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A1
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0-4
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Very dark grayish brown (10YR3/2) silty clay loam; common fine distinct strong brown (7.5YR5/8) mottles; moderate medium subangular blocky structure; very hard, firm, slightly sticky, slightly plastic; many fine and common medium roots; strongly acid (field pH 5.5); clear, smooth boundary. |
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A2
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4-13
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Dark gray (5YR4/1) silty clay; common fine distinct strong brown (7.5YR5/8) mottles; moderate coarse subangular blocky structure; extremely hard, very firm, sticky, plastic; common fine interstitial pores; common fine roots; strongly acid (field pH 5.5); gradual, smooth boundary. |
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Bw1
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13-50
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Grayish brown (10YR5/2) silty clay; many fine distinct yellowish red (5YR4/8) mottles; strong medium subangular blocky structure; extremely hard, very firm, sticky, plastic; common fine roots; common shifting silt coating on cracking faces; very strong acid (field pH 5.0); gradual, smooth boundary. |
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Bw2
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50-80
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Grayish brown (10YR5/2) clay; common fine and medium prominent red (2.5YR4/8) and common medium distinct yellowish red (5YR4/8) mottles; strong fine and medium subangular blocky structure; hard, firm, sticky, plastic; few fine roots; few spots of shifting silt coating on cracking faces; very strongly acid (field pH 5.0); gradual, smooth boundary. |
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Bw3
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80-140
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Grayish brown (10YR5/2) clay; many medium prominent red (10R5/8) and common fine distinct yellowish brown (10YR5/8) mottles; strong medium and coarse subangular blocky structure; hard, firm, sticky, plastic; few soft and hard iron manganese concretions; very strongly acid (field pH 5.0); gradual, smooth boundary. |
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Bw4
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140-180
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Grayish brown (10YR5/2) silty clay; many medium prominent red; (2.5YR4/8) and common fine distinct yellowish brown (10YR5/8) mottles; hard, firm, sticky, plastic; few soft and hard iron manganese concretions; very strongly acid (field pH 5.0). |
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