LOCATION BISTINEAU LAEstablished Series
TAXONOMIC CLASS: Fine-loamy, siliceous, semiactive, thermic Typic Paleudalfs
TYPICAL PEDON: Bistineau very fine sandy loam - forested (Colors are for moist soil unless otherwise stated).
A--0 to 2 inches; dark grayish brown (10YR 4/2) very fine sandy loam; weak fine granular structure; very friable; many fine, medium and coarse roots; very strongly acid; clear wavy boundary (2 to 8 inches thick).
E--2 to 6 inches; brown (10YR 5/3) very fine sandy loam; weak fine granular structure; very friable; many very fine roots; common fine roots;few coarse roots; moderately acid; clear wavy boundary (4 to 10 inches thick).
BE--6 to 14 inches; 65 percent brown (7.5YR 4/4) and 35 percent yellowish brown (10YR 5/4) loam; weak medium subangular blocky structure; very friable; few fine and very fine roots; few fine pores; strongly acid; clear wavy boundary (0 to 10 inches thick).
Bt1--14 to 23 inches; yellowish red (5YR 4/6) loam; weak medium subangular blocky structure; friable; few fine roots; common medium and coarse pores; few discontinuous distinct reddish brown (5YR 4/4) clay films on faces of peds; few brown (7.5YR 4/4) worm casts between peds; strongly acid; clear wavy boundary (6 to 12 inches thick).
Bt2--23 to 32 inches; yellowish red (5YR 4/6) loam; moderate medium subangular blocky structure; friable; few very fine roots between peds; common medium and coarse pores; common continuous distinct reddish brown (5YR 4/4) clay films on faces of peds; strongly acid; clear wavy boundary (8 to 12 inches thick).
Bt/E1--32 to 46 inches; yellowish red (5YR 4/6) very fine sandy loam; moderate medium subangular blocky structure; friable; common fine and medium pores; few discontinuous clay films; few distinct yellowish brown (10YR 5/8) masses of iron accumulation throughout; pockets and streaks of brown (10YR 5/3) E material make up about 15 percent of the horizon; strongly acid; clear wavy boundary.
Bt/E2--46 to 57 inches; yellowish red (5YR 4/6) very fine sandy loam; moderate coarse subangular blocky structure; friable; common fine and medium pores; few discontinuous clay films on faces of peds and in pores; few prominent yellowish brown (10YR 5/8) masses of iron accumulation throughout; pockets and streaks of brown (10YR 5/3) E material make up about 20 percent of the horizon; strongly acid; clear wavy boundary.
Bt/E3--57 to 65 inches; red (2.5YR 4/6) very fine sandy loam; moderate coarse prismatic structure parting to moderate medium subangular blocky; firm; common coarse vesicular pores; few discontinuous dark reddish brown (2.5YR 3/4) clay films on faces of peds; common black manganese stains on faces of peds; seams of light brown (7.5YR 6/4) very fine sandy loam 2mm. to 25 mm. wide make up about 20 percent of the horizon; moderately acid; clear wavy boundary.
Bt/E4--65 to 81 inches; red (2.5YR 4/6) sandy clay loam; moderate coarse prismatic structure parting to moderate medium subangular blocky; firm; 30 percent brittle peds in the Bt parts; seams of light brown (7.5YR 6/4) very fine sandy loam 2mm. to 2.5cm. wide make up about 20 percent of the horizon; moderately acid (Combined thickness of the Bt/E horizon is 20 to 50 inches).
TYPE LOCATION: Bossier Parish, Louisiana; located about 12 miles south of the intersection of La. Hwys. 3 and 162 in Benton, La. to the intersection with U.S. 80 in Bossier City, La.; 12.5 miles east on U.S. Hwy. 80 to the intersection with La. Hwy. 157; 6.7 miles south on La. Hwy. 157 to the intersection with Johnson-Koran road at Oakland, La.; 1.0 mile east/southeast on Johnson-Koran road to the intersection with Hayes Ball road; 2048 feet (.39 miles) east and north on Hayes Ball road to woods road; 3491 feet (.66 mile) north and east to pipeline on woods road; 775 feet south on pipeline; 126 feet east of the center of the pipeline in woods; NE1/4, NW1/4, Sec. 15, T. 17 N., R. 11 W; Latitude 32 degrees 27 minutes 57 seconds N., and Longitude 93 degrees 29 minutes 01 seconds W.; USGS Koran Topographic Quadrangle, NAD 1983.
