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Apg
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0-14
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Dark grayish brown (10YR3-4/2) clay; common fine prominent yellowish red (5YR5/8) mottles along root channels; weak medium and coarse subangular blocky structure; extremely hard, very firm, very sticky, very plastic; many fine roots; extremely acid (field pH 4.0); abrupt, smooth boundary. |
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BAg
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14-30
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Grayish brown (10YR5/2) clay; many medium to coarse prominent red(10R4/6) and common fine distinct strong brown (7.5YR5/6) mottles; weak medium subangular blocky structure to massive; firm, very sticky, very plastic; common fine roots; patchy organic matter coatings; very strongly acid (field pH 4.5); clear, smooth boundary. |
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Bssjg
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30-60
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Grayish brown (10YR5/2) clay; many medium and coarse distinct strong brown (7.5YR5/8) and common medium prominent red (10R4/8) mottles; common fine streaks of jarosite, yellow (2.5YR8/6) at the upper part and few at the lower part of the horizon; massive; very sticky, very plastic; few fine roots; patchy organic matter coatings; distinct slickensides; extremely acid(field pH 4.0); diffuse, smooth boundary. |
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Bjg
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60-115
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Brown (7.5YR5/2) clay; many medium distinct strong brown (7.5YR5/8) and few fine prominent red (10 R4/8) mottles (streaks); many medium streaks of jarosite, yellow (2.5Y8/6); massive; very sticky, very plastic; few fine roots; extremely acid (field pH4.0); clear, smooth boundary. |
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BCg
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115-165
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Brown (7.5YR5/2) clay; few fine discinct yellowish brown (10YR5/4) mottles; few fine jarosite mottles (in places); massive; very sticky, very plastic; few fine decayed roots and other plant residues; extremely acid (field pH 4.0); clear, smooth boundary. |
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Cg1
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165-195
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Gray (10YR5/1) nearly ripe clay; few decayed plant residues; very strongly acid (field pH 4.5). |
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Cg2
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195-360
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Gray to dark gray (5Y4-5/1) unripe clay; few decayed plant residues; neutral (field pH 7.0). |
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