ª×èͪÑé¹´Ô¹ |
¤ÇÒÁÅÖ¡(«Á.) |
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Ap
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0-19
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Dark brown to brown (10YR4/3) sandy clay loam; moderate medium subangular blocky structure; friable, slightly sticky and slightly plastic; common tubular pores; many large, medium and fine roots; very strongly acid (field pH 5.0); gradual smooth boundary. |
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Bw
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19-34
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Strong brown (7.5YR5/8) and dark brown to brown (10YR4/3) coarse sandy clay loam; strong medium subangular blocky structure; firm, sticky and plastic; common tubular and interstitial pores; common medium and many fine roots; very strongly acid (field pH 5.0); diffuse smooth boundary. |
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Bt1
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34-53
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Yellowish red (5YR5/8) slightly gravelly sandy clay; strong medium subangular blocky structure; firm, sticky and plastic; patchy thin cutan on ped faces; common tubular and many interstitial pores; common fine and very fine roots; very strongly acid (field pH 5.0); diffuse smooth boundary. |
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Bt2
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53-80
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Yellowish red (5YR5/8) slightly gravelly sandy clay; strong medium subangular blocky structure; firm, sticky and plastic; patchy thin cutan on ped faces; common tubular and many interstitial pores; few fine and very fine roots; very strongly acid (field pH 5.0); gradual wavy boundary. |
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Bt3
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80-100+
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Red (2.5YR5/6) and yellowish red (5YR5/8) coarse sandy clay; moderate medium subangular blocky structure; firm, sticky and plastic; patchy thin cutan on ped faces; common tubular and many interstitial pores; few very fine roots; very strongly acid (field pH 5.0). |
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