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ª×èͪÑé¹´Ô¹ |
¤ÇÒÁÅÖ¡(«Á.) |
¤Ó͸ԺÒªÑé¹´Ô¹ |
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A
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0-4
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Dark reddish brown (5YR3/4) silty clay loam; strong medium and fine subangular blocky and granular structure; very friable, slightly sticky, slightly plastic; very frequent, very fine, few fine and medium roots; medium acid (field pH 6.0); clear, smooth boundary. |
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AB
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4-14
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Reddish brown (5YR4/4) clay; strong medium and fine subangular blocky with some crumb and granular structure; friable, sticky, plastic; frequent very fine to medium roots; very strongly acid (field pH 5.0); clear, smooth boundary. |
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Bt1
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14-50
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Yellowish red to red (5YR-2.5YR4/6) clay; moderate medium and fine subangular blocky structure; slightly firm, sticky, plastic; patchy and continuous moderately thick cutans, mainly on some ped faces and in pores; common very fine and few medium roots; very strongly acid (field pH 5.0); gradual, smooth boundary. |
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Bt2
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50-70
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Yellowish red to red (5-2.5YR4/6) clay; moderate medium and fine subangular blocky structure; broken and continuous moderately thick cutans, mainly on ped faces and in pores; few fine and medium roots; very strongly acid (field pH 4.5); gradual, smooth boundary. |
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Bt3
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70-110+
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Yellowish red (5YR4/8) clay; moderate medium and fine subangular blocky structure; broken and continuous moderately thick cutans, mainly on ped faces and in pores; few small rounded grains of greenish rock; few very fine roots; very strongly acid (field pH 4.5). |
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