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ª×èͪÑé¹´Ô¹ |
¤ÇÒÁÅÖ¡(«Á.) |
¤Ó͸ԺÒªÑé¹´Ô¹ |
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Ap
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0-15
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Dark gray to dark grayish brown (10YR4/1-2) silty clay; common fine distinct strong brown (7.5YR4/6) mottles; moderate fine and medium subangular blocky structure; very hard, friable, sticky, plastic; many very fine roots; slightly acid (field pH 6.5); clear, smooth boundary. |
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BA
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15-57
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Grayish brown (10YR5/2) clay; common fine and medium distinct dark yellowish brown (10YR4/6) mottles; moderate medium and coarse subangular blocky structure; very hard, friable, sticky, plastic; common very fine roots; slightly acid (field pH 6.5); clear, smooth boundary. |
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Bss1
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57-94
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Dark yellowish brown (10YR4/4) clay; common fine and medium distinct grayish brown (10YR5/2) mottles; moderate coarse subangular blocky structure; firm, sticky, plastic; common very fine roots; few fine soft iron manganese nodules, few slickensides; neutral (field pH 7.0); clear, smooth boundary. |
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Bss2
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94-147
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Brown to dark brown (10YR4/3) clay; few fine distinct strong brown(7.5YR4/8) mottles; moderate coarse angular blocky structure; firm, sticky, plastic; few very fine roots; few fine soft iron-manganese nodules; many slickensides; neutral (field pH 7.0); gradual, smooth boundary. |
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Bw
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147-185+
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Dark brown to dark yellowish brown (10YR4/3) clay; common medium distinct strong brown (7.5YR4/6) mottles; weak coarse angular blocky structure; firm, sticky, plastic; few fine soft iron-manganese nodules; mildly alkaline (field pH 7.5). |
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