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ª×èͪÑé¹´Ô¹ |
¤ÇÒÁÅÖ¡(«Á.) |
¤Ó͸ԺÒªÑé¹´Ô¹ |
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A
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0-13
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Dark brown (10YR3/3) clay loam; strong fine and medium subangular blocky structure; hard, slightly firm, sticky and very plastic; many fine and medium interstitial pores, few fine and medium tubular pores; many fine and common medium roots; few fine subrounded iron nodules; slightly acid (field pH 6.5); clear smooth boundary. |
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Bt
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13-34
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Yellowish brown (10YR5/6-8) clay; common medium prominent red (2.5YR4/6) and dark reddish brown (5YR3/6) mottles; moderate medium and coarse subangular blocky breaking into strong fine subangular blocky structure; friable, sticky and plastic; patchy moderately thick clay coating on ped faces and thin continuous clay coating in pores; many fine interstitial pores, common fine and few medium tubular pores; common fine and medium roots; common fine and medium iron-manganese nodules; strongly acid (field pH 5.5); gradual smooth boundary. |
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Btgv1
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34-74
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Light gray (10YR7/2) clay; many medium prominent reddish brown (5YR5/4) and yellowish red (5YR5/6) mottles; strong fine and medium subangular blocky structure; friable, sticky and plastic; moderately thick broken clay coating on ped faces and continuous clay coating in pores; common plinthite; many fine interstitial pores, common fine and medium tubular pores; few fine and medium roots; few fine feldspar pieces; strongly acid (field pH 5.5); gradual smooth boundary. |
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Btgv2
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74-100
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Light gray (10YR7/2) clay; many medium prominent dark red (2.5YR3/6) and yellowish red (5YR5/6) mottles; strong fine subangular blocky structure; friable, sticky and plastic; moderately thick broken clay coating on ped faces and continuous clay coating in pores; plinthite 20-50% by volume of the soil matrix; few fine roots; many fine and medium plinthite; strongly acid (field pH 5.5). |
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