ѵԢͧشԹѴ


͸ԺԹ
ͪشԹ  :  ҷ͹  Na Thon (Ntn)
 
 
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ͪ鹴Թ
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͸Ժª鹴Թ
Ap
0-10
Yellowish brown (10YR5/4) loam; weak medium and coarse subangular blocky structure; friable, slightly sticky, and slightly plastic; common fine and very fine interstitial pores, few fine and very fine tubular pores; plentiful fine and medium roots; moderately acid (field pH 6.0); clear smooth boundary.
Bt1
10-17
Brown to strong brown (7.5YR5/4-6) clay loam; weak to moderate medium and coarse subangular blocky structure; friable, slightly sticky and slightly plastic; many moderately thick clay films on ped faces; common fine and very fine interstitial pores, few fine tubular pores; few fine and medium roots; strongly acid (field pH 5.5); gradual smooth boundary.
Bt2
17-40
Mixed brownish yellow (10YR5/6) yellowish red (5YR5/8) and red (2.5YR4/6) clay; moderate medium and coarse subangular blocky structure; slightly firm, sticky and plastic; many moderately thick clay films on ped faces; few fine and medium roots; very strongly acid (field pH 5.0); diffuse smooth boundary.
Bt3
40-87
Mixed brownish yellow (10YR6/6) and yellowish red (5YR5/8) clay; moderate fine and medium subangular blocky structure; friable, sticky and plastic; many moderately thick clay films on ped faces; common fine and very fine interstitial pores, few very fine tubular pores; few fine roots; very strongly acid (field pH 4.5); clear smooth boundary.
Cr
87-110
Mixed light yellowish brown to brownish yellow (10YR6/4-6) and red (2.5YR4/6) clay with shale fraction; structureless; friable, slightly sticky and plastic; the layer of weathered shale; very strongly acid (field pH 4.5).