soil map units where 202D Delaibo is dominant
Soil properties
Property | Value |
---|---|
Geographic distribution | Vanua Levu |
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 | 0-30cm clay. 30-65cm sandy clay. On in situ weathered rock (coarse sand). |
Minimum effective rooting depth | <65cm. Note seasonal subsoil waterlogging. |
Soil pH (acidity) | 0-30cm slightly acid. 30-65cm near neutral. 65-100cm slightly alkaline. |
Salinity | Non saline. |
Soil fertility under natural conditions | Low potassium (K). |
Soil moisture regime | aquic |
Susceptibility to drought | In normal years soil moisture deficits are never experienced. |
Soil drainage | Moderately well drained. |
Susceptibility to waterlogging | In normal years waterlogging below 20cm (due to subsoil lateral flow and impermeable substrate) may be experienced for up to 90 days sometime in the period November to April. |
Susceptibility to flooding | Never floods. |