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ͪشԹ  :    Khao Yoi (Kyo)
 
 
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Btg2
58-83
Light brown (7.5YR6/4) sandy clay loam; many fine distinct strong brown and few fine prominent red (2.5YR4/8) mottles; moderate medium and coarse subangular blocky structure; friable, sticky, plastic; patchy thin clay coatings on ped faces; very few small hard Fe&Mn concretions; very few very fine roots; slightly acid (field pH 6.5); clear, smooth boundary.
Btg1
27/39-58
Pinkish gray (7.5YR6/2) sandy clay loam; common fine and medium distinct strong brown mottles; moderate medium and coarse subangular blocky structure; friable, slightly sticky, slightly plastic; patchy thin clay coatings on ped faces; very few small hard iron concretions; thin layer (8 cm thick) of small hard iron concretions at lower part of this horizon; few earthworms; few very fine roots; slightly acid (field pH 6.5); clear, smooth boundary.
Bg
13-27/39
Pinkish gray (7.5YR6/2) sandy clay loam; common fine distinct brown mottles; moderate medium and coarse subangular blocky structure; friable, slightly sticky, slightly plastic; very few small soft Fe&Mn nodules; few earthworms; common very fine roots; slightly acid (field pH 6.5); clear, wavy boundary.
Apg
0-13
Pinkish gray (7.5YR6/2) sandy loam; many fine distinct strong brown mottles; weak medium and coarse subangular blocky structure; soft, friable, slightly sticky, slightly plastic; many very fine and fine roots; moderately acid (field pH 6.0); clear, smooth boundary.
Cg2
280-300
Light gray (10YR7/2) clay with discernable sand fractions; many medium distinct strong brown mottles; neutral (field pH 7.0).
Cg1
180-280
Pinkish gray (7.5YR6/2) sandy clay; many medium distinct strong brown mottles; few small of soft black Mn nodules (about 10% by volume); neutral (field pH 7.0).
BCg
130/140-180
Pinkish gray (7.5YR6/2) sandy clay loam; many medium distinct strong brown mottles; moderate medium subangular blocky structure; firm, sticky, plastic; neutral (field pH 7.0).
Bcg
118-130/140
Light brown (7.5YR6/4) very gravelly sandy clay loam; many fine distinct strong brown mottles; moderate medium subangular blocky structure; firm, sticky, plastic; many large of irregular Fe&Mn concretions (about 40% by volume) slightly acid (field pH 6.5); clear, wavy boundary.
Btg3
83-118
Light brown (7.5YR6/4) sandy clay loam; many fine distinct strong brown mottles; moderate medium and coarse subangular blocky structure; firm, sticky, plastic; patchy clay coatings on ped faces; very few small hard Fe&Mn concretions; slightly acid (field pH 6.5); clear, smooth boundary.