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ͪشԹ  :  ʹ  Phu Sana (Ps)
 
 
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͸Ժª鹴Թ
A
0-5
Very dark grayish brown (10YR3/2) loamy coarse sand; weak coarse subangular blocky with some granular structure at the uppermost; slightly hard, friable, nonsticky, nonplastic; common fine and medium roots; coarse fraction consists of about 3-5% angular and subangular quartz fragments (2-4 mm in diameter); slightly acid (field pH 6.5); abrupt, smooth boundary.
AB
5-16
Strong brown (7.5YR5/6) gravelly loamy coarse sand; weak coarse subangular blocky structure; slightly hard, friable, nonsticky, nonplastic; few fine animal holes; common fine and medium roots; gravels consist of 2-4 mm in diameter of angular and subangular quartz fragment; medium acid (field pH 6.0); clear, smooth boundary.
Bt
16-24/30
Yellowish red (5YR4/8) and dark red (2.5YR3/6) very gravelly sandy clay loam (20-30% quartz fragments); moderate coarse and medium subangular blocky structure; slightly firm, sticky, slightly plastic; broken moderately thick clay coatings on ped faces and thick continuous clay coatings in pores, few fine and medium roots; medium acid (field pH 6.0); clear, wavy boundary.
C1
24/30-100
White (5Y8/2) and red (10R4/6) gravelly clay (20-30% gravels); massive; firm, sticky, slightly plastic; common fine, medium and few coarse roots; medium acid (field pH 6.0); gradual, smooth boundary.
C2
100-150+
White (5Y8/2) and red (10R4/6) very gravelly clay (40-50% angular quartz fragments); massive; firm, sticky, slightly plastic; very few very fine roots; medium acid (field pH 6.0).