IDENTIFIERS

Current Taxon Name (Soil Name): Irwin

User Site ID: 05KS127025

User Pedon ID: 05KS127025

User Site Association ID: Irwin, Ladysmith, Dwight, Konza DeAnn Presley PhD studyKansas State University Laboratory PedonsKSU _ Presley dissertation

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - KSU

Lab Pedon # - 05KS127025

NCSS Pedon Lab Data NASIS Record ID - 40801

Print Date: 4/17/2025

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: 38.7015076

Std. Longitude: -96.7175903

Datum: WGS84

Township: 15S

Range: 6E

Section: 36

PLSS Details: SW 1/4

Location Description: Site is 5 miles north and 2 miles west of Wilsey, Kansas.

State: Kansas

County: KS127—Morris

MLRA: 75—Central Loess Plains

7.5 Minute USGS Quad: 38096-F6—Wilsey, Kansas

PEDON

Describers Name: DeAnn Presley

Current Taxonomic Class: Fine, smectitic, mesic Pachic Argiustolls

Pedon Purpose: research site

Pedon Record Orgin: NASIS

Sampled As Information:

Soil Name - Irwin

Taxonomic Class - Fine, smectitic, mesic Pachic Argiustolls

PSC - 5 to 55 cm.

Classificaton Date - 10/31/2005

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: clayey loess over colluvium over colluvium over residuum weathered from limestone and shale

Geomorphic Component Hills: interfluve

Hill Slope Profile: backslope

Flooding: none flooding

Ponding: none ponding

Geology: Chase group .

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 10/31/2005 (actual site observation date)

Surface Cover Properties:

Site Obs. Cover Kind 1 - crop cover

Site Obs. Cover Kind 2 - row crop

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 redox concentrations secondary carbonates lithologic discontinuity gypsum accumulations lithologic discontinuity redox depletions with chroma 2 or less lithologic discontinuity	0—124 5—191 39— 55—91 55—91 91—166 91—220 166—220 220—	—- —- —- —- —- —- —- —- —-

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
2	—	—	448	—		—	—	—	—	—	—	—	—	—	—	—	—	—	—

Ap—0 to 5 centimeters (0.0 to 2.0 inches);, very dark brown (10YR 2/2) rubbed, moist; silty clay loam; 35 percent clay; weak fine subangular blocky structure; friable; 0.5 fine roots throughout; 0.5 fine irregular pores; fragments; noneffervescent, by hcl, 1n; abrupt smooth boundary. Lab sample # KSUR1143; observed in push tube

Bt1—5 to 39 centimeters (2.0 to 15.4 inches);, very dark brown (10YR 2/2) broken face, moist; silty clay; 42 percent clay; moderate fine subangular blocky structure; firm; 0.2 very fine roots between peds; 0.5 fine irregular pores; 2 percent faint black (10YR 2/1), moist, organoargillans; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # KSUR1144; observed in push tube. discontinuous - phpvsfiid 328099; discontinuous - phpvsfiid 328099

Bt2—39 to 55 centimeters (15.4 to 21.7 inches);, dark brown (10YR 3/3) broken face, moist; silty clay; 45 percent clay; moderate medium prismatic structure; firm; 0.2 very fine roots between peds; 0.5 fine irregular pores; 2 percent faint very dark grayish brown (10YR 3/2), moist, clay films; 10 percent fine distinct black (N 2/0), moist, iron-manganese masses; fragments; noneffervescent, by hcl, 1n; abrupt smooth boundary. Lab sample # KSUR1145; observed in push tube. discontinuous - phpvsfiid 328100; discontinuous - phpvsfiid 328100

