Nebraska Soils Field Trip - Virginia Tech
Nebraska Soils Field Trip - Virginia Tech
Nebraska Soils Field Trip - Virginia Tech
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4th IUSS Soil Classification Conference <strong>Field</strong> Tour Guidebook<br />
Profile Description:<br />
Ap--0 to 14 centimeters; black (10YR 2/1) silty clay loam; 28 percent clay; moderate fine granular parts to<br />
weak fine subangular blocky structure; friable, slightly hard, slightly sticky, slightly plastic; very fine and<br />
fine roots throughout; very fine and fine interstitial pores; filled worm burrows; clear smooth boundary.<br />
A1--14 to 36 centimeters; black (10YR 2/1) exterior and very dark brown (10YR 2/2) interior silty clay<br />
loam; 30 percent clay; moderate thin platy parts to moderate fine subangular blocky structure; friable,<br />
slightly hard, moderately sticky, moderately plastic; very fine and fine roots throughout and medium roots<br />
throughout; very fine and fine tubular pores; abrupt smooth boundary.<br />
A2--36 to 56 centimeters; black (10YR 2/1) exterior and very dark brown (10YR 2/2) interior silty clay<br />
loam; 30 percent clay; moderate medium subangular blocky structure; friable, slightly hard, moderately<br />
sticky, moderately plastic; fine roots throughout and very fine roots throughout; fine tubular pores; gradual<br />
wavy boundary.<br />
AB--56 to 95 centimeters; very dark brown (10YR 2/2) exterior and very dark grayish brown (10YR 3/2)<br />
interior silty clay loam; 32 percent clay; moderate medium subangular blocky structure; friable, slightly<br />
hard, moderately sticky, moderately plastic; very fine roots throughout; fine tubular pores; clear smooth<br />
boundary.<br />
Bw1--95 to 119 centimeters; very dark grayish brown (10YR 3/2) exterior and dark grayish brown (10YR<br />
4/2) interior silty clay loam; 32 percent clay; moderate fine subangular blocky structure; friable, slightly<br />
hard, moderately sticky, moderately plastic; very fine roots throughout; very fine tubular pores; 6 percent<br />
prominent clay films on vertical faces of peds; clear smooth boundary.<br />
Bw2--119 to 170 centimeters; dark grayish brown (10YR 4/2) exterior and brown (10YR 4/3) interior silty<br />
clay loam; 30 percent clay; moderate medium subangular blocky structure; firm, moderately hard,<br />
moderately sticky, moderately plastic; very fine roots throughout; very fine tubular pores; 30 percent<br />
distinct very dark grayish brown (10YR 3/2) organic stains on vertical faces of peds.<br />
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