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ͪشԹ  :  ҧ͹  Dong Yang En (Don)
 
 
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A1
0-10
Very dark grayish brown to dark brown (10YR3/2-3) silt loam; moderate fine and medium subangular blocky structure; friable, sticky, plastic; common very fine and fine roots; medium acid (field pH 6.0) clear, smooth boundary.
AB
10-23
Brown to dark yellowish brown (10YR4/3-3/4) silt loam; moderate fine and medium subangular blocky structure; friable, sticky, plastic; common fine and medium roots; very strongly acid (field pH 5.0) clear, smooth boundary.
BA
23-46
Brown to dark brown (7.5YR4/4) silt loam; moderate medium subangular blocky structure; friable, sticky, plastic; common fine, medium and one coarse roots; very few small black spots and soft Mn nodules; very strongly acid (field pH 4.5); clear, smooth boundary.
Bt1
46-67
Reddish brown (5YR4/4) silty clay loam; moderate strong fine and medium subangular blocky structure; friable, sticky, plastic; patchy thin cutan, very few small (+3 mm. in diameter) spherical soft and hard, red and black, Fe-Mn nodules; few fine and medium roots; very strongly acid (field pH 4.5); gradual, smooth boundary.
Bt2
67-100+
Reddish brown (5YR5/4); silty clay loam; common fine distinct strong brown (7.5YR5/6) mottles; moderate strong fine and medium subangular blocky structure; slightly firm and firm in fine aggregates, sticky, plastic; broken thin cutans probably of clay mineral and sesquic oxides; few small (1 cm in diameter) irregular soft black Mn nodules; few fine roots; very strongly acid (field pH 4.5).