-120cm slightly alkaline. 160-180cm moderately alkaline. |
| Salinity | Non saline. |
| Soil fertility under natural conditions | Potassium (K) very low. |
| Soil moisture regime | aquic |
| Susceptibility to drought | In normal years soil moisture deficits are not experienced. |
| Soil drainage | Poorly drained. |
| Susceptibility to waterlogging | In normal years waterlogging below 25cm (due to subsoil lateral flow and landscape position) may be experienced for up to 90 days sometime in the period November to April. |
| Susceptibility to flooding | Infrequent (1-2 times per season) short duration (1-2 days) overflow flooding may be experienced sometime in the period November to April. |
