soil map units where 36D Nadi is dominant
Soil properties
Property | Value |
---|---|
Geographic distribution | Viti Levu |
Landscape position | Relict terraces in the lowlands and foothills |
Soil parent material | river alluvium from basic and intermediate rocks |
Slope | Rolling (12-15°). Smooth microrelief. |
Surface outcrops | No surface rock outcrops. No surface stones. |
Brief soil profile description | - |
Soil profile texture | 0-70cm sandy clay loam. 70-110cm sandy loam. 110-150cm+ sandy clay loam. |
Minimum effective rooting depth | >150cm. Where machine cultivated a plough pan commonly develops. |
Soil pH (acidity) | 0-40cm moderately acid. 40-150cm near neutral. |
Salinity | Non saline. |
Soil fertility under natural conditions | Organic carnon (C) % very low throughout. Calcium low, and magnesium (Mg) and potassium (K) values very low. Very low cation exchange capacity (CEC) exchange capacity (CEC) and high CRC. |
Soil moisture regime | ustic |
Susceptibility to drought | In normal years soil moisture deficits are experienced >120 days during the period May to October. |
Soil drainage | Well drained. |
Susceptibility to waterlogging | Never waterlogged. |
Susceptibility to flooding | Never flooded. |