Page 54 - E-BOOK English

Soil classification

WRB: Dystric Cambisols
Soil taxonomy: Coarse loamy, mixed, active Typic Dystrustepts

Soil series: Don Chedi series (Dc)

Profile description

 0-23/26 cm (Ap) Dark grayish brown (10YR 4/2)
sandy loam; weak fine subangular blocky

structures; friable, nonsticky, nonplastic;
common fine roots; few fine to medium

charcoal pieces; many fine micas; strongly
acid (field pH 5.5); clear, smooth boundary.

 23/26-50 cm (AB) Dark brown to brown
(10YR 4/3) sandy loam; moderate fine to

medium subangular blocky structures; soft,
friable, slightly sticky, nonplastic; common
fine roots; few fine to medium charcoal

pieces; common fine micas; very strongly

acid (field pH 5.0); clear, smooth boundary.

 50-84 cm (Bw1) Dark brown to brown (7.5YR 4/4)
sandy loam; moderate fine to medium

subangular blocky structures; soft, friable,
slightly sticky, nonplastic; common fine roots; few medium to coarse termite holes; common fine

micas; very strongly acid (field pH 5.0); clear, smooth boundary.

 84-115 cm (Bw2) Dark brown to brown (7.5YR 4/4-5/4) sandy loam; weak fine to medium
subangular blocky structures; soft, friable, nonsticky, nonplastic; common fine roots; many

fine micas; very strongly acid (field pH 5.0); clear, smooth boundary.

 115+cm (Bw3) Strong brown (7.5YR 5/6) sandy loam; weak fine to medium subangular

blocky structures; soft, friable, nonsticky, nonplastic; strongly acid (field pH 5.5).

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