ѵԢͧشԹѴ


͸ԺԹ
ͪشԹ  :  ͧѡ  Ongkharak (Ok)
 
 
ԡ͢ٻ
ͪ鹴Թ
֡(.)
͸Ժª鹴Թ
Apg
0-14
Dark grayish brown (10YR3-4/2) clay; common fine prominent yellowish red (5YR5/8) mottles along root channels; weak medium and coarse subangular blocky structure; extremely hard, very firm, very sticky, very plastic; many fine roots; extremely acid (field pH 4.0); abrupt, smooth boundary.
BAg
14-30
Grayish brown (10YR5/2) clay; many medium to coarse prominent red(10R4/6) and common fine distinct strong brown (7.5YR5/6) mottles; weak medium subangular blocky structure to massive; firm, very sticky, very plastic; common fine roots; patchy organic matter coatings; very strongly acid (field pH 4.5); clear, smooth boundary.
Bssjg
30-60
Grayish brown (10YR5/2) clay; many medium and coarse distinct strong brown (7.5YR5/8) and common medium prominent red (10R4/8) mottles; common fine streaks of jarosite, yellow (2.5YR8/6) at the upper part and few at the lower part of the horizon; massive; very sticky, very plastic; few fine roots; patchy organic matter coatings; distinct slickensides; extremely acid(field pH 4.0); diffuse, smooth boundary.
Bjg
60-115
Brown (7.5YR5/2) clay; many medium distinct strong brown (7.5YR5/8) and few fine prominent red (10 R4/8) mottles (streaks); many medium streaks of jarosite, yellow (2.5Y8/6); massive; very sticky, very plastic; few fine roots; extremely acid (field pH4.0); clear, smooth boundary.
BCg
115-165
Brown (7.5YR5/2) clay; few fine discinct yellowish brown (10YR5/4) mottles; few fine jarosite mottles (in places); massive; very sticky, very plastic; few fine decayed roots and other plant residues; extremely acid (field pH 4.0); clear, smooth boundary.
Cg1
165-195
Gray (10YR5/1) nearly ripe clay; few decayed plant residues; very strongly acid (field pH 4.5).
Cg2
195-360
Gray to dark gray (5Y4-5/1) unripe clay; few decayed plant residues; neutral (field pH 7.0).