ѵԢͧشԹѴ


͸ԺԹ
ͪشԹ  :  ˭  Ko Yai (Koy)
 
 
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ͪ鹴Թ
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Apg
0-19
Very dark grayish brown (10YR3/2) silt loam; moderate fine and medium subangular blocky structure; friable, nonsticky and slightly plastic; common fine and medium tubular and vesicular pores; plentiful fine and few coarse roots; strongly acid (field pH 5.5); clear wavy boundary.
Bg1
19-40
Light gray (10YR7/2) silt; many brown (7.5YR5/2) band about 2 to 3 cm in thickness; weak medium subangular blocky structure; friable, nonsticky and nonplastic; many very fine tubular pores; plentiful fine and few coarse roots; moderately acid (field pH 6.0); clear wavy boundary.
Bg2
40-65
Light gray (10YR7/2) silt; few fine distinct yellowish brown (10YR5/6) mottles; many brown (7.5YR5/2) band of 2 to 3 cm in thickness; weak medium subangular blocky structure; firm, nonsticky and nonplastic; common very fine tubular pores; plentiful fine and few coarse roots; moderately acid (field pH 6.0); clear wavy boundary.
Bg3
65-100
Light gray to very pale brown (10YR7/2-3) silt; many fine distinct yellowish brown (10YR5/6) and strong brown (7.5YR5/6) mottles; weak medium subangular blocky structure; firm, nonsticky and nonplastic; strongly acid (field pH 5.5).