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Apg
0-10/12
Dark grayish brown (10YR4/2) sand loam; weak fine and medium subangular blocky structure; friable, slightly sticky and nonplastic; common interstitial pores; plentiful fine roots; slightly acid (field pH 6.5); clear wavy boundary.
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10/12-32
Light gray (10YR7/1) sand loam; few fine distinct strong brown (7.5YR5/8) mottles; moderate fine and medium subangular blocky structure; friable, slightly sticky and nonplastic; many fine interstitial pores; very few fine roots; neutral (field pH 7.0); clear smooth boundary.
Btg
32-54
Light brownish gray (10YR6/2) sandy clay loam; many medium distinct strong brown (7.5YR5/8) mottles; moderate medium subangular blocky structure; sticky and slightly plastic; continuous cutan along ped faces; many fine to medium interstitial pores; very few fine roots; very strongly acid (field pH 5.0); gradual smooth boundary.
Btgv
54-100
Light gray or gray (10YR6/1) clay loam; many medium distinct strong brown (7.5YR5/8) mottles, accompanying with plinthite of red (2.5YR4/8) that formed as constitutes of more than 50% of soil matrix; strong medium subangular blocky structure; firm, sticky and plastic; continuous cutan along ped faces; common medium interstitial and tubular pores; very strongly acid (field pH 5.0).