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ª×èͪÑé¹´Ô¹ |
¤ÇÒÁÅÖ¡(«Á.) |
¤Ó͸ԺÒªÑé¹´Ô¹ |
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Ap
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0-21
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Very dark grayish brown (10YR3/2) clay loam; weak coarse and medium subangular blocky parting to fine granular structure; friable, sticky, plastic; common medium and fine roots; few marl fragment about 5% (0.3-1 cm in diameter); moderately alkaline (field pH 8.0); clear, smooth boundary. |
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Bw
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21-40
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Dark brown to brown (7.5YR4/2) clay loam; weak coarse and medium subangular blocky structure; friable, sticky, plastic; few fine and very fine roots; gravels composed of marl about 10-15% (0.3-1 cm. in diameter); moderately alkaline (field pH 8.0); clear, smooth boundary. |
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Ck1
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40-87
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Dark brown to brown (7.5YR4-5/2) very gravelly clay loam; weak fine and medium subangular blocky structure; friable, sticky, plastic; few fine and very fine roots; gravels composed of marl about 50-60% (0.3-1 cm. in diameter), one animal hole (2-3 cm.); moderately alkaline (field pH 8.0); gradual, smooth boundary. |
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Ck2
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87-119
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Brown (7.5YR5/2-4) extremely gravelly clay loam; structureless; few fine and very fine roots; one animal hole (12-15 cm. in diameter), gravels composed of marl about 70-80% (0.5-2 cm. in diameter); moderately alkaline (field pH 8.0); gradual, smooth boundary. |
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Ck3
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119-220
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Brown (7.5YR5/2-4) extremely gravelly clay loam; structureless; same as the upper horizon but no root in this horizon. |
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