soil map units where 37A Korovuli is dominant
Soil properties
Property | Value |
---|---|
Geographic distribution | Viti Levu, Vanua Levu |
Landscape position | Relict terraces in the lowlands and foothills |
Soil parent material | river alluvium from basic and intermediate rocks |
Slope | Flat to gently undulating (0-3°). Microrelief has slight alluvial ridge and swale. |
Surface outcrops | No surface rock outcrops. No surface stones. |
Brief soil profile description | - |
Soil profile texture | 0-125cm silty clay. |
Minimum effective rooting depth | >100cm. Nutrient deficiencies below 50cm. |
Soil pH (acidity) | 0-125cm moderately acid. |
Salinity | Non saline. |
Soil fertility under natural conditions | Organic carnon (C) is low in topsoil and very low in subsoils. Low % base saturation at depth. Potassium (K) very low throughout. |
Soil moisture regime | ustic |
Susceptibility to drought | In normal years soil moisture deficits are experienced >100 days sometime within the period May to October. |
Soil drainage | Well drained. |
Susceptibility to waterlogging | Due to heavy clay textures profiles below 80cm may experience some short duration waterlogging sometimes during the months of November to April. |
Susceptibility to flooding | Never flooded. |