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ª×èͪÑé¹´Ô¹ |
¤ÇÒÁÅÖ¡(«Á.) |
¤Ó͸ԺÒªÑé¹´Ô¹ |
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A
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0-6
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Pale brown (10YR6/3) dry, dark brown to dark yellowish brown (10YR4/3-4) moist; slightly gravelly sandy clay loam; moderate medium and fine subangular blocky structure; sticky, plastic; few common animal hole; many medium roots; slightly acid (field pH 6.5); clear boundary. |
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Bt1
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6-35
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Pale brown (10YR6/3) to light yellowish brown (10YR6/4) dry, reddish brown (5YR4/4) moist; gravelly sandy clay (gravelly about 40% by volume); moderate fine and medium subangular blocky structure; sticky, plastic; clay coatings on ped faces; few coarse roots; moderately acid (field pH 6.0); wavy boundary. |
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Bt2
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35-80
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Reddish brown (5YR5/4) dry, reddish brown (5YR4/4) moist; gravelly clay (gravelly about 50% by volume); moderate coarse subangular blocky structure; sticky, plastic; broken thin clay coatings on ped faces; few fine roots; strongly acid (field pH 5.5); gradual, wavy boundary. |
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Bt3
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80-100
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Reddish yellow (5YR6/6) dry, yellowish red (5YR4/6) moist; many coarse gravelly clay (gravelly about 50% by volume); moderate medium subangular blocky structure; sticky, plastic; clay coatings on ped faces; few fine angular quartz; very few and fine roots; very strongly acid (field pH 5.0). |
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