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Ap1
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0-12
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Dark brown (10YR3/3) silty clay loam; common fine distinct strong brown(7.5YR4/6) mottles; fine crumb and weak fine subangular blocky structure; friable, sticky, plastic; many fine roots; common decayed rice stems; moderately alkaline (field pH 8.0); clear, smooth boundary. |
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Ap2
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12-29
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Very dark grayish brown (10YR3/2) silty clay loam to silty clay; common fine distinct strong brown (7.5YR4/6) mottles; moderate medium subangular blocky structure; firm, sticky, plastic; many very fine, common fine roots; moderately alkaline (field pH 8.0); clear, smooth boundary. |
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C1
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29-48
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Dark yellowish brown to yellowish brown (10YR4/4-5/4) sandy loam; common fine distinct strong brown (7.5YR4/6) mottles; weak fine subangular blocky structure; friable, slightly sticky, slightly plastic; biological activities; moderately alkaline (field pH 8.0); clear, smooth boundary. |
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C2
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48-62
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Dark grayish brown (10YR4/2) clay loam; common fine distinct yellowish brown (10YR5/6) mottles; weak medium subangular blocky structure; firm, sticky, plastic; very few very fine roots; few soft and slightly hard Fe&Mn concretions; moderately alkaline (field pH 8.0); gradual, smooth boundary. |
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C3
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62-85
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Grayish brown (10YR5/2) clay loam; common fine distinct yellowish brown(10YR5/6) mottles; weak medium subangular blocky structure; firm, sticky, plastic; very few very fine roots; few soft and slightly hard Fe&Mn concretions; moderately alkaline (field pH 8.0); gradual, smooth boundary. |
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C4
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85-117
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Brown (10YR5/3) clay loam; common fine distinct yellowish brown (10YR5/6) mottles; weak fine and medium subangular blocky structure; firm, sticky, plastic; few soft Fe&Mn concretions; about 3% of secondary lime concretions ?2-5 mm; moderately alkaline (field pH 8.0); clear, smooth boundary. |
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C5
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117-133
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Yellowish brown (10YR5/6) loamy sand; few fine faint mottles; weak fine subangular blocky structure; very friable, nonsticky, nonplastic; moderately alkaline (field pH 8.0); gradual, smooth boundary. |
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C6
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133-155+
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Yellowish brown (10YR5/4) fine sandy loam; common fine faint yellowish brown (10YR5/6) mottles; weak fine subangular blocky structure; friable, slightly sticky, slightly plastic; few soft and slightly hard Fe&Mn concretions; moderately alkaline (field pH 8.0). |
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