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ͪشԹ  :    Mae Sai (Ms)
 
 
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Ap
0-17
Grayish brown (10YR5/2) silty clay loam; common fine distinct mottles of yellowish red (5YR5/6) along root zone; moderate medium and coarse subangular blocky structure; hard, friable, sticky, plastic; many very fine roots; slightly acid (field pH 6.5); clear, smooth boundary.
Bt1
17-49
Brown (7.5YR5/2) silty clay loam; common fine and medium distinct mottles of yellowish brown (10YR5/4); strong coarse prismatic breaking into moderate medium and coarse subangular blocky structure; hark, firm, sticky, plastic; broken moderately thick cutans on ped faces and in pores; few very fine roots; common fine soft manganese oxide nodules; moderately alkaline (field pH 8.0); gradual, smooth boundary.
Bt2
49-94
Brown (7.5YR5/4) coated by brown (7.5YR5/2) silty clay loam; strong medium and coarse subangular blocky structure; firm, sticky, plastic; continuous thick cutans on ped faces and in pores; few very fine and fine roots; common fine black spots of Mn02; mildly alkaline (field pH 7.5); gradual, smooth boundary.
Bt3
94-134
Brown (7.5YR5/4) coated by reddish gray (5YR6/2) silty clay loam; moderate medium and coarse prismatic breaking into strong medium and coarse subangular blocky structure; firm, sticky, plastic; continuous thick cutans on ped faces and in pores; few very fine roots; common fine black spots of Mn02; mildly alkaline (field pH 7.5); gradual, smooth boundary.
Bt4
134-180+
Brown (7.5YR5/4) coated by reddish gray (5YR5/2) silty clay; common fine to medium prominent red (2.5YR5/8), few fine distinct dark yellowish brown (10YR4/8) and common fine distinct yellowish red (5YR5/6) mottles; strong medium and coarse subangular blocky structure; firm; very sticky, plastic; continuous thick cutans on ped faces and pores; few very fine roots; common fine black spots of Mn02; few fine and medium brick fragments; mildly alkaline (field pH 7.5).