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ª×èͪÑé¹´Ô¹ |
¤ÇÒÁÅÖ¡(«Á.) |
¤Ó͸ԺÒªÑé¹´Ô¹ |
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Ap
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0-13
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Light brownish gray (10YR6/2 dry), brown to dark brown (10YR4/3) sandy loam to sandy clay loam; many fine distinct strong brown (7.5YR5/6) mottles, partly along root channels; massive to weak medium subangular blocky structure; slightly hard, many very fine and fine roots; slightly acid (field pH 6.5); clear, smooth boundary. |
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A
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13-37
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Brown (10YR5/3 dry), dark brown (10YR3/3); sandy clay loam; many fine prominent strong brown (7.5YR5/6) mottles along root channels (less than above); massive; hard compact plough pan; one small termite nest, pockets with sand; common very fine roots; slightly acid (field pH 6.5); clear, smooth boundary. |
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Bt1
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37-80
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Brown (7.5YR5/4 and 10YR5/3) sandy clay loam; few fine discinct yellowish brown (10YR5/8) mottles mainly along root channels; weak medium subangular blocky structure; slightly firm, slightly sticky, slightly plastic; fine sand coatings in pores and on ped faces, patchy thin clay coatings mainly in pores but also on some ped faces; few soft small black manganese nodules; common very fine roots; moderately acid (field pH 6.0) gradual, smooth boundary. |
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Bt2
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80-110+
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Mixed yellowish brown (10YR5/6) and brown (10YR5/3) sandy clay loam; few fine discinct strong brown (7.5YR5/6) mottles; moderate to weak coarse subangular blocky structure; friable, slightly sticky, slightly plastic; thick continuous clay coatings in pores and broken thin on ped faces (grayish brown to brown (10YR5/2-3) in color); many small black soft manganese nodules; few very fine roots; slightly acid (field pH 6.5). |
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