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ͪشԹ  :  ú  Wichian Buri (Wb)
 
 
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֡(.)
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A1
0-8
Dark yellowish brown (10YR3/4) loamy sand; weak fine and medium subangular blocky structure; very friable, nonsticky, nonplastic; many very fine roots; neutral (field pH 7.0) clear, smooth boundary.
A2
8-15
Yellowish red (5YR4/6) loamy sand; weak to moderate fine and medium subangular blocky structure; very friable, nonsticky, nonplastic; many very fine roots; medium acid (field pH 6.0); clear, smooth boundary.
A3
15-25
Yellowish red (5YR4/6-8) loamy sand; weak to moderate medium subangular blocky structure; friable, nonsticky, nonplastic; many very fine roots; strongly acid (field pH 5.5); clear, smooth boundary.
A4
25-37
Yellowish red (5YR4/6) loamy sand; many fine to medium faint yellowish red mottles; weak medium subangular blocky structure; friable, nonsticky, nonplastic; common fine roots; very strongly acid (field pH 5.0); abrupt, smooth boundary.
2Bt1
37-57
Reddish brown (5YR5/3) sandy clay loam; many medium distinct yellowish red and red mottles; moderate coarse and medium subangular blocky structure; firm, sticky, plastic; clay coatings along root channels, few fine roots; very strongly acid (field pH 5.0) clear, smooth boundary.
2Bt2
57-90
Light brownish gray (10YR6/2) sandy clay; many many medium distinct strong brown mottles; moderate coarse subangular blocky structure; extremely firm, sticky, plastic; clay coatings on ped faces; few rock fragments of quartz and chert; some limestone nodules; very few fine roots; medium acid (field pH 5.0); clear, smooth boundary.
2BC
90-113
Light brownish gray (10YR6/2) sandy clay loam; many medium distinct strong brown mottles; moderate coarse subangular blocky structure; very firm, sticky, plastic; clay coatings along pores; increase in rock fragments; many fine limestone nodules; moderately alkaline (field pH 8.0); abrupt, smooth boundary.
2C
113+
Weathering calcareous sandstone with manganese nodules.