ª×èͪÑé¹´Ô¹ |
¤ÇÒÁÅÖ¡(«Á.) |
¤Ó͸ԺÒªÑé¹´Ô¹ |
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A
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0-9
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Very dark grayish brown (10YR3/2) and dark yellowish brown (10YR4/4) clay loam; moderate fine and medium subangular blocky structure; friable, sticky and plastic; common interstitial and tubular pores; common fine roots; moderately acid (field pH 6.0); gradual smooth boundary. |
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Bw
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9-22
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Strong brown (7.5YR5/6-8) clay; moderate medium subangular blocky structure; firm, sticky and plastic; patchy thin cutan in animal holes; common interstitial and many tubular pores; common fine roots; very strongly acid (field pH 5.0); diffuse smooth boundary. |
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Bt1
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22-42
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Strong brown (7.5YR5/6-8) and yellowish red (5YR5/8) clay; moderate medium subangular blocky structure; firm, sticky and plastic; patchy thin cutan on ped faces and in animal holes; many interstitial and tubular pores; few fine roots; very strongly acid (field pH 5.0); diffuse smooth boundary. |
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Bt2
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42-75
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Mixed yellowish red (5YR5/6) and strong brown (7.5YR5/6) clay; moderate medium subangular blocky structure; friable, sticky and plastic; common patchy thin cutan on ped faces and in animal holes; many interstitial and tubular pores; few fine roots; very strongly acid (field pH 5.0); diffuse smooth boundary. |
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Bt3
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75-105
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Mixed yellowish red (5YR5/6) and few brownish yellow (10YR6/6) clay; moderate fine and medium subangular blocky structure; friable, sticky and plastic; patchy thin cutan on ped faces and in animal holes; many interstitial and tubular pores; few fine roots; very strongly acid (field pH 5.0). |
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