soil map units where 90A Dulevi is dominant
Soil properties
Property | Value |
---|---|
Geographic distribution | Taveuni, Koro |
Landscape position | Young volcanic hill country in the lowlands and foothills |
Soil parent material | basaltic ash |
Slope | Flat to gently undulating (0-3°). Uneven microrelief. |
Surface outcrops | No surface rock outcrops. No surface stones or boulders. |
Brief soil profile description | - |
Soil profile texture | 0-20cm very friable clay loam. 20-80cm very friable sandy clay. 80-120cm friable to firm gravelly clay loam. |
Minimum effective rooting depth | >120cm |
Soil pH (acidity) | 0-20cm moderately acid. 20-120cm slightly acid. |
Salinity | Non saline. |
Soil fertility under natural conditions | Low potassium (K). High phosphate retention. |
Soil moisture regime | udic/perudic |
Susceptibility to drought | In normal years soil moisture deficits of up to 30 days are experienced sometime in the period May to October. |
Soil drainage | Somewhat excessively drained. |
Susceptibility to waterlogging | Never waterlogs. |
Susceptibility to flooding | Never floods. |