ѵԢͧشԹѴ


͸ԺԹ
ͪشԹ  :  ҡ  Pak Chan (Pac)
 
 
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ͪ鹴Թ
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͸Ժª鹴Թ
A
0-9
Very dark grayish brown (10YR3/2) and dark yellowish brown (10YR4/4) clay loam; moderate fine and medium subangular blocky structure; friable, sticky and plastic; common interstitial and tubular pores; common fine roots; moderately acid (field pH 6.0); gradual smooth boundary.
Bw
9-22
Strong brown (7.5YR5/6-8) clay; moderate medium subangular blocky structure; firm, sticky and plastic; patchy thin cutan in animal holes; common interstitial and many tubular pores; common fine roots; very strongly acid (field pH 5.0); diffuse smooth boundary.
Bt1
22-42
Strong brown (7.5YR5/6-8) and yellowish red (5YR5/8) clay; moderate medium subangular blocky structure; firm, sticky and plastic; patchy thin cutan on ped faces and in animal holes; many interstitial and tubular pores; few fine roots; very strongly acid (field pH 5.0); diffuse smooth boundary.
Bt2
42-75
Mixed yellowish red (5YR5/6) and strong brown (7.5YR5/6) clay; moderate medium subangular blocky structure; friable, sticky and plastic; common patchy thin cutan on ped faces and in animal holes; many interstitial and tubular pores; few fine roots; very strongly acid (field pH 5.0); diffuse smooth boundary.
Bt3
75-105
Mixed yellowish red (5YR5/6) and few brownish yellow (10YR6/6) clay; moderate fine and medium subangular blocky structure; friable, sticky and plastic; patchy thin cutan on ped faces and in animal holes; many interstitial and tubular pores; few fine roots; very strongly acid (field pH 5.0).