soil map units where 191D Totoya is dominant
Soil properties
| Property | Value |
|---|---|
| Geographic distribution | Viti Levu, Vanua Levu, Lau |
| Landscape position | Hill country in the lowlands and foothills |
| Soil parent material | basic and intermediate igneous rocks |
| Slope | Rolling (12-15°). Smooth microrelief. |
| Surface outcrops | No surface rock outcrops. No surface stones or boulders. |
| Brief soil profile description | - |
| Soil profile texture | 0-40cm gritty clay. 40-72cm clay. 72-125cm gritty clay. |
| Minimum effective rooting depth | <125cm |
| Soil pH (acidity) | 0-72cm slightly acid. 72-125cm near neutral. |
| Salinity | Non saline. |
| Soil fertility under natural conditions | Available phosphorus (P) very low. Exchangeable calcium (Ca) and potassium (K) low. Very low organic carbon (C) below 10cm. |
| Soil moisture regime | ustic |
| Susceptibility to drought | In normal years soil moisture deficits >100 days are experienced in the period May to October. |
| Soil drainage | Well drained. |
| Susceptibility to waterlogging | Never waterlogs. |
| Susceptibility to flooding | Never floods. |
