LOCATION HADAR NEEstablished Series
TAXONOMIC CLASS: Sandy over loamy, mixed, superactive, mesic Udic Haplustolls
TYPICAL PEDON: Hadar loamy fine sand - with a slope of about 4 percent in a cultivated field. (Colors are for dry soil unless otherwise stated.)
Ap--0 to 6 inches; grayish brown (10YR 5/2) loamy fine sand, very dark grayish brown (10YR 3/2) moist; weak very fine granular structure; soft, very friable; medium acid; abrupt smooth boundary.
A--6 to 14 inches; grayish brown (10YR 5/2) loamy fine sand, very dark grayish brown (10YR 3/2) moist; weak fine granular structure; soft, very friable; medium acid; gradual wavy boundary. (Combined A horizons range from 10 to 20 inches thick)
Bw1--14 to 24 inches; pale brown (10YR 6/3) loamy fine sand, brown (10YR 5/3) moist; weak very fine granular structure; soft, very friable; slightly acid; clear smooth boundary. (10 to 20 inches thick)
2Bw2--24 to 27 inches; pale brown (10YR 6/3) loam, brown (10YR 4/3) moist; weak fine subangular blocky structure; slightly hard, friable; few pebbles; neutral; clear wavy boundary. (0 to 10 inches thick)
2Bw3--27 to 38 inches; light yellowish brown (2.5Y 6/4) clay loam, light olive brown (2.5Y 5/4) moist; common fine distinct yellowish brown (10YR 5/8 moist) mottles; moderate medium and fine subangular blocky structure; hard, few pebbles; firm; few small reddish brown accumulations of iron-manganese; neutral; gradual wavy boundary. (8 to 15 inches thick)
2BC--38 to 46 inches; light gray (2.5Y 7/2) clay loam, light brownish gray (2.5Y 6/2) moist; common medium distinct yellowish brown (10YR 5/8 moist) and reddish yellow (7.5YR 6/6 moist) mottles; moderate medium prismatic structure parting to weak coarse angular blocky; hard, firm; few pebbles; few reddish brown accumulations of iron-manganese; neutral; gradual wavy boundary. (0 to 10 inches thick)
2C--46 to 60 inches; light gray (2.5Y 7/2) clay loam, light brownish gray (2.5Y 6/2) moist; many medium distinct yellowish brown (10YR 5/8 moist) and strong brown (7.5YR 5/6 moist) mottles; moderate medium cleavage planes; hard, firm; common medium seams and pockets of soft carbonates; few reddish brown accumulations of iron-manganese; strong effervescence; moderately alkaline.
TYPE LOCATION: Pierce County, Nebraska; about 3 miles west and 1 mile south of Osmond; 600 feet north and 225 feet east of the southwest corner, sec. 3, T. 27 N., R. 3 W.
RANGE IN CHARACTERISTICS: The thickness of the solum ranges from 10 to 20 inches. Depth to free carbonates typically is about 46 inches, but ranges from 28 to 60 inches or more. Depth of the sandy material ranges from 20 to 40 inches. The thickness of the mollic epipedon ranges from 10 to 20 inches.
The A horizon has hue of 10YR or 2.5Y, value of 3 through 5 dry and 2 or 3 moist and chroma of 1 or 2. Typically, it is loamy fine sand, but the range includes loamy sand and sand. Reaction is medium or slightly acid.
The Bw horizon has hue of 10YR, value of 5 or 6 dry and 4 or 5 moist with chroma of 2 through 4. It is loamy fine sand, loamy sand or sand. Reaction is medium or slightly acid.
The 2Bw horizon has hue of 10YR or 2.5Y, value of 5 through 7 and 4 through 6 moist with chroma of 2 through 4. The 2Bw and 2BC horizons contain accumulations of segregated soft lime in some pedons. The 2Bw horizons are typically clay loam, but the range includes loam or sandy clay loam with the clay content averaging between 20 and 35 percent. Reaction is neutral through moderately alkaline. In places, a 2A horizon is formed in the till material.
The 2C horizon has hue of 2.5Y or 5Y, value of 5 through 7 dry and 4 through 6 moist and chroma of 2 through 4. Seams and pockets of soft lime accumulations are common. Reaction is neutral or moderately alkaline.
COMPETING SERIES: These include the Boelus series in the same family and the Betts, Clarno, Dunn, Libory, and Loretto series. Boelus soils contain more silt in the lower part of the control section. Betts and Clarno soils contain more clay in the A and upper B horizons. Dunn soils are moderately well drained, have loamy alluvium in the lower part of the control section. Libory soils are somewhat poorly drained and have loess or silty alluvium in the lower part of the control section. Loretto soils are fine-loamy. Shue soils are somewhat poorly drained and mottled in the sandy part.
GEOGRAPHIC SETTING: Hadar soils are nearly level to strongly sloping and are on uplands. The slope gradient commonly is 2 to 6 percent, but the full range is 0 to 12 percent. They formed in eolian or outwash sandy material over loamy glacial till. The range of mean annual temperature is 47 to 51 degrees F, and the range of mean annual precipitation is 21 to 28 inches.
GEOGRAPHICALLY ASSOCIATED SOILS: These are the competing Betts and Clarno soils and the Bazile, Moody, and Thurman soils. Betts and Clarno soils are lower in the landscape. Bazile soils have sand at a depth of 20 to 40 inches and are on similar landscapes. Moody soils formed in deep loess and are generally higher in the landscape than Hadar soils. Thurman soils are sandy throughout the profile and are generally higher in the landscape.
DRAINAGE AND PERMEABILITY: Well drained. Runoff is slow or medium. Permeability is rapid in the upper part of the soil and moderately slow in the lower part.
USE AND VEGETATION: Mainly cultivated to corn, rye with vetch, oats, and alfalfa. Native vegetation is tall and midgrasses, mainly sand bluestem, little bluestem, prairie sandreed, and needleandthread.
DISTRIBUTION AND EXTENT: Northeast Nebraska and possibly in southeastern South Dakota. The series is of small extent.
MLRA SOIL SURVEY REGIONAL OFFICE (MO) RESPONSIBLE: St. Paul, Minnesota
SERIES ESTABLISHED: Wayne County, Nebraska, 1970.