soil map units where 1a Loga peaty sand is dominant
Soil properties
Property | Value |
---|---|
Geographic distribution | Samoa |
Landscape position | Soils of the coastlands, valley floors and their margins |
Soil parent material | from saline estuarine sand and clay |
Slope | Flat surface at high tide level |
Surface outcrops | No rock outcrops. No surface stones or boulders. |
Brief soil profile description | - |
Soil profile texture | 20cm fibrous peaty sand. on sandy clay |
Minimum effective rooting depth | 0cm due to permanent flooding |
Soil pH (acidity) | Slightly alkaline (pH = pH = 7.2) |
Salinity | Non saline |
Soil fertility under natural conditions | Moderate fertility when drained |
Soil moisture regime | - |
Susceptibility to drought | Rainfall 2000-4000mm. |
Soil drainage | Imperfectly drained |
Susceptibility to waterlogging | Permanently waterlogged |
Susceptibility to flooding | Permanently flooded through fluctuating diurnally with the tides |