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Apg1
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0-10
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Very dark gray (10YR3/1) ripe clay; common fine prominent strong rice rust mottles; weak medium angular blocky structure: hard; many fine roots; strongly acid (field pH 5.0); clear, smooth boundary. |
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Apg2
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10-17/30
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Very dark gray (10YR3/1) clay; few fine prominent strong rice rust mottles; weak medium and coarse angular blocky structure: firm; common fine roots; strongly acid (field pH 5.0); clear, wavy or broken boundary. |
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Bssjg1
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17/30-35/45
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Grayish brown (10YR5/2) clay; many coarse prominent red, medium distinct brownish yellow, very few fine yellow and few medium purple mottles; weak medium prismatic with rough faces breaking to moderate fine angular blocky structure: firm; many slickensides and black cutan on vertical ped faces; very fine gypsum crystals; few fine roots; very strongly acid (field pH 4.5); gradual, wavy boundary. |
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Bssjg2
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35/45-60/70
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Grayish brown (10YR5/2) clay; few medium prominent red, many medium distinct brownish yellow, and very few medium distinct yellow mottles; weak coarse prismatic with rough faces breaking to weak fine angular blocky structure: sticky, plastic; many intersecting slickensides and many small pressure faces; few fine roots; extremely acid (field pH 4.0); gradual, wavy boundary. |
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Bssjg3
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60/70-105
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Grayish brown (10YR5/2) clay; many coarse distinct brownish yellow, common medium distinct yellow, few distinct yellowish brown and few prominent red mottles, yellow mottles mainly in root holes; weak coarse prismatic breaking to moderate fine angular blocky structure: sticky, plastic; few slickensides and many pressure faces; few roots; extremely acid (field pH 4.0); gradual, smooth boundary. |
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Bssg
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105-150
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Grayish brown (10YR5/2) and dark grayish brown (10YR4/2) clay; few distinct brown mottles along pores; weak very coarse prismatic breaking to irregular weak fine angular blocky structure: sticky, plastic; few slickensides; many very fine pores; few roots; extremely acid (field pH 4.0); gradual, smooth boundary. |
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Cg1
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150-220
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Dark gray (10YR4/1) some grayish brown spots; half ripe clay with coarse organic matter; strongly acid (field pH 5.5). |
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Cg2
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220-330
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Dark gray (10YR4/1) half ripe to nearly ripe clay; some organic material; neutral (field pH 7.0). |
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Cg3
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330-480
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Gray (10YR5/1) half ripe to nearly ripe clay; some organic material; moderately alkaline (field pH 8.0). |
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