Nebraska Soils Field Trip - Virginia Tech

4th IUSS Soil Classification Conference Field Tour Guidebook
A--0 to 18 centimeters; black (10YR 2/1) silt loam; moderate fine granular, and moderate fine subangular
blocky structure; friable, soft, nonsticky, nonplastic; many fine roots; common very fine and fine interstitial
pores; clear wavy boundary.
AB--18 to 30 centimeters; 80 percent black (10YR 2/1) and 20 percent brown (10YR 4/3) silt loam;
moderate fine subangular blocky structure; friable, soft, nonsticky, nonplastic; many fine roots; common
very fine and fine interstitial pores; clear wavy boundary.
Bw1--30 to 52 centimeters; dark yellowish brown (10YR 4/4) silt loam; moderate fine subangular blocky,
and moderate medium subangular blocky structure; friable, slightly hard, slightly sticky, slightly plastic;
many fine roots; common fine tubular and few very fine tubular pores; 2 percent black (10YR 2/1) organic
stains; gradual smooth boundary.
Bw2--52 to 79 centimeters; dark yellowish brown (10YR 4/4) silt loam; moderate medium subangular
blocky structure; friable, slightly hard, slightly sticky, slightly plastic; common fine roots; common fine
tubular and few very fine tubular pores; gradual smooth boundary.
Bw3--79 to 99 centimeters; dark yellowish brown (10YR 4/4) silt loam; weak coarse subangular blocky
structure; friable, slightly hard, slightly sticky, slightly plastic; common very fine roots; few very fine and
fine tubular pores; gradual smooth boundary.
BC--99 to 117 centimeters; dark yellowish brown (10YR 4/4) silt loam; weak coarse prismatic parts to
weak medium subangular blocky structure; friable, slightly hard, slightly sticky, slightly plastic; common
very fine roots; few very fine tubular pores.
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