ѵԢͧشԹѴ


͸ԺԹ
ͪشԹ  :  ֡  Ao Luk (Ak)
 
 
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͸Ժª鹴Թ
Ap
0-11
Dark reddish brown (2.5YR3/4) clay; moderate fine and medium subangular blocky structure; firm, sticky and plastic; many fine and medium interstitial and common fine and very fine tubular pores; many fine roots; slightly acid (field pH 6.5); clear wavy boundary.
BA
11-18
Dark red (2.5YR3/6) clay; moderate fine and medium subangular blocky structure; firm, sticky and plastic; common fine cutan on roots holes; many fine and medium interstitial and common very fine and fine tubular pores; many fine and few large roots; slightly acid (field pH 6.5); diffuse wavy boundary.
Bt1
18-67
Dark red (10R3/6) clay; moderate fine and medium subangular blocky structure; firm, sticky and plastic; many cutan on ped faces and roots holes; many fine interstitial and common very fine and fine tubular pores; many fine roots; moderately acid (field pH 6.0); diffuse wavy boundary.
Bt2
67-100
Dark red (10R3/6) clay; moderate fine and medium subangular blocky structure; firm, sticky and plastic; common cutan on roots holes and ped faces; many fine interstitial and many fine tubular pores; very few fine roots; strongly acid (field pH 5.5); diffuse wavy boundary.