IDENTIFIERS

Current Taxon Name (Soil Name): Irwin

User Site ID: 05KS161010

User Pedon ID: 05KS161010

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 # - 05KS161010

NCSS Pedon Lab Data NASIS Record ID - 40803

Print Date: 6/3/2024

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: 39.4212914

Std. Longitude: -96.7725525

Datum: WGS84

Township: 7S

Range: 6E

Section: 28

PLSS Details: NW 1/4 of NW 1/4

Location Description: Site is located one mile south of the town of Randolph, Kansas.

State: Kansas

County: KS161—Riley

MLRA: 76—Bluestem Hills

Non-MLRA Soil Survey Area: KS161—Riley County, Kansas

7.5 Minute USGS Quad: 39096-D7—Randolph, Kansas

PEDON

Describers Name: DeAnn Presley

Current Taxonomic Class: Fine, smectitic, mesic Typic Paleustolls

Pedon Purpose: research site

Pedon Record Orgin: NASIS

Sampled As Information:

Soil Name - Irwin

Taxonomic Class - Fine, smectitic, mesic Typic Paleustolls

PSC - 25 to 75 cm.

Classificaton Date - 7/9/2005

Dynamic Soil Properties:

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Parent Material: clayey loess over colluvium over colluvium over residuum

Landscape: upland

Landform: hillside

Geomorphic Component Hills: interfluve

Hill Slope Profile: backslope

Slope Complexity: complex

Runoff: high

Flooding: none flooding

Ponding: none ponding

Bedrock: at 242cm

Geology: Chase group .

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 7/9/2005 (actual site observation 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 redox concentrations secondary carbonates gypsum accumulations lithologic discontinuity lithologic discontinuity lithologic discontinuity paralithic contact	0—48 25—242 25—242 76—114 114—216 114—177 177—242 242— 242—	—48— —217— —217— —38— —102— —63— —65— —- —-

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	—	—	380	—		—	—	—	—	—	—	—	—	—	—	—	—	—	—

Ap—0 to 25 centimeters (0.0 to 9.8 inches); very dark gray (10YR 3/1) broken face silty clay loam; 35 percent clay; moderate fine subangular blocky parts to moderate medium subangular blocky structure; slightly hard, friable; 1.0 fine roots top of horizon; 0.5 fine dendritic tubular pores; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # KSUR0944; observed in push tube

Bt1—25 to 48 centimeters (9.8 to 18.9 inches);, very dark grayish brown (10YR 3/2) broken face and dark grayish brown (10YR 4/2) broken face, moist; silty clay; 42 percent clay; moderate fine prismatic structure; moderately hard, friable; 0.5 fine roots top of horizon; 0.5 fine irregular pores; 5 percent distinct very dark grayish brown (10YR 3/2), moist, clay films on all faces of peds; 1 percent fine distinct iron-manganese masses; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # KSUR0945; observed in push tube. continuous - phpvsfiid 327347; continuous - phpvsfiid 327347

Bt2—48 to 76 centimeters (18.9 to 29.9 inches);, dark grayish brown (10YR 4/2) broken face, moist; clay; 55 percent clay; moderate medium prismatic structure; very hard, very firm; 0.5 very fine roots between peds; 0.5 fine irregular pores; 10 percent distinct dark brown (10YR 3/3), moist, clay films on all faces of peds; 1 percent fine faint dark yellowish brown (10YR 4/6), moist, masses of oxidized iron and 1 percent fine distinct iron-manganese masses; fragments; noneffervescent, by hcl, 1n; abrupt smooth boundary. Lab sample # KSUR0946; observed in push tube. continuous - phpvsfiid 327348; continuous - phpvsfiid 327348

