soil map units where 39A 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 | Flat to gently undulating (0-3°). Even microrelief. |
| Surface outcrops | No surface rock outcrops. Rare surface boulder. |
| Brief soil profile description | - |
| Soil profile texture | 0-16cm silty clay loam. 16-64cm clay loam. 64-67cm iron pan. 67-89cm clay loam. 89-92cm iron pan. 92-125cm silty clay loam. |
| Minimum effective rooting depth | <65cm. Discontinuous iron pan at this depth. |
| Soil pH (acidity) | 0-125cm strongly acid. |
| 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. |
