ª×èͪÑé¹´Ô¹ |
¤ÇÒÁÅÖ¡(«Á.) |
¤Ó͸ԺÒªÑé¹´Ô¹ |
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Ap
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0-20
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Grayish brown (10YR5/2) loamy medium sand; weak coarse subangular blocky structures breaking to single grain; friable, nonsticky and nonplastic; many fine interstitial pores, few fine and medium tubular pores; common fine roots; moderately alkaline (field pH 8.0); clear smooth boundary. |
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C1
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20-42
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Very pale brown (10YR7/3) loamy coarse sand; common coarse distinct brown to dark brown (10YR4/3) mottles; massive; slightly firm, nonsticky and nonplastic; many fine interstitial pores, few fine and medium tubular pores; more compact than above horizon; few fine roots; moderately alkaline (field pH 8.0); gradual smooth boundary. |
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C2
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42-95
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Very pale brown (10YR7/3) loamy coarse sand; many coarse distinct brown to dark brown (10YR4/3) mottles; very weak coarse subangular blocky structure breaking to single grains; friable, nonsticky and nonplastic; many fine and medium interstitial pores, common fine tubular pores; no roots; moderately alkaline (field pH 8.0); gradual smooth boundary. |
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C3
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95-130
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Light brown (7.5YR6/4) loamy coarse sand; many medium and coarse distinct strong brown (7.5YR5/6) mottles; very weak coarse subangular blocky structure breaking to single grains; friable, nonsticky and nonplastic; many fine and medium interstitial pores, few fine tubular pores; few hard iron nodules; no roots; moderately alkaline (field pH 8.0); gradual smooth boundary. |
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Cg
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130-150
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Pinkish gray (5-7.5YR7/2) loamy coarse sand; common medium and coarse distinct brownish yellow (10YR6/6) and few coarse distinct strong brown (7.5YR5/6) mottles; weak coarse subangular blocky structure breaking to single grains; firm, nonsticky and nonplastic; many fine and medium interstitial pores, few fine tubular pores; common slightly hard iron nodules; no roots; moderately alkaline (field pH 8.0). |
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