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Apg
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0-18
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Dark gray (10YR4/1) clay; many fine distinct yellowish red (5YR5/8) mottles along root channels; moderate medium and coarse subangular blocky structure; extremely firm, sticky, plastic; many fine and medium roots; medium acid (field pH 6.0); clear, smooth boundary. |
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Bssg1
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18-48
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Gray (10YR5-6/1) clay; many fine, medium distinct dark yellowish brown (10YR4/6), few fine distinct yellowish red (5YR5/6) and few medium distinct strong brown (7.5YR5/6) mottles; moderate coarse subangular blocky structure breaking to strong fine angular blocky structure; slightly firm, sticky, plastic; common fine, few medium and coarse roots; few soft iron oxide nodules; many slickensides and pressure faces; some dark brown (10YR3/3) materials coating on ped faces; slightly acid (field pH 6.5); gradual, smooth boundary. |
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Bssg2
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48-94
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Gray (10YR5-6/1) clay; many medium distinct yellowish brown (10YR5/6) and common medium distinct strong brown (7.5YR5/6) mottles; moderate coarse subangular blocky structure breaking to strong medium and fine angular blocky structure; slightly firm, sticky, plastic; common fine, few medium and coarse roots; many slickensides; some patchy of dark gray (10YR4/1) coating on cracking faces; slightly acid, (field pH 6.5); clear, wavy boundary. |
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Bssg3
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94-120
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Dark gray (80% 5YR4/1) and gray (20% 10YR6/1) clay; common medium dark yellowish brown (10YR4/6), reddish brown (5YR4/4) and few fine brownish yellow (10YR6/8) mottles; moderate coarse subangular blocky structure; slightly firm; sticky, plastic; few fine and medium roots; few slickensides and pressure faces; slightly acid (field pH 6.5); gradual, smooth boundary. |
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Bg
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120-160+
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Dark gray (5YR4/1) clay; common medium distinct strong brown (7.5YR5/6) mottles; firm, sticky, plastic; neutral (field pH 7.0). |
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