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ͪشԹ  :  ྪúó  Phetchabun (Pe)
 
 
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A
0-17
Brown to dark brown (7.5YR4/2) sandy loam; moderate fine and medium subangular blocky structure; extremely hard, friable, slightly sticky, slightly plastic; many very fine roots; mildly alkaline (field pH 7.5); clear, smooth boundary.
Bt1
17-37
Brown to dark brown (7.5YR4/4) sandy loam; weak coarse subangular blocky structure; extremely hard, friable, slightly sticky, slightly plastic; patchy thin cutans on ped faces; few very fine roots; very strongly acid (field pH 5.0); clear, smooth boundary.
Bt2
37-73
Yellowish red (5YR5/6) sandy clay loam; moderate medium and coarse subangular blocky structure; very hard, friable, sticky, plastic; broken moderately thick cutans on ped faces and in pores; few very fine roots; very strongly acid (field pH 5.0); clear, smooth boundary.
Bt3
73-93
Yellowish red (5YR4/6) sandy clay loam; common fine distinct mottles of brownish yellow (10YR6/6); moderate medium and coarse subangular blocky structure; hard, friable, sticky, plastic; broken moderately thick cutans on ped faces and in pores; very few very fine roots; very strongly acid (field pH 5.0); clear, smooth boundary.
Btc
93-150
Yellowish brown to light yellowish brown (10YR5-6/4) very gravelly sandy clay loam; weak fine and medium subangular blocky structure; hard, friable, sticky, slightly plastic; patchy thin cutans on ped faces and gravels. Gravels are mainly laterite and few quartz about 70-80%; neutral (field pH 7.0); clear, smooth boundary.
C
150-195
Yellowish brown (10YR5/4) gravels; gravels are mainly quartz few sandstones and laterite diameter up to 10 cm; mildly alkaline (field ph 7.5); clear, smooth boundary.
2C
195-220
Yellowish brown (10YR5/6) gravelly clay; many fine and medium distinct mottles of yellowish red (5YR5/8); mildly alkaline (field pH 7.5).