ª×èͪÑé¹´Ô¹ |
¤ÇÒÁÅÖ¡(«Á.) |
¤Ó͸ԺÒªÑé¹´Ô¹ |
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A1
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0-12
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Brown (7.5YR5/4) loamy sand; weak fine and medium subangular blocky structure; friable, nonsticky and nonplastic; many medium interstitial pores; abundant fine and few medium roots; moderately acid (field pH 6.0); gradual smooth boundary. |
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A2
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12-25
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Brown (7.5YR5/4) loamy sand; weak fine and medium subangular blocky structure; friable, nonsticky and nonplastic; many medium interstitial pores; few fine and medium roots; few pieces of charcoal; strongly acid (field pH 5.5); gradual smooth boundary. |
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Bw
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25-37
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Strong brown (7.5YR5/6) sandy loam; moderate medium and fine subangular blocky structure; firm, slightly sticky and nonplastic; common medium and fine interstitial pores; few fine and medium roots; strongly acid (field pH 5.5); gradual smooth boundary. |
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Bt
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37-72/90
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Strong brown (7.5YR5/8) sandy loam; moderate medium and fine subangular blocky structure; firm, slightly sticky and nonplastic; thin cutan on ped faces; common medium and fine interstitial pores and few fine tubular pores; very few very fine roots; very strongly acid (field pH 5.5); clear smooth boundary. |
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Btc
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72/90-100
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Yellowish red (5YR5/8) very gravelly sandy clay; moderate medium and fine subangular blocky structure; firm, sticky and plastic; moderately thick cutan on ped faces; common medium interstitial pores; gravels composed mostly of rounded and subrounded quartzite, sandstone and ironstone; very strongly acid (field pH 5.5). |
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