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ͪشԹ  :  §  Chiang Mai (Cm)
 
 
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Ap
0-15
Very pale brown (10YR7/3) dry, yellowish brown (10YR5/4) moist; loamy sand; weak medium and fine subangular blocky with some granular structure in the top 3 cm.; friable, nonsticky, nonplastic; abundant fine and very fine roots; medium acid (field pH 6.0); abrupt, wavy boundary.
C1
15-28
Pale brown (10YR6/3) dry, brown (10YR4/3) moist; sandy loam; many fine faint light gray (10YR7/2) and yellowish brown (10YR6/6) mottles; weak medium and coarse subangular blocky structure; friable, slightly sticky, nonplastic; many very fine roots; slightly acid (field pH 6.5); abrupt, wavy boundary.
C2
28-46
Brown (10YR4/3) fine sandy loam to silt loam; few faint reddish brown mottles; moderate medium and fine subangular blocky structure; friable, slightly sticky, slightly plastic; many small pieces of charcoals; many very fine roots; slightly acid (field pH 6.5); abrupt, wavy boundary.
C3
46-53
Yellowish brown (10YR5/6) sandy loam; common fine faint yellowish brown (10YR5/4) and few fine distinct brownish yellow (10YR6/8) mottles; weak medium subangular blocky structure; very friable, slightly sticky, nonplastic; few very fine roots; slightly acid (field pH 6.5); clear, smooth boundary.
C4
53-100+
Brown (7.5YR4/4) loamy coarse sand; few medium distinct gray (10YR6/2) mottles increase with depth; very weak medium subangular blocky structure; very friable, nonsticky, nonplastic; few very fine roots; slightly acid (field pH 6.5).