[en] Landscape Ecological Survey of the Bipindi-Akom II ... - ITTO

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PROFILE PROFILE 202
Legend unit: Cu2
Soil classification: classification: Acri-xanthic Acri-xanthic Ferralsol (FAO)
Typic Kandiudult Kandiudult (Soil Taxonomy) Taxonomy)
Description:
Description:
On 10-08-95 by Gerard Hazeu
Location: Location:
About 1.5 km km S of Engomba Engomba village; 3°04'84 Nand 10°39'45 E
Elevation: Elevation:
360 m m
Landform and slope: Rolling uplands; lower slope 15 - 20%
Parent Parent material: material: Gneisses of the Precambrian Precambrian shield
Vegetation: Vegetation:
Forest
Drainage:
Well drained
Soil:
Very deep, yellowish brown clay with sandy clay loam to to sandy clay
topsoil
Depth Depth (cm)
0- 9
9- 20
20- 57
57-160
160-200
On 10-08-95 by Gerard Hazeu
Hor. Description Description
Ah dark brown (lOYR3/3); (lOYR3/3); sandy clay loam; moderate moderate fine crumb to
subangular subangular blocky; very friable, slightly sticky and slightly plastic;
common fine to medium roots; clear and smooth transition to
BA dark yellowish brown (lOYR4/4); (lOYR4/4); sandy clay loam; moderate fine
subangular subangular blocky; blocky; friable, friable, slightly slightly sticky sticky and slightly slightly plastic; plastic; very few to to
common, common, fine to medium roots; clear and wavy transition transition to
Bwsl yellowish yellowish brown (lOYR5/6); (IOYR5/6); sandy clay; few (5%) medium medium faint to
distinct, diffuse 5YR5/8 5YR5/8 mottles; weak to moderate, moderate, very fine to fine
subangular subangular blocky; blocky; friable, friable, slightly slightly sticky sticky and slightly slightly plastic; plastic; patchy patchy thin
clay and humus humus cutanS; cutanS; very few to common, common, fme to coarse roots; gradual gradual
and wavy transition transition to
Bws2 yellowish yellowish brown brown (lOYR5/8); (lOYR5/8); slightly slightly gravelly gravelly clay; few medium medium faint
diffuse 5YR5/8 5YR5/8 mottles; very few « 5 %) %) small hard spherical iron
concretions; concretions; weak very fine to fine subangular subangular blocky; friable, slightly
sticky and slightly slightly plastic; plastic; patchy patchy thin clay and humus humus cutans; cutans; few to to
common, very fine to fine roots; gradual and smooth transition transition to
Bv yellowish yellowish brown (lOYR5/8); (IOYR5/8); gravelly gravelly clay; many (35%) medium medium faint
diffuse 2.5YR4/8 2.5YR4/8 mottles; frequent small soft irregular iron concretions;
concretions;
weak very fine to fine subangular subangular blocky; friable, slightly sticky and
slightly plastic; very few to common, common, very fine to medium roots.
Horizon Horizon
Ah
BA
Bwsl Bwsl
Bws2
Bv
Horizon Horizon
Ah
BA
Bwsl
Bws2 Bws2
Bv
Horizon Horizon
Ah
BA
Bwsl
Bws2 Bws2
Bv
Profile 202
Particle Particle size distribution distribution
Depth (cm) % % offine earth; in J.lm
pH