ѵԢͧشԹѴ


͸ԺԹ
ͪشԹ  :    Sa Keao (Ska)
 
 
ԡ͢ٻ
ͪ鹴Թ
֡(.)
͸Ժª鹴Թ
A
0-7
Brown to dark brown (7.5YR4/4) sandy loam; moderate medium subangular blocky structure; very friable, nonsticky, nonplastic; many fine roots; few fine and medium ironstones; medium acid (field pH 6.0); clear, smooth boundary.
BA
7-32
Strong brown (7.5YR5/8) sandy loam; moderate medium subangular blocky structure; friable, slightly sticky, nonplastic; many fine and common medium roots; common fine and few medium ironstones; medium acid (field pH 6.0); gradual, smooth boundary.
Btc1
32-75
Yellowish red (5YR5/8) very gravelly sandy clay loam; friable, slightly sticky, nonplastic; many fine and common medium roots; many medium and few fine ironstones; strongly acid, (field pH 5.5); gradual, smooth boundary.
Btc2
75-120
Yellowish red (5YR5/8) very gravelly sandy clay loam; strong medium subangular blocky structure; 80% ironstones; very strongly acid (field pH 5.0); gradual, smooth boundary.
Btc3
120-150
Reddish yellow (7.5YR6/6) and red (2.5YR4/8) very gravelly sandy loam; moderate medium subangular blocky structure; friable, slightly sticky, slightly plastic; patchy thin clay bridge holding sand grains together; 80% ironstones and few fine and medium quartz fragments; very strongly acid (field pH 5.0); clear, smooth boundary.
2Bt1
150-170
Light gray (10YR7/1) gravelly clay; many coarse prominent red (10R4/8) mottles; strong coarse subangular blocky structure; very firm, very sticky, plastic; broken moderately thick clay coating on ped faces; 80% ironstones and 20% quartz fragments; very strongly acid (field pH 5.0).
2Bt2
170-180
Light gray (10YR7/1) clay; many coarse distinct reddish yellow (7.5YR6/6) and few fine yellowish red (5YR5/8) mottles; strong coarse subangular blocky structure; very firm, very sticky, plastic; broken moderately thick clay coating on ped faces; few ironstone and quartz fragments; very strongly acid (field pH 5.0).