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ª×èͪÑé¹´Ô¹ |
¤ÇÒÁÅÖ¡(«Á.) |
¤Ó͸ԺÒªÑé¹´Ô¹ |
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Ap
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0-17
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Brown (7.5YR5/4) loamy sand; weak fine and medium subangular blocky structure; very friable, nonsticky, nonplastic; many very fine and fine roots; some pieces of charcoal; very strongly acid (field pH 5.0); clear, smooth boundary. |
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AB
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17-42
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Brow to strong brown (7.5YR5/4-6) sandy loam; many fine distinct red (2.5YR4/8) and common fine distinct pinkish gray (7.5YR6/2) mottles; weak fine and medium subangular blocky structure; friable, slightly sticky, slightly plastic; few medium and fine roots; some pieces of charcoal; very strongly acid (field pH 5.0); gradual, wavy boundary. |
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Bt1
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42-75
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Strong brown (7.5YR5/6) sandy loam; many fine distinct red (2.5YR4/6) and common fine distinct pinkish gray (7.5YR6/2) mottles; weak fine and medium subangular blocky structure; friable, slightly sticky, slightly plastic; patchy thin clay coating on ped faces and in pores; few coarse and medium roots; very strongly acid (field pH 5.0); gradual, wavy boundary. |
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Bt2
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75-112
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Strong brown (7.5YR5/6) sandy clay loam; many fine distinct red (2.5YR4/6) mottles; weak fine and medium subangular blocky breaking to fine subangular blocky structure; friable, sticky, plastic; patchy thin clay coating on ped faces and in pores; very strongly acid (field pH 5.0); gradual, wavy boundary. |
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BC
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112-150
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Pinkish gray (7.5YR7/2) sandy clay loam; many fine distinct dark red (10R3/6) mottles; weak to moderate fine and medium subangular blocky structure; friable, sticky, plastic; some weathering siltstone fragments; very strongly acid (field pH 4.5); gradual, smooth boundary. |
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