IDENTIFIERS
Current Taxon Name (Soil Name):
Adco
OSD
Series Extent
User Site ID:
S1987MO121026
User Pedon ID:
1987MO121026
Lab Information:
Certified Lab Pedon Description -
no
Lab Source ID -
SSL
Lab Pedon # -
87P0771
NCSS Pedon Lab Data NASIS Record ID -
60066
Print Date:
2/17/2025
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:
39.7794456
Std. Longitude:
-92.4644470
Datum:
WGS84
Township:
57N
Range:
14W
Section:
4
PLSS Details:
500 feet S and 4650 feet E of the NW corner
Location Description:
187 yards W of fence & 31 yards N of road.
State:
Missouri
County:
MO121—Macon
MLRA:
115—Central Mississippi Valley Wooded Slopes
PEDON
Describers Name:
JCR CEL
Current Taxonomic Class:
Fine, smectitic, mesic Aeric Vertic Albaqualfs
Current Taxon Kind:
series
Pedon Purpose:
full pedon description
Pedon Record Orgin:
Converted from SSL-CMS data
Pedon #:
26
Correlated Information:
Soil Name -
Adco
PSC -
31 to 81 cm.
Classificaton Date -
6/15/2007
Moisture Class -
aquic
Moisture Subclass -
aeric
Sampled As Information:
Soil Name -
Mexico
Taxonomic Class -
Fine, montmorillonitic, mesic Udollic Ochraqualf
Taxon Kind -
series
Classificaton Date -
9/1/1987
Moisture Class -
aquic
Moisture SUBClass -
udic
Dynamic Soil Properties:
Erosion Class -
1
Pedoderm Loose Cover Indicator -
no
Hydric:
no
SITE
Parent Material:
loess derived from mixed and/or loess derived from mixed
Landscape:
upland
Landform:
plain
Hill Slope Profile:
shoulder
Slope Position:
upper third
Slope Shape Down:
linear
Runoff:
low
Drainage Class:
somewhat poorly
Flooding:
frequent flooding
Surface Fragments:
0.00 percent
Benchmark Soil?:
no
VEGETATION
SITE OBSERVATION
Observation Date:
9/1/1987 (actual site observation date)
Surface Cover Properties:
Site Obs. Cover Kind 1 -
crop cover
Pedoderm Loose Cover Indicator -
no
Drained? -
no
Bedded Soil? -
no
Forest Plantation? -
no
Site Erosion Accelerated:
water erosion
Pedon Diagnostic Features
Feature Kind
Feature Depth L-H
Feature Thickness L-RV-H
cm
mollic epipedon
argillic horizon
0—20
31—116
—-
—-
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
—
—
269
—
180
—
—
—
—
—
—
—
—
—
—
—
—
—
—
1Ap—0 to 20 centimeters (0.0 to 7.9 inches); very dark gray (10YR 3/1), gray (10YR 5/1), dry; silt loam; moderate fine granular structure; friable; 0.5 very fine roots throughout; fragments; neutral, pH 7.0, hellige-truog; abrupt smooth boundary. Lab sample # 87P04181; moist when described;. few very fine roots throughout
1BE—20 to 31 centimeters (7.9 to 12.2 inches); grayish brown (10YR 5/2), grayish brown (10YR 5/2), dry; silty clay loam; 11 percent yellowish red (5YR 4/6) fine prominent mottles; weak medium subangular blocky structure; friable; 0.5 very fine roots throughout; fragments; neutral, pH 7.0, hellige-truog; abrupt smooth boundary. Lab sample # 87P04182; moist when described;. 27 to 28% clay estimate.; few very fine roots throughout; common fine prominent 5YR46 mottles
1Btg1—31 to 41 centimeters (12.2 to 16.1 inches); dark gray (10YR 4/1) silty clay; 11 percent red (2.5YR 4/6) fine prominent and 30 percent strong brown (7.5YR 5/6) medium prominent mottles; moderate medium angular blocky structure; firm; 0.5 very fine roots throughout; 55 percent distinct dark grayish brown (10YR 4/2), moist, clay films on faces of peds; fragments; strongly acid, pH 5.3, hellige-truog; clear smooth boundary. Lab sample # 87P04183; moist when described;. Not sure what pd under mottles means. 45% clay estimate.; many clay films surface features on faces of peds; few very fine roots throughout; many medium prominent 7.5YR56 mottles; common fine prominent 2.5YR46 mottles; discontinuous - phpvsfiid 232316; discontinuous - phpvsfiid 232316
1Btg2—41 to 58 centimeters (16.1 to 22.8 inches); yellowish brown (10YR 5/4) interior silty clay; 11 percent yellowish brown (10YR 5/6) medium prominent mottles; weak medium angular blocky structure; firm; 0.5 very fine roots throughout; 37 percent distinct dark yellowish brown (10YR 4/4), moist, clay films on faces of peds; fragments; strongly acid, pH 5.3, hellige-truog; clear smooth boundary. Lab sample # 87P04184; moist when described;. 50 percent clay estimate.; common clay films surface features on faces of peds; few very fine roots throughout; common medium prominent 10YR56 mottles; discontinuous - phpvsfiid 232317; discontinuous - phpvsfiid 232317
1Btg3—58 to 78 centimeters (22.8 to 30.7 inches); grayish brown (2.5Y 5/2) silty clay; 11 percent strong brown (7.5YR 5/6) coarse prominent mottles; moderate medium subangular blocky structure; firm; 0.5 very fine roots throughout; 37 percent distinct , moist, clay films throughout; fragments; moderately acid, pH 5.8, hellige-truog; gradual smooth boundary. Lab sample # 87P04185; moist when described;. 44 percent clay estimate.; common clay films surface features throughout; few very fine roots throughout; common coarse prominent 7.5YR56 mottles; discontinuous - phpvsfiid 232318; discontinuous - phpvsfiid 232318
1Btg4—78 to 116 centimeters (30.7 to 45.7 inches); light brownish gray (2.5Y 6/2) silty clay loam; 11 percent strong brown (7.5YR 4/6) medium prominent mottles; weak medium subangular blocky structure; firm; 0.1 very fine roots throughout; 37 percent distinct , moist, clay films on faces of peds; fragments; moderately acid, pH 5.8, hellige-truog; gradual smooth boundary. Lab sample # 87P04186. 37 percent clay estimate.; common clay films surface features on faces of peds; very few very fine roots throughout; common medium prominent 7.5YR46 mottles; discontinuous - phpvsfiid 232319; discontinuous - phpvsfiid 232319
2C—116 to 152 centimeters (45.7 to 59.8 inches); dark gray (5Y 4/1) silty clay loam; 11 percent strong brown (7.5YR 4/6) medium prominent mottles; massive; firm; fragments; moderately acid, pH 5.8, hellige-truog. Lab sample # 87P04187; moist when described;. 34 percent clay estimate in the sicl as a layer. Value of 6 out of the range for the Btg4. 2.5Y in the lower Bt and C is out of range for Mexico.; common medium prominent 7.5YR46 mottles