RANGE IN CHARACTERISTICS: Solum thickness exceeds 80 inches. Silt content is more than 30 percent in the upper 20 inches of the argillic horizon. Reaction is very strongly acid to moderately acid throughout.
The A horizon has hue of 10YR, value of 4 or 5 and chroma of 2 to 4, or hue of 7.5YR, value of 4 and chroma of 2 to 4. Texture is very fine sandy loam, loam or silt loam.
The E horizon has hue of 10YR, value of 5 or 6 and chroma of 3 or 4; or hue of 7.5YR, value of 5 or 6 and chroma of 4. Texture is very fine sandy loam or loam.
The BE horizon, where present, has hue of 10YR or 7.5YR value of 4 to 6 and chroma of 4 to 6. Texture is very fine sandy loam, loam, or sandy clay loam.
The Bt horizon has hue of 5YR or 2.5YR, value of 4 or 5, and chroma of 4 to 8. Texture dominantly is silt loam or loam, but ranges to clay loam in some pedons.
The Bt portion of the Bt/E horizon has hue of 5YR or 2.5YR, value of 4 or 5, and chroma of 4 to 8. The Bt parts have up to 35 percent brittle peds in the lower parts in some pedons. The E portion has hue of 10YR or 7.5YR, value of 5 and chroma of 3 to 8; or value of 6 and chroma of 4 to 8. The E parts consist of pockets, streaks and interfingers of less coated sand and silt and make up about 5 to 25 percent of the horizon. Texture is very fine sandy, loam, sandy clay loam, or silt loam.
COMPETING SERIES: These are the Attoyac and Elrose series in the same family, and the Caledonia, Darbonne, Petal, and Salisaw series in closely related families. Attoyac soils have less than 30 percent silt in the upper 20 inches of the argillic horizon. Elrose soils are on uplands and formed in marine sediments high in glauconite. Caledonia soils are on older terraces not associated with the Red River and typically are darker red in the upper part of the subsoil. Darbonne soils are on uplands and formed in marine sediments that are high in siderite. In addition, they have 5 to 35 percent ironstone fragments in the particle-size control section. Petal soils are moderately well drained with a clayey discontinuity and a perched wet zone at 2.5 to 3.5 feet deep. Salisaw soils are on uplands in mountain valleys and have a gravelly discontinuity at 30 to 60 inches deep.
GEOGRAPHIC SETTING: Bistineau soils formed on convex stream terraces in late-Pleistocene age, loamy alluvial sediments from the Red River and its tributaries. Slopes dominantly are 1 to 5 percent, but range to 8 percent. The mean annual temperature near the type location is 65 degrees F. and the mean annual precipitation is 46 inches. Annual frost free rainfall ranges from 25 to 30 inches.
GEOGRAPHICALLY ASSOCIATED SOILS: These are the Forbing, Gore, Kolin, Morse, Mckamie and Wrightsville series. The Forbing, Gore and Mckamie soils are on side slope positions along drainageways and are clayey throughout. Kolin soils are on the flatter landscapes and have aquic conditions within 30 inches of the soil surface. Morse soils are on sililar positions and are vertisols that formed in calcareous clayey alluvial deposits. Wrightsville soils are on broad depressional areas, are gray throughout and have a fine textured control section
DRAINAGE AND PERMEABILITY: Bistineau soils are well drained and moderately permeable. Runoff is low on slopes up to 5 percent, and medium on slopes more than 5 percent.
USE AND VEGETATION: These soils are used mainly for pine production and pasture.
DISTRIBUTION AND EXTENT: Western Coastal Plain (MLRA 133B) in Louisiana and possibly Arkansas, Texas, and Oklahoma. The extent is moderate.
MLRA SOIL SURVEY REGIONAL OFFICE (MO) RESPONSIBLE: Temple, Texas
SERIES ESTABLISHED: Bossier Parish, Louisiana in 2004. The series name is that of a lake in Bossier Parish, Louisiana.
REMARKS: These soils were formerly included in the Tilden and Amite series in the previously published Bossier Parish Soil Survey (8/62).
Diagnostic horizons and features recognized in this pedon
Ochric epipedon--------0 to 14 inches (A, E, BE horizons)
Argillic horizon-------14 to 83 inches (Bt, Bt/E, 2Bt horizon)
ADDITIONAL DATA: Laboratory data are available for the type location pedon from the National Soil Survey Laboratory, Lincoln, Nebraska (Survey Sample No. S94LA-015-012). These data support a coarse-loamy family, however the Bt1, Bt2, and Bt/E1 horizons were resampled and analyses were run on those samples by LSU (S97LA-015-035), which support fine-loamy family.