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ͪشԹ  :  صôԵ  Uttaradit (Utt)
 
 
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Ap
0-11
Brown (10YR5/3) silty clay loam; common medium distinct yellowish red (5YR4/6) and common fine distinct strong brown (7.5YR5/6) mottles; weak fine to coarse subangular blocky structure; hard, friable, very sticky, very plastic; few fine roots; very strongly acid (field pH 4.5); clear, smooth boundary.
AB
11-30
Grayish brown to brown (10-7.5YR5/2) silty clay loam; many fine distinct dark brown (7.5YR4/4-3) and common fine distinct yellowish red (5YR5/6) mottles; weak fine to coarse subangular blocky structure; very hard, firm, very sticky, very plastic; few fine roots; medium acid (field pH 6.0); clear, smooth boundary.
Bt1
30-58
Reddish brown (5YR4/4) clay; strong medium and coarse subangular blocky structure; very hard, firm, very sticky, very plastic; broken moderately thick clay coatings along pores and broken thin clay coatings on ped faces; very few fine roots; few Fe/Mn nodules; medium acid (field pH 6.0); gradual, smooth boundary.
Bt2
58-89
Reddish brown (5YR4/3) silty clay; few fine faint yellowish red (5YR4/6) mottles; strong medium and coarse subangular blocky structure; hard firm, very sticky, very plastic; broken moderately thick clay coatings along pores and on ped faces; few Fe/Mn nodules; moderately alkaline (field pH 8.0); gradual, smooth boundary.
Bt3
89-144
Reddish brown (5YR4/3) silty clay; few fine faint yellowish red (5YR4/6) mottles; weak fine to coarse subangular blocky structure; hard, firm, very sticky, very plastic; broken moderately thick clay coatings along pores and on ped faces; very few Fe/Mn nodules; moderately alkaline (field pH 8.0), gradual, smooth boundary.
Bt4
144-180
Reddish brown (5YR4/4) silty clay; common fine faint yellowish red (5YR4/6) mottles; weak fine and medium subangular blocky structure; firm, sticky, plastic; broken moderately thick clay coatings along pores and patchy thin on ped faces; very few Fe/Mn nodules; moderately alkaline (field pH 8.0).