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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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Dark brown (7.5YR3/2) silt loam; weak coarse subangular blocky structure; firm, sticky, plastic; common fine roots; medium acid (field pH 6.0); clear, smooth boundary. |
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Bt1
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17-35
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Dark reddish brown (5YR3/4) silt loam; moderate medium and coarse subangular blocky structure; slightly firm, sticky, plastic; patchy thin clay coatings on ped faces; common fine roots; strongly acid (field pH 5.5); gradual, smooth boundary. |
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Bt2
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35-55
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Red (2.5YR5/6) clay loam; many fine distinct yellowish brown mottles; moderate medium and coarse subangular blocky breaking to strong fine angular blocky structure; friable, sticky, plastic; broken moderately thick clay coatings on ped faces and continuous in pores; common fine and few medium roots; very strongly acid (field pH 5.0); gradual, smooth boundary. |
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Bt3
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55-90
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Red (2.5YR4/8) clay; many medium distinct yellowish brown mottles; moderate medium and coarse subangular blocky breaking to strong fine angular blocky structure; friable, sticky, plastic; continuous moderately thick clay coatings on ped faces; few fine roots; very strongly acid (field pH 4.5); gradual, smooth boundary. |
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BC
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90-120+
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Red (10R-2.5YR4/8) clay; many medium distinct yellowish brown mottles; contain about 5 percent angular and subangular shale and phyllite fragments; very strongly acid (field pH 4.5). |
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