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Apg
0-10
Dark grayish brown (10YR4/2) clay loam; few iron mottles coating along roots channels; moderate medium subangular blocky structure; slightly hard, slightly sticky and slightly plastic; common medium tubular and few medium interstitial pores; many fine and medium roots; very strongly acid (field pH 5.0); clear wavy boundary.
Bg
10-26
Light gray to gray (10YR6/1) clay; many fine prominent yellowish red (5YR5/6) mottles along roots channels; moderate medium and coarse subangular blocky structure; hard, sticky and plastic; black possible humus coating on ped faces and along cracks; few fine tubular and common medium interstitial pores; many fine roots; very strongly acid (field pH 4.5); gradual smooth boundary.
Btg
26-42
Grayish brown (10YR5/2) clay; common medium prominent yellowish red (5YR4/6) and distinct strong brown (7.5YR5/8) mottles; strong medium and coarse subangular blocky structure; very hard, sticky and plastic; common patchy thin cutan on ped faces; few fine tubular pores, common fine and medium interstitial pores; common very fine roots; very strongly acid (field pH 4.5); clear smooth boundary.
Btgv1
42-65
Gray (10YR5/1) clay; many medium and coarse prominent dark red (10R3/6) and strong brown (7.5YR5/6) mottles; moderate fine and medium subangular blocky structure; sticky and plastic; many patchy moderately thick cutan on ped faces; Plinthite (10YR3/6, red) > 50% by volume of the soil matrix or continuous phase; few fine tubular and common fine interstitial pores; few fine roots; very strongly acid (field pH 4.5); clear smooth boundary.
Btgv2
65+
Gray (10YR5/1) clay; many medium and coarse prominent dark red (10R3/6) mottles; moderate fine and medium subangular blocky structure; sticky and plastic; many patchy moderately thick cutan on ped faces; Plinthite (10YR3/6, red) > 50% by volume of the soil matrix or continuous phase; few medium tubular and common fine interstitial pores; very strongly acid (field pH 4.5).