soil map units where 18A Nakelo is dominant
Soil properties
Property | Value |
---|---|
Geographic distribution | Viti Levu |
Landscape position | Inland margins of saline areas in the lowlands and foothills |
Soil parent material | estuarine alluvium from basic and intermediate rocks |
Slope | Flat to near level (0-1°) Normally smooth microrelief. |
Surface outcrops | No surface rock outcrops. No surface stones or boulders. |
Brief soil profile description | - |
Soil profile texture | 0-46cm sandy clay loam. 46-76cm sandy clay. 76-152cm sandy loam. 152-203cm sand. |
Minimum effective rooting depth | <100cm. Note high seasonal water table and low subsoil nutrient status. |
Soil pH (acidity) | 0-46cm moderately acid. 46-112cm strongly acid. 112-152cm extremely acid. |
Salinity | Non saline. |
Soil fertility under natural conditions | Potassium (K) very low. |
Soil moisture regime | aquic |
Susceptibility to drought | Soil moisture deficits are never experienced. |
Soil drainage | Poorly drained. |
Susceptibility to waterlogging | The water table is at the surface after heavy rain but falls to 100cm in dry periods. The water table fluctuates rapidly but can be at 30cm for up to 30 days during the period November to April. |
Susceptibility to flooding | In normal years infrequent (4-5 per year) short duration (3-4 days) flooding can occur following high intensity storms sometime in the period November to April. |