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ͪشԹ  :  û  Nakhon Pathom (Np)
 
 
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Apg
0-20
Dark grayish brown (10YR4/2); clay loam, common fine discinct strong brown(7.5YR5/6) mottles along roots channels; weak medium to coarse subangular blocky structure; hard, firm, sticky, plastic; common fine to medium roots; neutral (field pH 7.0); clear, smooth boundary.
Btg1
20-59
Dark grayish brown (10YR4/2); clay, common fine discinct brown (7.5YR5/4) mottles; moderate medium to coarse subangular blocky structure; firm, sticky, plastic; patchy thin clay coatings on ped faces and in pores; few very fine roots; moderately alkaline (field pH 8.0); diffuse, smooth boundary.
Btg2
59-115
Dark brown (10YR4/3), clay, common fine discinct strong brown (7.5YR5/6) mottles; moderate coarse subangular blocky structure; firm, sticky, plastic; patchy thin clay coatings on ped faces and in pores; few lime nodules concretions; moderately alkaline (field pH 8.0); diffuse, smooth boundary.
Btg3
115-190
Dark brown (10YR4/3); clay, common fine to medium discinct strong brown (7.5YR5/6) mottles, moderate coarse subangular blocky structure; firm, sticky, plastic, patchy thin clay coatings on ped faces and in pores; common fine nodules concretion; moderately alkaline (field pH 8.0); clear, smooth boundary.
Cg1
190-240
Pinkish gray (7.5YR6/2); sandy clay loam; many medium discinct strong brown(7.5YR5/8) mottles; few iron, manganese nodules concretion and thick of sand layer; moderately alkaline (field pH 8.0).
Cg2
240-380
Light brownish gray (10YR6/2); clay with discernible sand, common medium discinct yellowish brown (10YR5/8) mottles; common iron-manganese nodules concretions; few lime concretion; thin sand layer; moderately alkaline (field pH 8.0).
Cg3
380-450
Brown to pale brown (10YR5-6/3); clay with discernible sand; few fine discinct brownish yellow (10YR6/8) mottles, few iron-manganese; concretion; moderately alkaline (field pH 8.0).