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A1
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0-9
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Dark brown to brown (7.5YR4/2) sandy clay loam; weak fine and medium subangular blocky structure; friable, slightly sticky and slightly plastic; many interstitial pores, many fine and large tubular pores; many fibrous and medium roots; strongly acid (field pH 5.5); clear smooth boundary. |
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A2
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9-20
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Brown to dark brown (7.5YR4/4) sandy clay loam; moderate fine and medium subangular blocky structure; friable, slightly sticky and slightly plastic; many interstitial and tubular pores; many fibrous and few medium roots; very strongly acid (field pH 5.0); gradual smooth boundary. |
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Bw
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20-38
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Strong brown (7.5YR5/6) sandy clay loam; moderate fine and medium subangular blocky structure; friable, slightly sticky and slightly plastic; many interstitial and tubular pores; few large animal holes; few fine and common medium roots; very strongly acid (field pH 5.0); clear smooth boundary. |
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Btc1
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38-75
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Yellowish red (5YR5/8 and 5YR4/6) very gravelly sandy clay; moderate fine to medium subangular blocky structure; friable, slightly sticky and slightly plastic; cutan between laterite fragment; common fibrous roots; gravels composed of rounded laterite, sandstone and quartzite about 90-95% in soil; very strongly acid (field pH 5.0); diffuse smooth boundary. |
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Btc2
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75-100+
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Red (2.5YR5/8) very gravelly clay; moderate fine to medium subangular blocky structure; friable, slightly sticky and slightly plastic; cutan between laterite; gravels composed of rounded laterite, sandstone and quartzite about 90-95% in soil; very strongly acid (field pH 5.0). |
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