Nebraska Soils Field Trip - Virginia Tech

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4th IUSS Soil Classification Conference <strong>Field</strong> Tour Guidebook Principle loess soils of MLRA 107B Hamburg silt loam Loess Depth: 22 meters Parent material: calcareous loess. Landscape position: very steep convex shoulders or back slopes on uplands. Percent slope: 2-90% Classification: Coarse-silty, mixed, superactive, calcareous, mesic Typic Udorthents Drainage class: Somewhat excessively drained Associated soils: Castana silt loam (foot slope) Sand content: 10 to 50 percent, mostly very fine sand. Silt content: coarse silt to fine ratio is approximately 3 to 1. Clay content: 6 to 15% Hamburg silt loam lab data: PSDA & Rock Fragments -1- -2- -3- -4- -5- -6- -7- -8- -9- -10- -11- -12- -13- -14- -15- -16- -17- ( Rock Fragments (- - - Total - - - -) (- Clay - -) (- - Silt - - -) (- - - - - - - Sand - - - - - - -) (mm) ) Clay Silt Sand Fine CO3 Fine Coarse VF F M C VC (- - -- - Weight -- - - - -) >2 mm < .002 .05 < < .002 .02 .05 .10 .25 .5 1 2 5 20 .1- wt % Depth .002 -.05 -2 .0002 .002 -.02 -.05 -.10 -.25 -.50 -1 -2 -5 -20 -75 75 whole Layer (cm) Horz Prep (- - - - - - - - - - - - - % of
4th IUSS Soil Classification Conference <strong>Field</strong> Tour Guidebook Ida silt loam lab data: PSDA & Rock Fragments -1- -2- -3- -4- -5- -6- -7- -8- -9- -10- -11- -12- -13- -14- -15- -16- -17- (- - - Total - - - -) (- Clay - -) (- -- Silt - - -) (- - - - - - - Sand - -- - - - - -) ( Rock Fragments (mm) ) Clay Silt Sand Fine CO3 Fine Coarse VF F M C VC (- - - - - Weight - -- - - -) >2 mm < .002 .05 < < .002 .02 .05 .10 .25 .5 1 2 5 20 .1- wt % Depth .002 -.05 -2 .0002 .002 -.02 -.05 -.10 -.25 -.50 -1 -2 -5 -20 -75 75 whole Layer (cm) Horz Prep (- - - - - - - - - - - - - - - % of
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Pedon ID: S11NE153001 *** Primary C
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Soil Taxonomy Fine-loamy, mixed, ac
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