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ª×èͪÑé¹´Ô¹ |
¤ÇÒÁÅÖ¡(«Á.) |
¤Ó͸ԺÒªÑé¹´Ô¹ |
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A
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0-16
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Very dark grayish brown (10YR3/2) sand; single grains; loose, nonsticky and nonplastic; plentiful very fine and fine roots; strongly acid (field pH 5.5); clear smooth boundary. |
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AC
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16-24
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Dark yellowish brown (10YR3/4) sand; single grains; loose, nonsticky and nonplastic; plentiful very fine and medium roots; strongly acid (field pH 5.5); clear smooth boundary. |
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C1
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24-56
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Brown to reddish brown (5-7.5YR4/4) sand; single grains; loose, nonsticky and nonplastic; few very fine and medium roots; very strongly acid (field pH 5.0); clear smooth boundary. |
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C2
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56-120
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Yellowish red (5YR4/6) sand; single grains; loose, nonsticky, nonplastic; few very fine and medium roots; very strongly acid (field pH 5.0). |
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