soil map units where 78B Cikobia is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Lau, Vanua Levu |
| Landscape position | Kaast landscapes in the lowlands and foothills |
| Soil parent material | residual material over raised coralline limestone |
| Slope | Undulating (4-7°). Generally even microrelief in natural state. |
| Surface outcrops | Surface rock outcrops cover <10% of area. Surface stones and boulders cover 10% of area. |
| Brief soil profile description | - |
| Soil profile texture | 0-22cm clay loam. 22-95cm clay. On coralline rock. |
| Minimum effective rooting depth | <75-100cm |
| Soil pH (acidity) | 0-50cm slightly alkaline. 50-95cm moderately alkaline. |
| Salinity | Non saline. |
| Soil fertility under natural conditions | Very low potassium (K) throughout. Low calcium (Ca) and magnesium below 50cm. Very low cation exchange capacity (CEC) exchange capacity (CEC) >50cm depth. |
| 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. |
