ª×èͪÑé¹´Ô¹ |
¤ÇÒÁÅÖ¡(«Á.) |
¤Ó͸ԺÒªÑé¹´Ô¹ |
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Ap
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0-10
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Yellowish brown (10YR5/4) loam; weak medium and coarse subangular blocky structure; friable, slightly sticky, and slightly plastic; common fine and very fine interstitial pores, few fine and very fine tubular pores; plentiful fine and medium roots; moderately acid (field pH 6.0); clear smooth boundary. |
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Bt1
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10-17
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Brown to strong brown (7.5YR5/4-6) clay loam; weak to moderate medium and coarse subangular blocky structure; friable, slightly sticky and slightly plastic; many moderately thick clay films on ped faces; common fine and very fine interstitial pores, few fine tubular pores; few fine and medium roots; strongly acid (field pH 5.5); gradual smooth boundary. |
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Bt2
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17-40
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Mixed brownish yellow (10YR5/6) yellowish red (5YR5/8) and red (2.5YR4/6) clay; moderate medium and coarse subangular blocky structure; slightly firm, sticky and plastic; many moderately thick clay films on ped faces; few fine and medium roots; very strongly acid (field pH 5.0); diffuse smooth boundary. |
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Bt3
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40-87
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Mixed brownish yellow (10YR6/6) and yellowish red (5YR5/8) clay; moderate fine and medium subangular blocky structure; friable, sticky and plastic; many moderately thick clay films on ped faces; common fine and very fine interstitial pores, few very fine tubular pores; few fine roots; very strongly acid (field pH 4.5); clear smooth boundary. |
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Cr
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87-110
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Mixed light yellowish brown to brownish yellow (10YR6/4-6) and red (2.5YR4/6) clay with shale fraction; structureless; friable, slightly sticky and plastic; the layer of weathered shale; very strongly acid (field pH 4.5). |
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