IDENTIFIERS

Current Taxon Name (Soil Name): Irwin

User Site ID: 06KS127001

User Pedon ID: 06KS127001

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 # - 06KS127001

NCSS Pedon Lab Data NASIS Record ID - 40837

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: 38.5324249

Std. Longitude: -96.5148010

Datum: WGS84

Township: 175

Range: 8E

Section: 34

State: Kansas

County: KS127—Morris

MLRA: 76—Bluestem Hills

Non-MLRA Soil Survey Area: KS127—Morris County, Kansas

7.5 Minute USGS Quad: 38096-E5—Wilsey SE, Kansas

PEDON

Describers Name: DeAnn Presley

Current Taxonomic Class: Fine, smectitic, mesic Typic Natrustolls

Pedon Purpose: research site

Pedon Record Orgin: NASIS

Sampled As Information:

Soil Name - Irwin

Taxonomic Class - Fine, smectitic, mesic Typic Natrustolls

PSC - 13 to 63 cm.

Classificaton Date - 7/27/2006

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

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

Geomorphic Component Hills: interfluve

Hill Slope Profile: summit

Slope Shape Across: concave

Slope Shape Down: concave

Flooding: none flooding

Ponding: none ponding

Geology: Chase group .

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 7/27/2006 (actual site observation date)

Surface Cover Properties:

Site Obs. Cover Kind 1 - grass/herbaceous cover

Site Obs. Cover Kind 2 - pastureland, tame

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 abrupt textural change redox concentrations secondary carbonates lithologic discontinuity lithologic discontinuity paralithic contact	0—51 13—87 13—14 26—87 51—75 75—87 87— 87—	—- —- —- —- —- —- —- —-

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
0	—	—	452	—		—	—	—	—	—	—	—	—	—	—	—	—	—	—

A—0 to 13 centimeters (0.0 to 5.1 inches);, very dark grayish brown (10YR 3/2), moist; silt loam; 20 percent clay; weak medium subangular blocky structure; friable; 1.0 fine roots throughout; 0.5 fine dendritic tubular pores; fragments; noneffervescent, by hcl, 1n; abrupt smooth boundary. Lab sample # KSUR1907; observed in push tube

Btn1—13 to 26 centimeters (5.1 to 10.2 inches);, very dark brown (10YR 2/2), moist; silty clay; 45 percent clay; moderate medium prismatic structure; very firm; 0.5 fine roots between peds; 0.5 fine dendritic tubular pores; 10 percent faint very dark brown (10YR 2/2), moist, organoargillans on all faces of peds; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # KSUR1908; observed in push tube. discontinuous - phpvsfiid 335949; discontinuous - phpvsfiid 335949

Btn2—26 to 42 centimeters (10.2 to 16.5 inches);, very dark brown (10YR 2/2), moist; silty clay; 45 percent clay; moderate medium prismatic structure; very firm; 0.5 fine roots between peds; 0.5 fine dendritic tubular pores; 20 percent faint very dark brown (10YR 2/2), moist, organoargillans on all faces of peds; 2 percent fine distinct dark yellowish brown (10YR 4/4), moist, masses of oxidized iron; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # KSUR1909; observed in push tube. discontinuous - phpvsfiid 335950; discontinuous - phpvsfiid 335950

Btn3—42 to 51 centimeters (16.5 to 20.1 inches);, dark brown (10YR 3/3), moist; silty clay; 45 percent clay; moderate medium prismatic structure; very firm; 0.5 fine roots between peds; 0.5 fine dendritic tubular pores; 20 percent dark brown (10YR 3/3), moist, clay films on all faces of peds; 2 percent fine distinct black (N 2.5/), moist, iron-manganese masses and 2 percent fine distinct dark yellowish brown (10YR 4/4), moist, masses of oxidized iron; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # KSUR1910; observed in push tube

Btkn—51 to 75 centimeters (20.1 to 29.5 inches);, dark grayish brown (10YR 4/2), moist; silty clay; 45 percent clay; moderate medium prismatic structure; very firm; 0.5 fine roots between peds; 0.5 fine dendritic tubular pores; 5 percent dark brown (10YR 3/3), moist, clay films on all faces of peds; 2 percent fine distinct strong brown (7.5YR 4/6), moist, iron depletions and 2 percent fine distinct black (N 2.5/), moist, iron-manganese masses; 2 percent carbonate nodules; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # KSUR1911; observed in push tube

2Btn—75 to 87 centimeters (29.5 to 34.3 inches);, brown (7.5YR 4/3), moist; silty clay loam; 38 percent clay; moderate medium subangular blocky structure; firm; 0.5 fine dendritic tubular pores; 5 percent dark brown (7.5YR 3/3), moist, clay films on all faces of peds; 2 percent fine distinct brown (10YR 5/3), moist, iron depletions and 2 percent fine distinct black (N 2.5/), moist, iron-manganese masses and 10 percent fine distinct strong brown (7.5YR 4/6), moist, masses of oxidized iron; fragments; noneffervescent, by hcl, 1n; abrupt smooth boundary. Lab sample # KSUR1912; observed in push tube

3Cr—87 to 88 centimeters (34.3 to 34.6 inches);, light gray (10YR 7/2), moist; fragments; violent effervescence, by hcl, 1n.; observed in push tube