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ª×èͪÑé¹´Ô¹ |
¤ÇÒÁÅÖ¡(«Á.) |
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A
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0-10
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Very dark gray (10YR3/1) sand; single grains and weak fine granular structure; loose, nonsticky and nonplastic; many fine interstitial pores; many very fine, fine and few coarse roots; very strongly acid (field pH 5.0); clear slightly wavy boundary. |
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C1
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10-44
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Pale brown to light yellowish brown (10YR6/3-4) sand; single grains and weak fine granular structure; loose, nonsticky and nonplastic; many fine interstitial pores; many very fine, fine and few medium roots; slightly acid (field pH 6.5); gradual smooth boundary. |
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C2
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44-75
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Pinkish gray (7.5YR7/2) sand; single grains and weak fine granular structure; loose, nonsticky and nonplastic; many fine interstitial pores; few fine roots; slightly acid (field pH 6.5); diffuse smooth boundary. |
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C3
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75-140
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Pinkish gray to pink (7.5YR7/2-3) sand; single grains and weak fine granular structure; loose, nonsticky and nonplastic; many very fine interstitial pores; slightly acid (field pH 6.5). |
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