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ͪشԹ  :    Sadao (Sd)
 
 
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͸Ժª鹴Թ
A
0-10
Dark brown to brown (7.5YR4/4) sandy loam; moderate fine to medium subangular blocky structure; friable, nonsticky and nonplastic; many fine roots, very strongly acid (field pH 4.5); clear smooth boundary.
AB
10-22
Reddish brown to yellowish red (5YR4/4-6) sandy loam; weak to moderate medium to coarse subangular blocky structure; friable, nonsticky and nonplastic; many interstitial and few fine to medium tubular pores; many fine roots, very strongly acid (field pH 4.5); clear smooth boundary.
Bt1
22-44
Yellowish red to red (5-2.5YR5/6) sandy loam; weak to moderate medium and coarse subangular blocky structure; slightly firm, slightly sticky and nonplastic; few thin cutan in pores; many very fine to fine interstitial and common fine tubular pores; many fine and few medium roots, very strongly acid (field pH 4.5); diffuse smooth boundary.
Bt2
44-80
Red (2.5YR5/6) sandy loam; weak to moderate coarse subangular blocky structure; friable, slightly sticky and nonplastic; common thin cutan on ped faces; many very fine interstitial and common fine tubular pores; many fine roots; extremely acid (field pH 4.0); clear wavy boundary.
Bt3
80-100+
Red (2.5YR4-5/6) sandy clay loam; weak to moderate coarse subangular blocky structure; friable, slightly sticky and slightly plastic; common thin cutan on ped face and in pores; many very fine interstitial and common fine tubular pores; few fine roots, extremely acid (field pH 4.0).