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ª×èͪÑé¹´Ô¹ |
¤ÇÒÁÅÖ¡(«Á.) |
¤Ó͸ԺÒªÑé¹´Ô¹ |
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A
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0-15
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Grayish brown (10YR5/2) loamy sand; weak fine granular and subangular blocky structure; friable, nonsticky, nonplastic; common fine tubular pores and many fine interstitial pores; common fine roots; strongly acid (field pH 5.5); abrupt, smooth boundary. |
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BA
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15-24
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Very pale brown (10YR7/3) loamy sand; weak fine and medium subangular blocky structure; friable, nonsticky, nonplastic; bleached sand grains; common fine tubular and interstitial pores; common fine roots; strongly acid (field pH 5.5); clear, smooth boundary. |
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Bw1
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24-35
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Light gray (10YR7/2) sandy loam; weak fine and medium subangular blocky structure; slightly firm, nonsticky, nonplastic; many fine interstitial and common fine tubular pores; few fine roots; some dark spots of humus accumulation; more compact than previous horizon; strongly acid (field pH 5.5); clear, wavy boundary. |
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Bw2
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35-47/63
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Very pale brown (10YR7/3) light sandy clay loam; few fine and medium distinct strong brown (7.5YR5/8) and common medium prominent red (2.5YR4/6) mottles; moderate medium and coarse subangular blocky structure; firm, slightly sticky, slightly plastic; common fine interstitial pores; few fine roots; very strongly acid (field pH 5.0); clear, irregular boundary. |
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Bt
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47/63-110+
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Light brownish gray (10YR6/2) sand clay loam; many medium and coarse prominent red (2.5YR4/6) mottles; moderate medium and coarse subangular blocky structure; firm, slightly sticky, slightly plastic; broken moderately thick clay coating on ped faces; common fine and medium interstitial pores; few fine roots; very strongly acid (field pH 5.0). |
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