soil map units where 72A Molamolau is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Vanua Levu |
| Landscape position | Fans and outwash surfaces in the lowlands and foothills |
| Soil parent material | river alluvium from basic and intermediate rocks |
| Slope | Flat to gently undulating (0-3°). Generally smooth microrelief. |
| Surface outcrops | No surface rock outcrops. No surface stones or boulders. |
| Brief soil profile description | - |
| Soil profile texture | 0-8cm friable to firm clay. 8-23cm friable clay. 23-100cm firm clay. |
| Minimum effective rooting depth | <100cm |
| Soil pH (acidity) | 0-100cm strongly acid. |
| Salinity | Non saline. |
| Soil fertility under natural conditions | Very low phosphorus (P) and nitrogen (N). |
| Soil moisture regime | ustic |
| Susceptibility to drought | In normal years soil moisture deficits of up to 100 days are experienced sometime in the period May to October. |
| Soil drainage | Imperfectly drained. |
| Susceptibility to waterlogging | Can waterlog in the subsoil for up to 30 days sometime in the period November to April. |
| Susceptibility to flooding | 1 in 25 year return period for floods depositing alluvium. 1 in 5 year return period for other floods. |
