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ª×èͪÑé¹´Ô¹ |
¤ÇÒÁÅÖ¡(«Á.) |
¤Ó͸ԺÒªÑé¹´Ô¹ |
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Ap
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0-9
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Yellowish red (5YR4/6) clay loam; weak fine subangular blocky structure to crumb structure; friable, sticky and plastic, many very fine interstitial and tubular pores; many very fine and fine roots; common fine of charcoal; many fine to medium manganese oxide nodule; moderately acid (field pH 6.0); clear smooth boundary. |
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BA
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9-17
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Red (2.5YR4/6) clay; weak to moderate fine subangular blocky structure; friable, sticky and plastic, common very fine interstitial and common fine tubular pores; common medium to large animal holes; common fine roots; few fine pieces of charcoal; few fine to medium manganese and iron oxide nodules; strongly acid (field pH 5.5); gradual smooth boundary. |
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Bt1
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17-44
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Red (2.5YR4/6) clay; weak fine and medium subangular blocky structure; friable, sticky and plastic, patchy thin cutan on ped faces and in pores; common very fine to fine interstitial pores; few medium animal holes; few fine roots; few fine pieces of charcoal; few fine manganese and iron oxide nodules; strongly acid (field pH 5.5); gradual smooth boundary. |
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Bt2
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44-96
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Red (2.5YR4/6) clay; weak medium and coarse subangular blocky structure; friable to firm, sticky and plastic, patchy thin cutan on ped faces and in pores; many very fine and fine interstitial and tubular pores; few medium animal holes; few large decayed, few fine roots; common fine and medium manganese and iron oxide nodules; very strongly acid (field pH 4.5); gradual smooth boundary. |
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Btc
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96-130
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Red (2.5YR4/6) gravelly clay; weak medium and coarse subangular blocky structure; friable to firm, sticky and plastic, patchy thin cutan on ped faces and in pores; common very fine interstitial and few fine tubular pores; few fine roots; common to many fine and medium manganese and iron oxide nodules; gravels composed of ironstones more than 35% by volume of the soil matrix; very strongly acid (field pH 4.5). |
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