ª×èͪÑé¹´Ô¹ |
¤ÇÒÁÅÖ¡(«Á.) |
¤Ó͸ԺÒªÑé¹´Ô¹ |
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Ap
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0-17
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Very dark grayish brown (10YR3/2) sandy loam; moderate medium subangular blocky structure; firm, slightly sticky and nonplastic; common fine interstitial pores; many fine and common medium roots; few pieces of charcoal; very strongly acid (field pH 4.5); clear smooth boundary. |
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BA
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17-40
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Brown (10YR5/3) sandy clay with few fine quartz fragment; few to common fine strong brown (7.5YR5/6) mottles; moderate medium to coarse subangular blocky structure; firm, sticky and slightly plastic; common fine interstitial pores; common fine roots; very strongly acid (field pH 4.5); clear smooth boundary. |
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Bt1
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40-68
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Light yellowish brown (10YR6/4) gravelly clay with sand fraction; moderate fine and medium subangular blocky structure; firm, sticky and slightly plastic; thin clay coating on ped faces and in pores; common fine interstitial pores; gravels composed of granite and quartz coated by cementing agent; very strongly acid (field pH 5.0); clear smooth boundary. |
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Bt2
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68-75+
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Mixed Light yellowish brown (10YR6/4) strong brown (7.52YR5/6) and red (2.5YR4/8) gravelly clay with sand fraction; moderate fine and medium subangular blocky structure; firm, sticky and slightly plastic; thin clay coating on ped faces; common fine interstitial pores; gravels composed of medium granite and quartz coated by cementing agent with few to common fine and medium rounded and subrounded ironstone; very strongly acid (field pH 5.0). |
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