ѵԢͧشԹѴ


͸ԺԹ
ͪشԹ  :  ҡ  Pak Tho (Pth)
 
 
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͸Ժª鹴Թ
Apg1
0-15
Pinkish gray (7.5YR6/2) sandy clay loam; many medium distinct strong brown (7.5YR5/8) mottles; weak coarse subangular blocky structure; slightly firm, sticky, plastic; very few iron nodules; common medium and few very fine roots; moderately acid (field pH 6.0); clear, smooth boundary.
Apg2
15-26
Pinkish gray (7.5YR6/2) clay loam; many medium and fine distinct strong brown (7.5YR5/6) mottles; very weak coarse subangular blocky structure to massive; firm, sticky, plastic; pale colored sandy inclusions in places; few irregular iron nodules; few fine and very fine roots; moderately acid (field pH 6.0); clear, slightly wavy boundary.
ABg
26-35
Light brown (7.5YR6/4) clay loam; many medium distinct strong brown(7.5YR5/8) and common medium prominent red (10R4/8) mottles; moderate medium subangular blocky structure; friable, sticky, plastic; few small and large hard iron nodules; few very fine roots; very strongly acid (field pH 5.0); clear, slightly wavy boundary.
Btg1
35-43
Pinkish gray (5YR7/2) clay with sand fraction; many medium prominent red (2.5YR4/8) and common medium distinct reddish yellow (7.5YR6/8) mottles; weak coarse subangular blocky structure; friable, sticky, plastic; patchy clay coatings on ped faces and in pores; many coarse iron nodules and few coarse manganese nodules (50-60% of soil mass); few very fine roots; very strongly acid (field pH 5.0); gradual, smooth boundary.
Btg2
43-100
Light gray (10YR7/2) clay with sand fraction; common fine and medium prominent red (10R4/8) mottles; moderate medium and coarse breaking to strong fine angular blocky structure; slightly firm, sticky, plastic; many pressure faces; patchy clay coatings on ped faces and in pores; few fine subrounded iron nodules; very few very fine roots; very strongly acid (field pH 4.5-5.0); gradual, smooth boundary.
Btg3
100-120
Light gray (10YR7/2) clay with sand fraction; common fine and medium prominent (2.5YR4/8) red and common fine distinct strong brown (7.5YR5/6) mottles; moderate medium and coarse subangular blocky breaking to strong fine angular blocky structure; slightly firm, sticky, plastic; patchy clay coatings on ped faces and in pores; few very fine subrounded iron nodules; very few very fine roots; very strongly acid (field pH 4.5).