Characteristic features

Soil Profile N˚

1

2

3

4

5

GPS Coordinates (UTM)

184,787/931,248

185,215/932,039

184,930/93,0902

185,101/932,644

183,744/932,075

Physiography/ landscape position/Land facet

Upland/ summit

Undulating midland/ side slope (back slope)

Undulating midland/ interfluve side slope

Undulating midland/ side slope

Lowland/Interfluve— Inland Valley Swamp

Elevation (m)

85

85

63

79

80

Parent material

Weathered Residium

Weathered colluvium over Residium

Gravel-free colluvium

Gravel-free colluvium/alluvium

Gravel-free colluvium

Soil type

Gravelly soil (Plinthic paleudult)

Gravel-free over gravel soil (Inceptisol over plinthic paleudult)

Gravel-free soil (Inceptisol)

Gravel-free soil (Inceptisol)

Hydromorphic gravel-free soil (Psammaquent)

Surface condition

Gravels mixed with dried leaves

Surface covered with dried leaves

Surface covered with dried leaves

Surface covered with dried leaves

Marshy surface covered with young grasses

Degree of slope

1% - 3%

3% - 5%

1% - 3%

3% - 5%

1% - 2%

Slope class

Very gently sloping

Gently sloping

Very gently sloping

Gently sloping

Very gently sloping

Effective depth of soil (cm)

100+

115+

150+

100+

37

Natural vegetation

Bush regrowth

Bush regrowth

Bush regrowth

Bush regrowth

Wet grass species, Raphia palm and shrubs

Land use

Agriculture

Fallow land

Fallow land just cleared for cultivation

Fallow land

Fallow land

Human influence

Agriculture

(patches of cultivation)

Agriculture

(currently under fallow)

Agriculture (Mango orchard intercropped with cereals)

Agriculture (Mango orchard intercropped with cereals)

Agriculture (rice cultivation)

Moisture condition in profile

Surface layer is dry but profile is moist throughout

Slightly moist throughout the profile

Moist throughout the profile

Moist throughout the profile

Wet throughout the profile

Drainage

Well drained

Well drained

Well drained (rapid)

Moderately well to well drained

Imperfect to poorly drained

Erosion class

No or slight

Moderate

Moderate

Slight

Nil