ª×èͪÑé¹´Ô¹ |
¤ÇÒÁÅÖ¡(«Á.) |
¤Ó͸ԺÒªÑé¹´Ô¹ |
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A
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0-9
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Dark brown to brown (10YR3/3) loam; moderate fine to medium subangular blocky structure; friable, nonstick and, nonplastic; many fine and common medium roots; strongly acid (field pH 5.5); clear smooth boundary. |
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Bw
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9-21
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Yellowish brown (10YR5/6) and strong brown (7.5YR5/6) slightly gravelly loam; weak fine to medium subangular blocky structure; friable, nonsticky and nonplastic; many fine and few medium roots; gravels composed of ironstone size 0.2-1.0 cm (round and subrounded shape); strongly acid (field pH 5.5); gradual smooth boundary. |
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Btc1
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21-43
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Strong brown (7.5YR5/8) and yellowish red (5YR5/8) very gravelly clay; unobserved structure; sticky and plastic; common moderately thick cutan on ped faces; many fine roots; gravels composed of ironstone size 0.2-1.0 cm (round and subrounded shape); strongly acid (field pH 5.5); gradual smooth boundary. |
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Btc2
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43-75
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Yellowish red (5YR5/8) and strong brown (7.5YR5/8) very gravelly clay; unobserved structure; sticky and plastic; common moderately thick cutan on ped faces; common fine roots; gravels composed of ironstone size 0.2-2.0 cm (round and subrounded shape); slightly acid (field pH 5.5); diffuse smooth boundary. |
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BCv
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75-120
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Red (10R5/8), strong brown (7.5YR5/8), yellowish brown (10YR5/8) and yellow (10YR7/8) clay; Plinthite more than 50% by volume of the soil matrix or continuous phase. |
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