soil map units where 207D Delainacau is dominant
Soil properties
Property | Value |
---|---|
Geographic distribution | Vanua Levu |
Landscape position | Hill country in the lowlands and foothills |
Soil parent material | in situ mixed acidic and basic tuffs |
Slope | Rolling (12-15°). Uneven microrelief. |
Surface outcrops | No surface rock outcrops. No surface stones or boulders. |
Brief soil profile description | - |
Soil profile texture | 0-12cm friable slightly sandy clay. 12-32cm friable clay. 32-44cm friable very slightly sandy clay. 44-69cm friable to firm sandy clay. On weathered tuff. |
Minimum effective rooting depth | <70cm. In situ rock at 70cm. |
Soil pH (acidity) | 0-32cm moderately acid. 32-69cm strongly acid. |
Salinity | Non saline. |
Soil fertility under natural conditions | Low phosphorus (P) and potassium (K). |
Soil moisture regime | udic/perudic |
Susceptibility to drought | In normal years soil moisture deficits of up to 50 days are experienced sometime in the period May to October. |
Soil drainage | Well drained. |
Susceptibility to waterlogging | Never waterlogs. |
Susceptibility to flooding | Never floods. |