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Ag1
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0-12/15
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Dark grayish brown (10YR4/2) fine sandy loam; rusty strong brown (7.5YR5/6) mottles along roots zone; weak fine and medium subangular blocky structure; very friable, slightly sticky and slightly plastic; many very fine interstitial and common very fine tubular pores; abundant very fine roots; very strongly acid (field pH 5.0); clear wavy boundary. |
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Ag2
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12/15-25
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Grayish brown (10YR5/2) slightly gravelly sandy loam; common fine distinct yellowish brown (10YR5/6) mottles; weak fine and medium subangular blocky structure; very friable, slightly sticky and slightly plastic; no cutan; many very fine and few medium roots; very strongly acid (field pH 5.0); clear smooth boundary. |
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Btcgv
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25-60
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Yellowish brown (10YR5/8) very gravelly clay loam; common medium prominent red (2.5YR4/6) mottles; moderate fine and medium subangular blocky structure; friable, sticky and slightly plastic; common patchy thin cutan on ped faces; common very fine tubular pores; very few very fine roots; gravels composed of ironstone more than 35% by volume of the soil matrix; very strongly acid (field pH 4.5); clear smooth boundary. |
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Btgv
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60-150
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Light gray to white (10YR7-8/1) clay; medium distinct yellowish brown (10YR5/8) and many coarse prominent red (2.5YR4/8) mottled; moderate to strong medium angular blocky structure; extremely hard, firm, sticky and plastic; moderately thick discontinuous cutan on ped faces; few tubular pores; no roots; plinthite more than 50% by volume of the soil matrix; very strongly acid (field pH 4.5). |
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