soil map units where 203B 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 | Undulating (4-7°). Smooth microrelief. |
Surface outcrops | No surface rock outcrops. No surface stones or boulders. |
Brief soil profile description | - |
Soil profile texture | 0-60cm clay loam. 60-90cm sandy loam. 90-125cm+ fine sandy clay loam. |
Minimum effective rooting depth | <100cm. Note seasonal subsoil waterlogging. |
Soil pH (acidity) | 0-12cm near neutral. 12-125cm slightly 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 50cm (due to subsoil lateral flow and landscape position) may be experienced for up to 60 days sometime in the period November to April. |
Susceptibility to flooding | Infrequent (once per season) short duration (1-2 days) overflow flooding may be experienced sometime in the period November to April. |