ª×èͪÑé¹´Ô¹ |
¤ÇÒÁÅÖ¡(«Á.) |
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Ap
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0-17
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Dark brown (10YR3/3) sandy loam; weak medium and coarse subangular blocky structure breaking to fine and medium granular structure; friable, slightly sticky and slightly plastic; many fine interstitial pores; common fine roots; moderately acid (field pH 6.0); clear smooth boundary. |
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BA
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17-28
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Brown (7.5YR5/4) and dark brown to brown (10YR4/3) medium sandy clay loam; weak fine to medium subangular blocky structure; friable, slightly sticky and slightly plastic; common very fine interstitial and few very fine tubular pores; few fine roots; moderately acid (field pH 6.0); gradual smooth boundary. |
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Bt1
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28-64
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Strong brown to brown (7.5YR5/4-6) clay with medium sandy; moderately medium and coarse subangular blocky structure; firm, sticky and plastic; broken moderately thick cutan on ped faces; common very fine and fine interstitial pores and few very fine tubular pores; very few fine roots; strongly acid (field pH 5.5); gradual smooth boundary. |
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Bt2
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64-94/98
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Yellowish red (5YR5/6) strong brown (7.5YR5/8) slightly gravelly clay with medium sandy; weak to moderate medium and coarse subangular blocky structure; firm, sticky and plastic; broken moderately thick cutan on ped faces; common very fine interstitial and tubular pores; very few fine roots; strongly acid (field pH 5.5); clear smooth boundary. |
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Bt3
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94/98-135
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Strong brown (7.5YR5/8) and yellowish red (5YR4/6) gravelly clay with medium sandy; weak to moderate medium and coarse subangular blocky structure; firm, sticky plastic; broken moderately thick cutan on ped faces; common very fine interstitial and tubular pores; strongly acid (field pH 5.5). |
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