ѵԢͧشԹѴ


͸ԺԹ
ͪشԹ  :  ⤡  Khok Krathiam (Kk)
 
 
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ͪ鹴Թ
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͸Ժª鹴Թ
Apg1
0-2
Black (10YR2/1) clay; many very fine strong brown mottles along root channels; strong coarse granular; loose hard aggregates; many fine and very fine roots; slightly acid (field pH 6.5); abrupt, wavy boundary.
Apg2
2-15
Black (10YR2/1) clay; many prominent strong brown (7.5YR5/6) and yellowish red (5YR5/6) mottles, fine along root channels and medium along ped faces; moderate coarse angular blocky structure; many fine and common medium sized slickensides and common pressure faces; few very fine tubular pores; few snail shell fragments; some small pieces of brick; common very fine and few fine roots; neutral (field pH 7.0); gradual, smooth boundary.
Bssg1
15-40
Very dark gray (10YR3/1) clay; many medium distinct dark yellowish brown (10YR4/4) mottles and some inclusions of the Ap horizon; moderate coarse angular blocky breaking to fine angular blocky structure; friable; many medium slickensides and many pressure faces; common fine and few coarse roots; moderately alkaline (field pH 8.0); gradual, wavy boundary.
Bssg2
40-105
Dark gray (10YR4/1) clay; with few black inclusions of the Ap horizon and many medium distinct light olive brown (2.5Y5/4) mottles (60% of soil mass) and few fine prominent yellowish red (5YR5/6) mottles along root channels; moderate to weak medium angular blocky structure; slightly firm; common big slickensides and common pressure faces; few fine roots; mildly alkaline (field pH 7.5); gradual, slightly wavy boundary.
Bssg3
105-200
Gray (5Y6/1) clay; many medium distinct light olive brown (2.5Y5/4 60% of soil mass) and few fine prominent yellowish brown (10YR5/6) mottles; moderate to weak medium angular blocky structure; slightly firm, slightly plastic and very sticky; common slickensides and pressure faces; common very fine roots; few coarse lime nodules; few hard black manganese nodules.
Bssg4
200-280
Gray (10YR6/1) clay; common medium distinct light olive brown (2.5Y5/4) and few fine distinct yellowish brown (10YR5/6) mottles; slightly firm, very plastic and very sticky; common slickensides and pressure faces; very few lime nodules and very few manganese nodules.
BCg
280-400
Light gray (5Y7/1) clay; many fine and medium prominent yellowish brown (10YR5/6) mottles (50% of soil mass); many lime nodules which can be crushed by fingers (30% of soil mass) some coarse black manganese nodules.