IDENTIFIERS

Current Taxon Name (Soil Name): Lagonda

OSD

Series Extent

User Site ID: 1989MO175009m

User Pedon ID: 1989MO175009m

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - MCL

Lab Pedon # - M8917509

NCSS Pedon Lab Data NASIS Record ID - 27159

Print Date: 9/24/2024

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: 39.4803611

Std. Longitude: -92.5808611

Datum: WGS84

Township: T54N

Range: R15W

Section: 15

Location Description: 2600 feet east and 1600 feet south of the NW corner of sec. 15, T54N, R15W

Map Unit: 30118—Lagonda silt loam, 5 to 9 percent slopes, eroded

State: Missouri

County: MO175—Randolph

MLRA: 109—Iowa and Missouri Heavy Till Plain

Non-MLRA Soil Survey Area: MO175—Randolph County, Missouri

PEDON

Describers Name: Dennis Potter

Current Taxonomic Class: Fine, smectitic, mesic Aquertic Hapludalfs

Current Taxon Kind: taxadjunct

Pedon Type: within range of map unit

Pedon Purpose: full pedon description

Pedon Record Orgin: NASIS

Correlated Information:

Soil Name - Lagonda

PSC - 20 to 70 cm.

Classificaton Date - 4/12/2012

Soil Taxonomic Edition - first edition

Moisture Subclass - udic

Sampled As Information:

Soil Name - Lagonda

Classificaton Date - 9/4/1984

Dynamic Soil Properties:

Erosion Class - 3

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: loess over pedisediment

Landscape: hills

Landform: hill

Geomorphic Component Hills: interfluve

Hill Slope Profile: summit

Slope Complexity: simple

Slope Shape Across: convex

Slope Shape Down: convex

Drainage Class: somewhat poorly

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 9/4/1984 (actual site observation date)

Surface Cover Properties:

Site Obs. Cover Kind 1 - crop cover

Site Obs. Cover Kind 2 - close-grown crop

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

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
6	—	—	240.8	—	315	—	—	—	—	—	—	—	—	—	—	—	—	—	—

Ap—0 to 20 centimeters (0.0 to 7.9 inches); very dark grayish brown (10YR 3/2) crushed, grayish brown (10YR 5/2) crushed, dry; silty clay loam; 10 percent sand; 61 percent silt; 29 percent clay; weak thin platy parts to moderate fine granular structure; friable; 3.0 fine roots; fragments; strongly acid, pH 5.2, pH meter; clear smooth boundary. Lab sample # MU014620; observed in pit, small

BA—20 to 28 centimeters (7.9 to 11.0 inches); dark grayish brown (2.5Y 4/2) interior silty clay; 7 percent sand; 49 percent silt; 44 percent clay; weak fine subangular blocky structure; friable; 3.0 fine roots; 1 percent medium prominent brown (7.5YR 5/4), moist, masses of oxidized iron; fragments; strongly acid, pH 5.3, pH meter; clear smooth boundary. Lab sample # MU014621; observed in pit, small

Bt1—28 to 41 centimeters (11.0 to 16.1 inches); dark grayish brown (2.5Y 4/2) interior silty clay; 9 percent sand; 48 percent silt; 43 percent clay; moderate medium subangular blocky structure; firm; 0.9 fine roots; 30 percent distinct clay films on all faces of peds; 1 percent fine prominent strong brown (7.5YR 5/6), moist, masses of oxidized iron and 10 percent medium prominent yellowish brown (10YR 5/4), moist, masses of oxidized iron and 10 percent fine iron-manganese concretions; fragments; very strongly acid, pH 5.0, pH meter; clear smooth boundary. Lab sample # MU014622; observed in pit, small

2Bt2—41 to 53 centimeters (16.1 to 20.9 inches); dark grayish brown (2.5Y 4/2) interior silty clay loam; 13 percent sand; 49 percent silt; 38 percent clay; moderate medium subangular blocky structure; firm; 0.9 fine roots; 60 percent prominent clay films on all faces of peds; 10 percent medium prominent yellowish brown (10YR 5/8), moist, masses of oxidized iron and 10 percent medium prominent strong brown (7.5YR 5/6), moist, masses of oxidized iron and 10 percent fine iron-manganese concretions; fragments; strongly acid, pH 5.1, pH meter; clear smooth boundary. Lab sample # MU014623; observed in pit, small

2Bt3—53 to 91 centimeters (20.9 to 35.8 inches); grayish brown (2.5Y 5/2) interior and dark grayish brown (2.5Y 4/2) interior clay loam; 23 percent sand; 44 percent silt; 33 percent clay; moderate fine subangular blocky structure; firm; 0.9 very fine roots; 50 percent prominent clay films on all faces of peds; 1 percent fine iron-manganese concretions and 10 percent fine prominent strong brown (7.5YR 4/6), moist, masses of oxidized iron and 10 percent medium prominent yellowish brown (10YR 5/6), moist, masses of oxidized iron; fragments; moderately acid, pH 5.8, pH meter; gradual smooth boundary. Lab sample # MU014624; observed in pit, small. Common clean sand grains described in this horizon.

2Bt4—91 to 107 centimeters (35.8 to 42.1 inches); grayish brown (2.5Y 5/2) interior clay loam; 26 percent sand; 45 percent silt; 30 percent clay; weak fine subangular blocky structure; firm; 20 percent faint clay films on all faces of peds; 1 percent fine iron-manganese concretions and 10 percent medium prominent yellowish brown (10YR 5/6), moist, masses of oxidized iron; fragments; moderately acid, pH 6.0, pH meter; gradual smooth boundary. Lab sample # MU014625; observed in pit, small

2C—107 to 152 centimeters (42.1 to 59.8 inches); grayish brown (10YR 5/2) interior clay loam; 26 percent sand; 36 percent silt; 38 percent clay; weak fine subangular blocky structure; firm; 10 percent medium prominent yellowish brown (10YR 5/6), moist, masses of oxidized iron; fragments; neutral, pH 6.6, pH meter. Lab sample # MU014626; observed in pit, small. Few fine pebbles described in this horizon.