ѵԢͧشԹѴ


͸ԺԹ
ͪشԹ  :  оҹԹ  Taphan Hin (Tph)
 
 
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Ap
0-18
Dark reddish brown (5YR3/4) silt loam; weak fine and medium subangular blocky structure; soft, friable, slightly sticky, nonplastic; many fine and few medium roots; slightly acid (field pH 6.5); abrupt, smooth boundary.
Bt1
18-47
Reddish brown (5YR4/3) silty clay loam; weak fine and medium angular and subangular blocky structure; slightly hard, friable, slightly sticky, slightly plastic; broken moderately thick cutans on ped faces and in pores; few fine roots; neutral (field pH 7.0); gradual, smooth boundary.
Bt2
47-82
Reddish brown (5YR4/4) silty clay loam; weak to moderate medium prismatic breaking to moderate fine and medium subangular blocky structure; hard, friable, slightly sticky, slightly plastic; broken moderately thick cutans on ped faces and in pores; very few fine roots; few fine soft iron-manganese nodules; neutral (field pH 7.0); gradual, smooth boundary.
Bt3
82-116
Reddish brown (5YR4/4) silty clay loam; moderate medium and coarse subangular blocky structure; hard, friable, slightly sticky, slightly plastic; broken moderately thick cutans on ped faces and in pores; very few fine soft iron-manganese nodules; neutral (field pH 7.0); gradual, smooth boundary.
BC1
116-140
Reddish brown (5YR4/4) silt loam; few fine faint mottles of yellowish red (5YR4/6); weak fine subangular blocky structure; friable, slightly sticky, nonplastic; patchy thin cutans in pores; very few fine roots; neutral (field pH 7.0); gradual, smooth boundary.
BC2
140-160+
Reddish brown (5YR4/4) silt loam; many fine distinct mottles of strong brown (7.5YR5/6); weak fine and medium subangular blocky structure; friable, slightly sticky, nonplastic; very few fine roots; few small soft iron-manganese nodules; neutral (field pH 7.0).