soil map units where 105F Nasau is dominant
Soil properties
Property | Value |
---|---|
Geographic distribution | Cicia, Koro, Taveuni |
Landscape position | Young volcanic hill country in the lowlands and foothills |
Soil parent material | older pahoehoe lavas |
Slope | Moderately steep (21-25°). Uneven microrelief. |
Surface outcrops | Surface rock outcrops cover 8% of the surface. Surface boulders occupy 5% of the surface. |
Brief soil profile description | - |
Soil profile texture | 0-9cm very friable silty clay loam. 9-15cm very friable silty clay. 15-45cm friable silty clay. 45-70cm firm clay loam. |
Minimum effective rooting depth | <70cm. In situ basalt rock at 70cm. |
Soil pH (acidity) | 0-45cm moderately acid. 45-70cm slightly acid. |
Salinity | Non saline. |
Soil fertility under natural conditions | Low phosphorus (P) and potassium (K). Moderate phosphate retention. |
Soil moisture regime | udic/perudic |
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 | Well drained. |
Susceptibility to waterlogging | Never waterlogs. |
Susceptibility to flooding | Never floods. |