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ͪشԹ  :    Huai Pong (Hp)
 
 
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Ap
0-17
Very dark grayish brown (10YR3/2) sandy loam; moderate medium subangular blocky structure; firm, slightly sticky and nonplastic; common fine interstitial pores; many fine and common medium roots; few pieces of charcoal; very strongly acid (field pH 4.5); clear smooth boundary.
BA
17-40
Brown (10YR5/3) sandy clay with few fine quartz fragment; few to common fine strong brown (7.5YR5/6) mottles; moderate medium to coarse subangular blocky structure; firm, sticky and slightly plastic; common fine interstitial pores; common fine roots; very strongly acid (field pH 4.5); clear smooth boundary.
Bt1
40-68
Light yellowish brown (10YR6/4) gravelly clay with sand fraction; moderate fine and medium subangular blocky structure; firm, sticky and slightly plastic; thin clay coating on ped faces and in pores; common fine interstitial pores; gravels composed of granite and quartz coated by cementing agent; very strongly acid (field pH 5.0); clear smooth boundary.
Bt2
68-75+
Mixed Light yellowish brown (10YR6/4) strong brown (7.52YR5/6) and red (2.5YR4/8) gravelly clay with sand fraction; moderate fine and medium subangular blocky structure; firm, sticky and slightly plastic; thin clay coating on ped faces; common fine interstitial pores; gravels composed of medium granite and quartz coated by cementing agent with few to common fine and medium rounded and subrounded ironstone; very strongly acid (field pH 5.0).