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ª×èͪÑé¹´Ô¹ |
¤ÇÒÁÅÖ¡(«Á.) |
¤Ó͸ԺÒªÑé¹´Ô¹ |
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A
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0-7
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Brown to dark brown (7.5YR4/4) sandy loam; moderate medium subangular blocky structure; very friable, nonsticky, nonplastic; many fine roots; few fine and medium ironstones; medium acid (field pH 6.0); clear, smooth boundary. |
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BA
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7-32
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Strong brown (7.5YR5/8) sandy loam; moderate medium subangular blocky structure; friable, slightly sticky, nonplastic; many fine and common medium roots; common fine and few medium ironstones; medium acid (field pH 6.0); gradual, smooth boundary. |
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Btc1
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32-75
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Yellowish red (5YR5/8) very gravelly sandy clay loam; friable, slightly sticky, nonplastic; many fine and common medium roots; many medium and few fine ironstones; strongly acid, (field pH 5.5); gradual, smooth boundary. |
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Btc2
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75-120
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Yellowish red (5YR5/8) very gravelly sandy clay loam; strong medium subangular blocky structure; 80% ironstones; very strongly acid (field pH 5.0); gradual, smooth boundary. |
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Btc3
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120-150
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Reddish yellow (7.5YR6/6) and red (2.5YR4/8) very gravelly sandy loam; moderate medium subangular blocky structure; friable, slightly sticky, slightly plastic; patchy thin clay bridge holding sand grains together; 80% ironstones and few fine and medium quartz fragments; very strongly acid (field pH 5.0); clear, smooth boundary. |
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2Bt1
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150-170
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Light gray (10YR7/1) gravelly clay; many coarse prominent red (10R4/8) mottles; strong coarse subangular blocky structure; very firm, very sticky, plastic; broken moderately thick clay coating on ped faces; 80% ironstones and 20% quartz fragments; very strongly acid (field pH 5.0). |
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2Bt2
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170-180
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Light gray (10YR7/1) clay; many coarse distinct reddish yellow (7.5YR6/6) and few fine yellowish red (5YR5/8) mottles; strong coarse subangular blocky structure; very firm, very sticky, plastic; broken moderately thick clay coating on ped faces; few ironstone and quartz fragments; very strongly acid (field pH 5.0). |
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