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12

Parent material : Wash over residuum
Drainage : Well drained
Permeability : Moderate
Runoff : Moderate
Depth of ground water : Deeper than 160 cm at time of sampling

III Profile description
Horizon Depth (cm) Description

Ap1 0-20 Brown (7.5YR 5/4); loamy sand; moderately weak fine subangular blocky
structure; soft dry, friable moist, slightly sticky and non-plastic; slightly acid
(field pH 6.5).
Ap2 20-35 Mixed brown and dark brown (7.5YR 4/4); sandy loam; moderately weak fine
and medium subangular blocky structure; soft dry, friable moist, slightly sticky
and non-plastic; slightly acid (field pH 6.5).

BA 35-55 Strong brown (7.5YR 5/6); sandy clay loam; moderate weak fine and medium
subangular blocky structure; soft dry, friable moist, slightly sticky and non-
plastic; slightly acid (field pH 6.5).
Bt1 55-72 Reddish yellow (7.5YR 6/8); sandy clay loam; moderate fine and medium
subangular blocky structure; slightly hard dry, friable moist, slightly sticky and
slightly plastic; moderately acid (field pH 6.0).

Bt2 72-120 Strong brown (7.5YR 5/8); fine sandy clay loam; moderate fine and medium
subangular blocky structure; slightly hard dry, friable moist, moderately sticky
and moderately plastic; very strongly acid (field pH 5.0).
Bt3 120-150 Strong brown (7.5YR 5/8); sandy clay loam; moderate fine and medium
subangular blocky structure; slightly hard dry, friable moist, moderately sticky
and moderately plastic; moderately acid (field pH 6.0).
Bt4 150+ Strong brown (7.5YR 5/8) 98% pinkish gray (5YR 7/2) 2%; fine sandy clay loam;
moderate fine and medium subangular blocky structure; hard dry, friable moist,
moderately sticky and moderately plastic; moderately acid (field pH 6.0).