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ª×èͪÑé¹´Ô¹ |
¤ÇÒÁÅÖ¡(«Á.) |
¤Ó͸ԺÒªÑé¹´Ô¹ |
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Apg
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0-14
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Very dark gray (10YR3/1) dry, black (10YR2/1) moist, clay; strong brown mottles along roots channels; strong medium to coarse angular blocky structure; hard, firm, sticky, plastic; abundant very fine and fine roots; slightly acid (field pH 6.5); abrupt, smooth boundary. |
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Bssg1
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14-48
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Very dark gray (10YR3/1) clay, many fine faint brown mottles; medium to coarse subangular blocky structure; friable, sticky, plastic; clear slickensides; common very fine and fine roots; slightly acid (field pH 6.5); clear, wavy boundary. |
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Bssg2
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48-90
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Dark gray to gray (10YR4-5/1) clay; many fine faint brown mottles; weak fine to medium subangular blocky structure; very friable, sticky, plastic; many pressure faces and slickensides; few fine roots; slightly acid (field pH 6.5); gradual, wavy boundary. |
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Bssg3
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90-180
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Dark gray (10YR4/1) clay; few fine faint yellowish brown mottles; weak fine to medium subangular blocky structure; very friable, sticky, plastic; many pressure faces and slickensides; few pores; few fine rounded gravels; neutral (field pH 7.0). |
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Ck
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180+
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As above but with white secondary lime concretions. |
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