Btk—76 to 114 centimeters (29.9 to 44.9 inches);, brown (7.5YR 4/3) broken face, moist; silty clay; 44 percent clay; moderate medium prismatic structure; moderately hard, firm; 0.5 very fine roots between peds; 0.5 fine irregular pores; 10 percent distinct dark brown (7.5YR 3/3), moist, clay films on all faces of peds; 1 percent fine faint brown (10YR 5/3), moist, iron-manganese masses and 10 percent fine prominent strong brown (7.5YR 4/6), moist, masses of oxidized iron; 2 percent fine dendritic carbonate masses and 5 percent fine dendritic carbonate nodules; fragments; noneffervescent, by hcl, 1n; clear smooth boundary. Lab sample # KSUR0947; observed in push tube. continuous - phpvsfiid 327349; continuous - phpvsfiid 327349

2Bt—114 to 140 centimeters (44.9 to 55.1 inches);, dark brown (7.5YR 3/3) broken face, moist; silty clay; 40 percent clay; moderate fine prismatic structure; slightly hard, friable; 0.2 very fine roots between peds; 1.0 fine irregular pores; 10 percent distinct dark brown (7.5YR 3/2), moist, clay films on all faces of peds; 5 percent fine prominent strong brown (7.5YR 4/6), moist, masses of oxidized iron; 2 percent fine distinct light brownish gray (10YR 6/2), moist, gypsum masses; 5 percent by volume unspecified fragments; noneffervescent, by hcl, 1n; gradual smooth boundary. Lab sample # KSUR0948; observed in push tube. continuous - phpvsfiid 327350; continuous - phpvsfiid 327350

2Bty1—140 to 177 centimeters (55.1 to 69.7 inches);, dark brown (7.5YR 3/3) broken face, moist; silty clay; 40 percent clay; moderate medium subangular blocky structure; slightly hard, friable; 0.2 very fine roots between peds; 1.0 fine irregular pores; 10 percent distinct dark brown (7.5YR 3/2), moist, clay films on all faces of peds; 5 percent fine prominent strong brown (7.5YR 4/6), moist, masses of oxidized iron; 2 percent fine distinct light brownish gray (10YR 6/2), moist, gypsum masses; fragments; noneffervescent, by hcl, 1n; gradual smooth boundary. Lab sample # KSUR0949; observed in push tube. continuous - phpvsfiid 327351; continuous - phpvsfiid 327351

3Bty2—177 to 216 centimeters (69.7 to 85.0 inches);, reddish brown (5YR 4/4) broken face, moist; silty clay; 40 percent clay; moderate fine prismatic structure; very hard, very firm; 0.2 very fine roots between peds; 1.0 fine irregular pores; 10 percent distinct dark reddish brown (5YR 3/3), moist, clay films on all faces of peds; 2 percent fine distinct yellowish red (5YR 4/6), moist, masses of oxidized iron and 5 percent fine distinct masses of oxidized iron; 1 percent fine distinct light brownish gray (10YR 6/2), moist, gypsum masses; fragments; noneffervescent, by hcl, 1n; gradual smooth boundary. Lab sample # KSUR0950; observed in push tube. continuous - phpvsfiid 327352; continuous - phpvsfiid 327352

3Bt—216 to 242 centimeters (85.0 to 95.3 inches);, yellowish red (5YR 4/6) broken face and (5YR 4/4) broken face, moist; clay; 50 percent clay; weak fine subangular blocky structure; extremely hard, extremely firm; 0.2 very fine roots between peds; 0.5 fine irregular pores; 10 percent distinct dark reddish brown (5YR 3/3), moist, clay films on all faces of peds; 2 percent fine distinct yellowish red (5YR 4/6), moist, masses of oxidized iron; fragments; noneffervescent, by hcl, 1n; gradual smooth boundary. Lab sample # KSUR0951; observed in push tube. continuous - phpvsfiid 327353; continuous - phpvsfiid 327353

4Cr—242 to 255 centimeters (95.3 to 100.4 inches); 0.2 very fine roots between peds; fragments; noneffervescent, by hcl, 1n.; observed in push tube