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

PROFILE PROFILE 204 204
Legend Legend unit: unit: Cu2 Cu2
Soil Soil classification: classification: Acri-xanthic Acri-xanthic Ferralsol Ferralsol (FAO) (FAO)
Typic Typic kandiudult kandiudult (Soil (Soil Taxonomy) Taxonomy)
Description:
Description:
On On 10-08-95 10-08-95 by by Gerard Gerard Hazeu Hazeu
Location: Location:
About About I I km km S S of of Engomba Engomba village; village; 3°04'84 3°04'84 Nand Nand 10°39'45 10°39'45 E E
Elevation: Elevation:
390 390 m m
Landform Landform and and slope: slope: Rolling Rolling uplands; uplands; upper upper slope slope 10- 10- 15% 15%
Parent Parent material: material: Gneisses Gneisses of of the the Precambrian Precambrian shield shield
Vegetation: Vegetation:
Forest Forest
Drainage: Drainage:
Well Well drained drained
Soil: Soil:
Very Very deep, deep, yellowish yellowish brown brown clay clay with with sandy sandy clay clay loam loam to to sandy sandy clay clay
topsoil topsoil
Depth Depth (cm) (cm)
0- 0- 6 6
6- 6- 16 16
16- 16- 47 47
47-200 47-200
1I0r. 1I0r. Descri Descri ption ption
Ah Ah dark dark yellowish yellowish brown brown (IOYR3/4); (IOYR3/4); sandy sandy clay clay loam; loam; moderate moderate to to strong, strong,
very very fine fine crumb crumb to to subangular subangular blocky; blocky; very very friable, friable, slightly slightly sticky sticky and and
slightly slightly plastic; plastic; common common to to many, many, very very fine fine to to fine fine roots; roots; clear clear and and smooth smooth
transition transition to to
BA BA yellowish yellowish brown brown (lOYR5/6); (lOYR5/6); sandy sandy clay; clay; weak weak to to moderate, moderate, very very fine fine to to
fine fine subangular subangular blocky; blocky; friable, friable, slightly slightly stick,), stick,), and and slightly slightly plastic; plastic; few few to to
common, common, very very fine fine to to fine fine roots; roots; clear clear and and smooth smooth transition transition to to
Bwsl Bwsl yellowish yellowish brown brown (lOYR5/8); (lOYR5/8); clay; clay; few few (5%) (5%) fine fine to to medium, medium, faint, faint, diffuse diffuse
7.5YR6/8 7.5YR6/8 mottles; mottles; weak weak very very fine fine to to fine fine subangular subangular blocky; blocky; friable, friable,
slightly slightly sticky sticky and and slightly slightly plastic; plastic; patchy patchy thin thin clay clay cutans; cutans; few few to to
common, common, fine fine to to coarse coarse roots; roots; diffuse diffuse and and smooth smooth transition transition to to
Bws2 Bws2 yellowish yellowish brown brown (lOYR5/8); (lOYR5/8); clay; clay; few few (10%) (10%) medium medium distinct distinct diffuse diffuse
7.5YR6/8 7.5YR6/8 mottles; mottles; weak weak very very fine fine to to fine fine subangular subangular blocky; blocky; friable, friable,
slightly slightly sticky sticky and and slightly slightly plastic; plastic; few few very very fine fine to to fine fine roots. roots.
Horizon Horizon
Ah Ah
BA BA
Bwsl Bwsl
Bws2 Bws2
Bws2 Bws2
Horizon Horizon
Ah Ah
BA BA
Bwsl Bwsl
Bws2 Bws2
Bws2 Bws2
Horizon Horizon
Ah Ah
BA BA
Bwsl Bwsl
Bws2 Bws2
Bws2 Bws2
Profile Profile 204 204
Particle Particle size size distribution distribution
Depth Depth (cm) (cm) % % of of fine fine earth; earth; in in J.Im J.Im
pH pH