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ͪشԹ  :  շ  Si Thon (St)
 
 
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Ap
0-14
Pale brown (10YR6/3) fine sandy loam; common fine, medium and few coarse distinct reddish yellow (7.5YR6/8) mottles; moderate fine and medium subangular blocky structures; friable, slightly sticky, nonplastic; many fine interstitial and few medium tubular pores; many fine roots; strongly acid (field pH 5.5); clear, smooth boundary.
AB
14-27
Brown (10YR5/3) silty loam; many fine faint dark yellowish brown (10YR4/4) mottles; moderate fine and medium subangular blocky structure; friable, nonsticky, nonplastic; many fine interstitial and tubular pores; many fine sand extend along horizon can be observed; strongly acid (field pH 5.5); clear, smooth boundary
Bw1
27-47
Grayish brown (10YR5/2) loam; many fine faint dark brown to brown (7.5YR4/4) mottles; slightly strong fine and medium subangular blocky structure; friable, nonsticky, slightly plastic; many fine interstitial and few medium tubular pores; few fine roots; strongly acid (field pH 5.5); clear, smooth boundary.
Bw2
47-60
Grayish brown (10YR5/2) sandy loam; common fine distinct dark brown to brown (7.5YR4/4) mottles; slightly strong fine and medium subangular blocky structures; friable, slightly sticky, slightly plastic; many fine interstitial, many medium and coarse tubular pores; few fine roots; thin clay film coating along holes; medium acid (field pH 6.0) clear, smooth boundary.
C1
60-82
Very pale brown (10YR7/4) sandy loam; common coarse faint yellowish brown (10YR5/8) mottles, weak fine and medium subangular blocky structures; friable, slightly sticky, nonplastic; many fine interstitial pores; common medium and coarse iron-manganese concretions; medium acid (field pH 6.0); gradual, smooth boundary.
C2
82-100
Very pale brown (10YR7/4) sandy loam; common fine and medium faint yellowish brown (10YR5/6) mottles; weak fine subangular blocky structures; friable, nonsticky, nonplastic; many fine interstitial and tubular pores; strongly acid (field pH 5.5).