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¤ÇÒÁÅÖ¡(«Á.) |
¤Ó͸ԺÒªÑé¹´Ô¹ |
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A
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0-18
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Dark gray (10YR4/1) loamy sand; single grain; loose; nonsticky and nonplastic; plentiful fine roots, few medium and coarse roots; extremely acid (field pH 4.0); diffuse smooth boundary. |
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E1
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18-51
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Gray to light gray (10YR6-7/1) sand; single grain; loose; nonsticky and nonplastic; many fine interstitial pores; common fine roots; strongly acid (field pH 5.5); diffuse smooth boundary. |
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E2
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51-76/80
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White (10YR8/1) sand; single grain; loose; nonsticky and nonplastic; many fine interstitial pores; few fine roots; slightly acid (field pH 6.5); clear smooth boundary. |
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Bh1
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76/80-106
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Black (10YR2/1) and dark brown (7.5YR3/4) loamy sand; massive; firm, nonsticky and nonplastic; common fine interstitial pores; very few fine roots; very strongly acid (field pH 4.5); diffuse smooth boundary. |
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Bh2
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106-136
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Very dark gray (10YR3/1) and dark brown (7.5YR3-4/4) loamy sand; massive; friable, nonsticky and nonplastic; common fine interstitial pores; no roots; very strongly acid (field pH 4.5). |
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