ѵԢͧشԹѴ


͸ԺԹ
ͪشԹ  :  þ  Nakhon Phanom (Nn)
 
 
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ͪ鹴Թ
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͸Ժª鹴Թ
Ap
0-16
Light yellowish brown (10YR6/4) silty clay loam; common medium and coarse distinct reddish yellow (5YR6/8) mottles; moderate medium subangular blocky structure; firm, slightly sticky, slightly plastic; few very fine tubular pores; common very fine and fine roots; strongly acid (field pH 5.5); clear, smooth boundary.
Bt1
16-41
Light brownish gray (10YR6/2) and brown (10YR5/3) silty clay loam; many fine distinct yellowish red (5YR4/6) mottles; strong medium and coarse subangular blocky structure; firm, slightly sticky, slightly plastic; broken moderately thick clay coating on ped faces and in pores; common fine tubular and few fine interstitial pores; few fine roots; few soft iron-manganese concretions; strongly acid (field pH 5.5); gradual, smooth boundary.
Bt2
41-73
Light yellowish brown (10YR6/4) silty clay; common fine and medium prominent red (2.5YR4/6) mottles; strong fine and medium subangular blocky structure; firm, sticky, plastic; broken moderately thick clay coating on ped faces; many fine tubular pores, very few fine roots; strongly acid (field pH 5.5); gradual, smooth boundary.
Btg1
73-100
Light gray (10YR7/2) silty clay; many medium and coarse prominent red (2.5YR4/6) mottles; strong medium subangular blocky structure; firm, sticky, plastic; strongly acid (field pH 5.5); gradual, smooth boundary.
Btg2
100-180+
Light gray (10YR7/2) silty clay; many medium and coarse prominent yellowish red (5YR4/6) mottles; strong medium subangular blocky structure; firm, sticky, plastic; strongly acid (field pH 5.5).