ª×èͪÑé¹´Ô¹ |
¤ÇÒÁÅÖ¡(«Á.) |
¤Ó͸ԺÒªÑé¹´Ô¹ |
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Apg
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0-15
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Mixed grayish brown (10YR5/2) and brown (10YR5/3) silty clay loam; common fine and medium prominent yellowish red (5YR5/6) mottles along roots channels; moderate medium subangular blocky structure; very hard, very firm, slightly sticky and slightly plastic; many fine roots; very strongly acid (field pH 5.0); clear smooth boundary. |
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Btg1
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15-35
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Grayish brown (10YR5/2) silty clay; common fine distinct dark brown to brown (10YR4/3) and few fine distinct dark brown to brown (7.5YR4/4) mottles; moderate coarse subangular blocky structure; very firm, sticky and plastic; patchy thick cutan along ped faces; common silt coat on some faces; few fine roots; strongly acid (field pH 5.5); clear wavy boundary. |
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Btg2
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35-74
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Light brownish gray (2.5Y6/2) and gray (10YR5/1) clay; common fine distinct light olive brown (2.5Y5/4) and common fine distinct brownish yellow (10YR6/6) mottles; weak coarse subangular blocky structure; firm, sticky and plastic; moderately thick cutan along channels; few medium roots; distinct slickenside along ped faces; common soft manganese and iron concretion; moderately alkaline (field pH 8.0); gradual smooth boundary. |
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Btg3
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74-125
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Light brownish gray (2.5Y6/2) clay; common fine distinct light olive brown (2.5Y5/4) common fine and medium distinct yellowish brown (10YR5/6) and few medium dark yellowish brown (10YR4/4) mottles; weak coarse subangular blocky structure; firm, sticky and plastic; moderately thick cutan along channels; few medium roots; distinct slickenside along ped faces; common soft manganese and iron concretion; moderately alkaline (field pH 8.0). |
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