ѵԢͧشԹѴ


͸ԺԹ
ͪشԹ  :  ҡ  Pak Khom (Pkm)
 
 
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ͪ鹴Թ
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͸Ժª鹴Թ
Ap
0-11
Dark brown to brown (10YR4/3) sandy loam; weak fine subangular blocky structure; friable, slightly sticky and nonplastic; few fine interstitial pores; few fine roots; moderately acid (field pH 6.0); clear smooth boundary.
BA
11-20
Yellowish brown (10YR5/4) sandy clay loam; common medium distinct strong brown (7.5YR5/8) mottles; moderate fine and medium subangular blocky structure; firm, sticky and slightly plastic; few fine and medium interstitial pores; few fine and medium roots; some krotovina activities; strongly acid (field pH 5.5); clear smooth boundary.
Bt
20-40
Yellowish brown (10YR5/4) clay loam; moderate to strong medium and coarse subangular blocky structure; very firm, sticky slightly plastic; many moderately thick cutan on ped faces; few fine and medium interstitial pores; few fine roots; some krotovina activities; strongly acid (field pH 5.5); clear smooth boundary.
Btg
40-70
Light gray (10YR7/2) and strong brown (7.5YR5/8) clay loam; few fine prominent red (2.5YR4/8) mottles; strong fine and medium subangular blocky structure; very firm, sticky and plastic; many moderately thick cutan on ped faces; few fine interstitial pores; few fine roots; some krotovina activities; very strongly acid (field pH 5.0); gradual smooth boundary.
Btgv1
70-130
Light gray (10YR7/1-2) clay; many coarse prominent red (10YR4/8, plinthite) mottles; strong fine and medium subangular blocky structure; very firm, sticky and plastic; many moderately thick cutan on ped faces; few fine interstitial pores; few fine roots; very strongly acid (field pH 4.5).
Btgv2
130-150
Light gray (10YR7/1) clay; many coarse prominent red (10YR4/8, plinthite) mottles; very strongly acid (field pH 4.5). sampling by auger.