IDENTIFIERS
Current Taxon Name (Soil Name):
Ipava
OSD
Series Extent
User Site ID:
1978IL137026
User Pedon ID:
1978IL137026
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
IL SCL
Lab Pedon # -
78IL137026
NCSS Pedon Lab Data NASIS Record ID -
21054
Print Date:
12/17/2024
LOCATION
Location In Web Soil Survey
AOI is roughly a square mile and pedon is marked in the center.
Location in SoilWeb
Location in Google Maps
Std. Latitude:
39.8446261
Std. Longitude:
-90.2370202
Datum:
WGS84
Township:
16N
Range:
10W
Section:
9
PLSS Details:
about 700 feet east and 90 feet north of the SW section corner
Map Unit:
43A—Ipava silt loam, 0 to 2 percent slopes
Country:
US—United States
State:
Illinois
County:
IL137—Morgan
MLRA:
115—Central Mississippi Valley Wooded Slopes
Regional Office:
NC—North Central
MLRA Soil Survey Area:
NC-SPI—Springfield, Illinois
Non-MLRA Soil Survey Area:
IL137—Morgan County, Illinois
7.5 Minute USGS Quad:
39090-G2—Literberry, Illinois
PEDON
Current Taxonomic Class:
Fine, smectitic, mesic Aquic Argiudolls
Current Taxon Kind:
series
Pedon Type:
classifies to current taxon name, full description
Pedon Purpose:
soil survey inventory
Pedon Record Orgin:
PedonPC
Pedon #:
26
Correlated Information:
Soil Name -
Ipava
PSC -
46 to 96 cm.
Classificaton Date -
1/4/2010
Soil Taxonomic Edition -
eleventh edition
Moisture Class -
udic
Moisture Subclass -
aquic
Sampled As Information:
Soil Name -
Ipava
Classificaton Date -
8/1/1978
Dynamic Soil Properties:
Erosion Class -
1
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Parent Material:
loess
Landscape:
till plain
Landform:
ground moraine
Geomorphic Component Flats:
talf
Slope Shape Across:
linear
Slope Shape Down:
linear
Drainage Class:
somewhat poorly
Surface Fragments:
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
9/5/1979 (entry creation date)
Surface Cover Properties:
Site Obs. Cover Kind 1 -
crop cover
Site Obs. Cover Kind 2 -
hayland
Pedoderm Loose Cover Indicator -
no
Drained? -
no
Bedded Soil? -
no
Forest Plantation? -
no
Pedon Diagnostic Features
Feature Kind
Feature Depth L-H
Feature Thickness L-RV-H
cm
mollic epipedon
argillic horizon
0—46
46—109
—-
—-
Setting and Climate
Slope
Slope Length USLE
Upslope Length
Elev.
Corr. Elev
Aspect
MAP
REAP
FFD
MAAT
MSAT
MWAT
MAST
MSST
MWST
MFFP
PE Index
Climate Station ID
Climate Station Name
Climate Station Type
%
m
degrees
mm
mm
C
mm
1
—
—
—
—
980
—
190
13
—
—
—
—
—
—
—
—
—
—
Ap—0 to 25 centimeters (0.0 to 9.8 inches); black (10YR 2/1), dark gray (10YR 4/1), dry; silt loam; weak fine granular structure; friable; 3.0 fine roots between peds; fragments; neutral, pH 7.0; abrupt smooth boundary. Lab sample # IL26034, IL26035. Horizon split for sampling: IL26034 0 to 13 cm, IL26035 13 to 25 cm.
A—25 to 46 centimeters (9.8 to 18.1 inches); black (10YR 2/1), dark gray (10YR 4/1), dry; silty clay loam; moderate fine subangular blocky structure; firm; 0.6 fine roots between peds; fragments; slightly acid, pH 6.3; clear smooth boundary. Lab sample # IL26036, IL26037. Horizon split for sampling: IL26036 25 to 36 cm, IL26037 36 to 46 cm.
Bt1—46 to 66 centimeters (18.1 to 26.0 inches); dark grayish brown (10YR 4/2) silty clay loam; moderate medium prismatic parts to moderate subangular blocky structure; firm; distinct very dark gray (10YR 3/1) organoargillans on all faces of peds; 10 percent medium distinct yellowish brown (10YR 5/8) masses of oxidized iron and 10 percent fine distinct grayish brown (10YR 5/2) iron depletions; fragments; slightly acid, pH 6.3; clear smooth boundary. Lab sample # IL26039, IL26038. Horizon split for sampling: IL26038 46 to 56 cm, IL26039 56 to 66 cm.
Bt2—66 to 89 centimeters (26.0 to 35.0 inches); dark grayish brown (10YR 4/2) silty clay loam; moderate medium prismatic parts to moderate coarse subangular blocky structure; firm; 0.6 fine roots between peds; distinct very dark gray (10YR 3/1) and very dark grayish brown (10YR 3/2) organoargillans on all faces of peds; 1 percent fine distinct spherical iron-manganese concretions in matrix and 5 percent fine distinct pale brown (10YR 6/3) masses of oxidized iron and 5 percent fine distinct yellowish brown (10YR 5/6) masses of oxidized iron; fragments; neutral, pH 7.0; clear smooth boundary. Lab sample # IL26040, IL26041. Horizon split for sampling: IL26040 66 to 76 cm, IL26041 76 to 89 cm.
Bt3—89 to 109 centimeters (35.0 to 42.9 inches); yellowish brown (10YR 5/4) silty clay loam; weak medium prismatic parts to weak medium subangular blocky structure; firm; 0.6 fine roots between peds; prominent very dark grayish brown (10YR 3/2) organoargillans on all faces of peds; 1 percent fine prominent spherical iron-manganese concretions in matrix and 25 percent medium distinct yellowish brown (10YR 5/8) masses of oxidized iron; fragments; neutral, pH 7.0; clear smooth boundary. Lab sample # IL26042, IL26043. Horizon split for sampling: IL26042 89 to 99 cm, IL26043 99 to 109 cm.
Bt4—109 to 130 centimeters (42.9 to 51.2 inches); yellowish brown (10YR 5/4) silt loam; weak coarse subangular blocky structure; friable; 0.6 fine roots between peds; prominent very dark gray (10YR 3/1) organoargillans on all faces of peds; 1 percent fine prominent spherical iron-manganese concretions in matrix and 5 percent medium distinct yellowish brown (10YR 5/8) masses of oxidized iron and 5 percent fine distinct pale brown (10YR 6/3) masses of oxidized iron; fragments; slightly alkaline, pH 7.6; clear smooth boundary. Lab sample # IL26045, IL26044. Horizon split for sampling: IL26044 109 to 119 cm, IL26045 119 to 130 cm.
C—130 to 152 centimeters (51.2 to 59.8 inches); pale brown (10YR 6/3) silt loam; structureless massive; friable; 1 percent fine prominent spherical light brownish gray (10YR 6/2) iron-manganese concretions in matrix and 1 percent medium distinct masses of oxidized iron and 10 percent medium distinct yellowish brown (10YR 5/8) manganese masses; fragments; moderately alkaline, pH 8.1. Lab sample # IL26046, IL26047. Horizon split for sampling: IL26046 130 to 140 cm, IL26047 140 to 152 cm.