2Btk—55 to 91 centimeters (21.7 to 35.8 inches);, dark brown (10YR 3/3) broken face, moist; silty clay; 45 percent clay; moderate medium prismatic structure; firm; 0.2 very fine roots between peds; 0.5 fine irregular pores; 4 percent faint very dark grayish brown (10YR 3/2), moist, clay films; 10 percent fine distinct black (N 2/0), moist, iron-manganese masses; 4 percent fine spherical light gray (10YR 7/2), moist, carbonate nodules; fragments; noneffervescent, by hcl, 1n; abrupt smooth boundary. Lab sample # KSUR1146; observed in push tube. continuous - phpvsfiid 328101; continuous - phpvsfiid 328101

3Bty1—91 to 124 centimeters (35.8 to 48.8 inches);, dark brown (7.5YR 3/3) broken face, moist; silty clay; 45 percent clay; moderate medium subangular blocky structure; very firm; 0.2 very fine roots between peds; 1.0 fine irregular pores; 10 percent faint very dark grayish brown (10YR 3/2), moist, clay films; 1 percent fine faint dark yellowish brown (10YR 4/4), moist, masses of oxidized iron and 2 percent fine distinct black (N 2/0), moist, iron-manganese masses; 1 percent fine threadlike gypsum masses; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # KSUR1147; observed in push tube. continuous - phpvsfiid 328102; continuous - phpvsfiid 328102

3Bty2—124 to 166 centimeters (48.8 to 65.4 inches);, dark brown (7.5YR 3/4) broken face, moist; silty clay; 45 percent clay; moderate medium subangular blocky structure; firm; 0.2 very fine roots between peds; 1.0 fine irregular pores; 10 percent faint dark brown (10YR 3/3), moist, clay films; 1 percent fine faint strong brown (7.5YR 4/6), moist, masses of oxidized iron and 2 percent fine faint black (N 2/0), moist, iron-manganese masses; 2 percent fine threadlike gypsum masses; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # KSUR1148; observed in push tube. continuous - phpvsfiid 328103; continuous - phpvsfiid 328103

3Bty3—166 to 191 centimeters (65.4 to 75.2 inches);, brown (7.5YR 4/4) broken face, moist; silty clay; 45 percent clay; moderate medium prismatic structure; firm; 0.5 fine irregular pores; 5 percent dark brown (7.5YR 3/3), moist, clay films; 1 percent fine distinct dark grayish brown (10YR 4/2), moist, masses of reduced iron and 2 percent fine distinct strong brown (7.5YR 4/6), moist, masses of oxidized iron and 2 percent fine distinct black (N 2/0), moist, iron-manganese masses; 2 percent fine gypsum masses; 1 percent by volume chert fragments and 1 percent by volume shale, unspecified fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # KSUR1149; observed in push tube. continuous - phpvsfiid 328104; continuous - phpvsfiid 328104

3BC—191 to 220 centimeters (75.2 to 86.6 inches);, brown (7.5YR 4/4) broken face, moist; silty clay loam; 34 percent clay; weak medium prismatic structure; friable; 0.5 fine irregular pores; 5 percent dark brown (7.5YR 3/3), moist, clay films; 2 percent 4/2 4/2, moist, masses of reduced iron and 2 percent 5/3 5/3, moist, masses of reduced iron and 4 percent 4/6 4/6, moist, masses of oxidized iron and 5 percent black (N 2/0), moist, iron-manganese masses; 5 percent by volume limestone, cherty fragments; noneffervescent, by hcl, 1n; abrupt smooth boundary. Lab sample # KSUR1150; observed in push tube. continuous - phpvsfiid 328105; continuous - phpvsfiid 328105

4C—220 to 297 centimeters (86.6 to 116.9 inches);, pale red (2.5YR 7/2) broken face, moist; silt loam; 20 percent clay; massive; friable; 1.0 fine irregular pores; 5 percent dark brown (7.5YR 3/3), moist, clay films; 5 percent fine prominent black (N 2/0), moist, iron-manganese masses and 10 percent fine prominent yellowish brown (10YR 5/8), moist,; fragments; slight effervescence, by hcl, 1n.; observed in push tube. continuous - phpvsfiid 328106; continuous - phpvsfiid 328106