soil map units where 39C Namosau is dominant
Soil properties
Property | Value |
---|---|
Geographic distribution | Viti Levu, Vanua Levu |
Landscape position | Plateau in the lowlands and foothills |
Soil parent material | basic and intermediate rocks |
Slope | Easy rolling (8-11°). Even microrelief. |
Surface outcrops | No surface rock outcrops. No surface stones or boulders. |
Brief soil profile description | - |
Soil profile texture | 0-30cm silty clay loam. 30-80cm clay loam. 80-83cm iron pan. 83-93cm clay loam. 93-96cm iron pan. 96-125cm silty clay loam. |
Minimum effective rooting depth | <80cm. Discontinuous iron pan at this depth. |
Soil pH (acidity) | 0-125cm strongly acid. Note variable charge. |
Salinity | Non saline. |
Soil fertility under natural conditions | Very low nitrogen (N) and potassium (K). Possible aluminium (Al) toxicity. |
Soil moisture regime | ustic |
Susceptibility to drought | In normal years soil moisture deficits >120 days are experienced sometime in the period May to October. |
Soil drainage | Well drained. |
Susceptibility to waterlogging | Never waterlogs. |
Susceptibility to flooding | Never floods. |