ѵԢͧشԹѴ


͸ԺԹ
ͪشԹ  :  §ҹ  Chiang Khan (Ch)
 
 
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ͪ鹴Թ
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Ac
0-5
Brown to dark brown (7.5YR4/4) gravelly clay loam; weak fine and medium granular structure; friable, slightly sticky, slightly plastic; many fine and few medium roots; gravels composed of laterite and some quartz diameter 2-3 mm about 25-35% of soil matrix; medium acid (field pH 6.0); gradual, smooth boundary.
ABc
5-14
Strong brown (7.5YR4/6) very gravelly clay loam; weak to moderate fine and medium subangular blocky structure; friable, slightly sticky, slightly plastic; few medium and one large roots; gravels composed of pseudolaterite 40-60% of soil matrix; strongly acid (field pH 5.5); mostly gradual, smooth boundary.
Btc1
14-35
Yellowish red (5YR4/6) very gravelly clay; moderate fine and medium subangular blocky structure; firm, sticky, plastic; patchy thin clay coating on ped and gravel faces; common medium roots; gravels mostly composed of pseudolaterite about 40-60% of soil matrix; strongly acid (field pH 5.5) gradual, smooth boundary.
Btc2
35-71
Yellowish red (5YR4/6) gravelly clay; moderate fine and medium subangular blocky structure; firm, sticky, plastic; moderately thick clay coating on gravels faces; common medium roots; gravels composed of pseudolaterite and quartz; strongly acid (field pH 5.5); clear, smooth boundary.
Btc3
71-115+
Mixed, red (2.5YR5/8) strong brown (7.5YR5/8) yellowish brown (10YR7/6) gravelly clay; moderate medium subangular blocky structure; firm, sticky, plastic; moderate thick clay coating on ped faces; strongly acid (field pH 5.5).