Konza Prairie Biological Station NEON (KONZ) Soil Descriptions

A--0 to 10 centimeters (0.0 to 3.9 inches); silt loam, very dark grayish brown (10YR 3/2), moist; moderate fine granular structure; friable; very fine roots throughout and fine roots throughout and coarse roots throughout; noneffervescent; abrupt wavy boundary. Lab sample # 14N04350. 3 bulk density clods sampled, no natural fabric clods sampled

Bt1--10 to 26 centimeters (3.9 to 10.2 inches); silty clay loam, very dark grayish brown (10YR 3/2), moist; weak medium prismatic parts to moderate medium subangular blocky structure; firm; very fine roots throughout and fine roots throughout; 30 percent 10YR 3/2), moist, clay films on all faces of peds; noneffervescent; clear wavy boundary. Lab sample # 14N04351. 3 bulk density clods sampled, 2 natural fabric clods sampled

Bt2--26 to 66 centimeters (10.2 to 26.0 inches); silty clay loam, dark brown (10YR 3/3), moist; weak coarse prismatic parts to moderate medium subangular blocky structure; firm; fine roots throughout and coarse roots throughout; 20 percent 10YR 3/2), moist, clay films on all faces of peds; noneffervescent; clear smooth boundary. Lab sample # 14N04352. 3 bulk density clods sampled, 2 natural fabric clods sampled

Btkss--66 to 89 centimeters (26.0 to 35.0 inches); silty clay, dark grayish brown (10YR 4/2), moist; weak coarse prismatic parts to moderate medium subangular blocky structure; very firm; fine roots throughout; 2 percent 10YR 3/3), moist, slickensides (pedogenic) and 20 percent 10YR 3/3), moist, clay films on all faces of peds; 5 percent coarse irregular manganese coatings with sharp boundaries between peds and 10 percent medium irregular 7.5YR 4/4), moist, and 7.5YR 4/6), moist, masses of oxidized iron with diffuse boundaries in matrix; 3 percent fine threadlike carbonate masses with clear boundaries between peds and 2 percent medium irregular weakly cemented carbonate nodules with sharp boundaries between peds; noneffervescent; clear smooth boundary. Lab sample # 14N04353. 3 bulk density clods sampled, 2 natural fabric clods sampled

Btky--89 to 132 centimeters (35.0 to 52.0 inches); silty clay loam, grayish brown (10YR 5/2), moist; weak coarse prismatic parts to moderate medium subangular blocky structure; friable; fine roots throughout; 5 percent 10YR 4/1), moist, clay films on surfaces along root channels; 3 percent medium irregular manganese coatings with sharp boundaries between peds and 10 percent coarse irregular 7.5YR 4/6), moist, masses of oxidized iron with clear boundaries in matrix; 5 percent fine threadlike gypsum masses with clear boundaries between peds and 2 percent medium irregular carbonate masses with clear boundaries between peds; noneffervescent; clear wavy boundary. Lab sample # 14N04354. 3 bulk density clods sampled, 2 natural fabric clods sampled

2BCy--132 to 164 centimeters (52.0 to 64.6 inches); silty clay loam, brown (7.5YR 4/3), moist; moderate medium subangular blocky structure; friable; 2 percent gypsum coats on all faces of peds; 5 percent fine irregular manganese coatings with sharp boundaries between peds and 10 percent medium irregular 7.5YR 4/6), moist, and 7.5YR 5/6), moist, masses of oxidized iron with diffuse boundaries in matrix; 3 percent fine threadlike gypsum masses with clear boundaries between peds; 2 percent nonflat rounded indurated 2 to 5-millimeter chert fragments; noneffervescent; clear wavy boundary. Lab sample # 14N04355. 3 bulk density clods sampled, 2 natural fabric clods sampled

3Bt--164 to 200 centimeters (64.6 to 78.7 inches); silty clay, reddish brown (5YR 4/4), moist; moderate coarse prismatic parts to moderate medium subangular blocky structure; very firm; 60 percent 5YR 3/2), moist, clay films on all faces of peds; 10 percent medium irregular manganese coatings with sharp boundaries between peds and 15 percent coarse irregular 7.5YR 4/6), moist, and 7.5YR 5/6), moist, masses of oxidized iron with diffuse boundaries in matrix; 5 percent nonflat rounded indurated 2 to 5-millimeter cherty limestone fragments; noneffervescent. Lab sample # 14N04356. fragments in this horizon are well weathered and rounded, 3 bulk density clods sampled, 2 natural fabric clods sampled