soil map units where 154H Cuku is dominant
Soil properties
Property | Value |
---|---|
Geographic distribution | Viti Levu and Vanua Levu |
Landscape position | Hill country in the lowlands and foothills |
Soil parent material | silicified and indurated tuffs, sandstones, marls and agglomerates |
Slope | Very steep (36-40°). Uneven microrelief. |
Surface outcrops | Surface rock outcrops occupy 8% of the area. No surface stones or boulders. |
Brief soil profile description | - |
Soil profile texture | 0-10cm firm silty clay loam. 10-24cm firm silt loam. 24-50+ friable weathered in situ rock. |
Minimum effective rooting depth | <25cm. Weathered in situ rock at 25cm. |
Soil pH (acidity) | 0-24cm slightly acid. 24-50cm+ near neutral. |
Salinity | Non saline. |
Soil fertility under natural conditions | Very low phosphorus (P) and potassium (K). |
Soil moisture regime | ustic |
Susceptibility to drought | In normal years soil moisture deficits of >100 days are experienced sometime in the period May to October. |
Soil drainage | Moderately well drained. |
Susceptibility to waterlogging | Never waterlogs. |
Susceptibility to flooding | Never floods. |