Nebraska Soils Field Trip - Virginia Tech

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4th IUSS Soil Classification Conference <strong>Field</strong> Tour Guidebook ÂC--0 to 8 centimeters; very dark brown (10YR 2/2) silt loam, very dark grayish brown (10YR 3/2), dry; weak fine granular structure; firm, slightly hard, slightly sticky, slightly plastic; common very fine and fine roots throughout; few very fine and fine interstitial pores; abrupt smooth boundary. ^C1--8 to 24 centimeters; brown (10YR 4/3) silt loam, brown (10YR 5/3), dry; 15 percent fine faint (10YR 5/3) mottles; weak medium angular blocky, and moderate medium platy structure; very firm, hard, slightly sticky, slightly plastic; common very fine roots throughout; few very fine interstitial pores; clear smooth boundary. ^C2--24 to 47 centimeters; brown (10YR 4/3) silt loam, pale brown (10YR 6/3), dry; 15 percent fine faint (10YR 4/4) mottles; moderate medium angular blocky structure; firm, hard, slightly sticky, slightly plastic; few very fine roots between peds; few very fine interstitial pores; 7.5YR 3/4 iron-manganese masses on faces of peds and manganese coatings along root channels; abrupt smooth boundary. Âb--47 to 50 centimeters; black (7.5YR 2.5/1) silt loam, very dark brown (7.5YR 2.5/2), dry; weak fine subangular blocky, and weak fine granular structure; friable, moderately hard, slightly sticky, slightly plastic; very few very fine and fine roots throughout; few very fine and fine irregular pores; abrupt smooth boundary. ^Bwb1--50 to 64 centimeters; brown (10YR 4/3) silt loam, yellowish brown (10YR 5/4), dry; 15 percent fine faint (10YR 2/1) mottles; massive; firm, slightly hard, slightly sticky, slightly plastic; very few very fine roots throughout; few very fine interstitial and tubular pores; 10 percent 7.5YR 3/4 iron-manganese masses; clear wavy boundary. ^Bwb2--64 to 83 centimeters; brown (10YR 4/3) silt loam, pale brown (10YR 6/3), dry; weak fine and medium platy structure; firm, moderately hard, slightly sticky, slightly plastic; few very fine roots throughout; few very fine interstitial and tubular pores; 7.5YR 2.5/1 manganese coatings on faces of peds and 2 percent 7.5YR 4/4 iron-manganese masses; clear wavy boundary. ^C'1--83 to 92 centimeters; brown (10YR 4/3) silt loam, brown (10YR 5/3), dry; massive; firm, moderately hard, slightly sticky, slightly plastic; few very fine roots throughout; few very fine interstitial pores; 15 percent 7.5YR 4/4 iron-manganese masses and 20 percent 10YR 4/2 iron depletions; clear wavy boundary. ^C'2--92 to 102 centimeters; dark yellowish brown (10YR 4/4) silt loam, brown (10YR 5/3), dry; moderate medium angular blocky structure; firm, moderately hard, slightly sticky, slightly plastic; few very fine roots throughout; few very fine interstitial pores; 3 percent 7.5YR 4/4 iron-manganese masses in matrix and 10 percent 10YR 4/2 iron depletions on faces of peds and 30 percent 7.5YR 2.5/1 manganese coatings on faces of peds. 116
Seq. # 4th IUSS Soil Classification Conference <strong>Field</strong> Tour Guidebook Horizon designation Diagnostic horizon Horizon depth (cm) Tour Book Tour Soil Taxonomy World Reference Base Diagnostic characteristics or properties Diagnostic characteristics of Soil Taxonomy Diagnostic properties of World Reference Base Soil Taxonomy 1 0 8 ÂC ~ ochric epipedon 2.) free carbonates mineral soil material World Reference Base calcaric material, mineral material 2 8 24 ^C1 ~ 2.) mineral soil material mineral material 3 24 47 ^C2 ~ 2.) mineral soil material mineral material 4 47 50 Âb ~ buried ochric epipedon mineral soil material mineral material 5 50 64 ^Bwb1 ~ buried cambic horizon buried cambic horizon free carbonates mineral soil material 6 64 83 ^Bwb2 ~ buried cambic horizon buried cambic horizon free carbonates mineral soil material calcaric material, mineral material calcaric material, mineral material 7 83 92 ^C'1 ~ mineral soil material mineral material 8 92 102 ^C'2 ~ free carbonates mineral soil material 117 Diagnostic materials calcaric material, mineral material
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4 th International Union of Soil Sc
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4th IUSS Soil Classification Confer
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Taxonomic Classifications of surfac
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40° 54' 28'' 40° 54' 15'' Soil Ma
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Soil Taxonomy Fine-loamy, mixed, ac
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Nebraska Soils Field Trip - Virginia Tech

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