IDENTIFIERS

Current Taxon Name (Soil Name): Calflax

OSD

Series Extent

User Site ID: S1994CA019002

User Pedon ID: 1994CA019002

Lab Information:

Certified Lab Pedon Description - no

Lab Source ID - SSL

Lab Pedon # - 94P0325

NCSS Pedon Lab Data NASIS Record ID - 66503

Print Date: 2/16/2025

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: 36.4074479

Std. Longitude: -120.2515312

Datum: WGS84

Township: 17 south

Range: 16 east

Section: 32

PLSS Details: 2620 feet south and 1180 feet west of the NE corner

State: California

County: CA019—Fresno

MLRA: 17—Sacramento and San Joaquin Valleys

Non-MLRA Soil Survey Area: CA653—Fresno County, California, Western Part

7.5 Minute USGS Quad: 36120-D3—Tres Picos Farms, California

PEDON

Current Taxon Kind: taxadjunct

Pedon Type: taxadjunct to the series

Pedon Purpose: research site

Pedon Record Orgin: Converted from PDP 3.x

Correlated Information:

Soil Name - Calflax

Classificaton Date - 7/26/2012

Moisture Class - xeric

Sampled As Information:

Soil Name - Ciervo

Classificaton Date - 1/5/1993

Dynamic Soil Properties:

Erosion Class - 1

Pedoderm Loose Cover Indicator - no

Hydric: no

SITE

Landscape: upland

Landform: fan terrace

Anthropogenic Feature: leveled land

Runoff: medium

Drainage Class: well

Surface Fragments:

Benchmark Soil?: no

VEGETATION

SITE OBSERVATION

Observation Date: 1/5/1993 (actual site observation date)

Surface Cover Properties:

Pedoderm Loose Cover Indicator - no

Drained? - no

Bedded Soil? - no

Forest Plantation? - no

Site Erosion Accelerated: wind and water erosion

Pedon Horizon Lab Results - 1
Horizon	Top Depth	Bottom Depth	Sample ID	Data Collector	Total Clay	CaCO3 Clay	Total Silt	Fine Silt	Co. Silt	Total Sand	Total Sand Method	VC Sand	Co. Sand	Med. Sand	Fine Sand	VF Sand	VF Sand Method	Texture Class - Field Lab	Rubbed Fiber	Unrubbed Fiber	pH H2O
	cm	cm			%	%	%	%	%	%		%	%	%	%	%			%	%
Ap1 Ap1 A A Bw Bw Bkz1 Bkz1 Bkz2 Bkz2 Bk Bk C1 C1 C2 C2 C2 C3 C3 C3	0 0 28 28 57 57 74 74 122 122 161 161 179 179 206 206 206 236 236 236	28 28 57 57 74 74 122 122 161 161 179 179 206 206 236 236 236 266 266 266	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —

Pedon Horizon Lab Results - 2
Horizon	Top Depth	Bottom Depth	Sample ID	pH CaCl2	pH NaF	pH Ox	Delta pH	LL	PL	PI	Atter. Samp. Cond.	COLE	Pot. Acidity	Ca + Mg - Meh 2	K	Ca + Mg - Sat. Paste	KCl Extract. Acidity	Base Sat. - Meh 2	CEC-7	CEC-8.2
	cm	cm						%	%	%		cm/cm	meq/100g	cmol(+)/kg	cmol(+)/kg	mmol(+)/l	cmol(+)/kg	%	cmol(+)/kg	cmol(+)/kg
Ap1 Ap1 A A Bw Bw Bkz1 Bkz1 Bkz2 Bkz2 Bk Bk C1 C1 C2 C2 C2 C3 C3 C3	0 0 28 28 57 57 74 74 122 122 161 161 179 179 206 206 206 236 236 236	28 28 57 57 74 74 122 122 161 161 179 179 206 206 236 236 236 266 266 266	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —		— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —

Pedon Horizon Lab Results - 3
Horizon	Top Depth	Bottom Depth	Sample ID	ECEC	Phosphate P	NO3-N	EC	EC Method	EC 1:5 by volume	CaCO3 Equiv.	Equiv. Gypsum	Na	SAR	Gypsum Req.	Humic Color	Fulvic Color	Humic + Fulvic Color	Al	PI	Pyro. Hue	PyrO. Value	Pyro. Chroma
	cm	cm		cmol(+)/kg	mg/kg	mg/kg	dS/m		dS/m	%	%	mmol(+)/l	%	L-pcu/g	L-pcu/g	L-pcu/g	%
Ap1 Ap1 A A Bw Bw Bkz1 Bkz1 Bkz2 Bkz2 Bk Bk C1 C1 C2 C2 C2 C3 C3 C3	0 0 28 28 57 57 74 74 122 122 161 161 179 179 206 206 206 236 236 236	28 28 57 57 74 74 122 122 161 161 179 179 206 206 236 236 236 266 266 266	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —	— 1 — 3 — 3 — 1 — 1 — 3 — 1 — — 1 — — 2	— — — — — — — — — — — — — — — 3 — 44 — —	— — — — — — — — — — — — — — — — — — — —	4 — 5 — 5 — 3 — 3 — 3 — 3 — 3 — — — 3 —	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —	— — — — — — — — — — — — — — — — — — — —

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
—	—	—	84.4	—		—	—	—	—	—	—	—	—	—	—	—	—	—	—

Ap1—0 to 28 centimeters (0.0 to 11.0 inches); dark grayish brown (2.5Y 4/2) broken face, light brownish gray (2.5Y 6/2) broken face, dry; sandy clay loam; 46 percent sand; 23 percent silt; 30 percent clay; weak medium and coarse subangular blocky structure; firm, noncoherent, moderately sticky, moderately plastic; deformable; 0.5 fine and medium roots throughout; 0.5 very fine and fine tubular pores; carbonate threads and carbonate, finely disseminated; fragments; slight effervescence, by hcl, 1n; moderately alkaline, pH 8.4; abrupt smooth boundary. Lab sample # 94P2029

A—28 to 57 centimeters (11.0 to 22.4 inches); olive brown (2.5Y 4/3) broken face clay loam; 36 percent sand; 29 percent silt; 35 percent clay; moderate medium and coarse subangular blocky structure; firm, noncoherent, moderately sticky, moderately plastic; deformable; 0.5 fine and medium roots throughout; 0.5 very fine and fine tubular pores; carbonate, finely disseminated and 1 percent fine threadlike carbonate threads throughout; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.3; clear smooth boundary. Lab sample # 94P2030

Bw—57 to 74 centimeters (22.4 to 29.1 inches); olive brown (2.5Y 4/3) broken face clay loam; 29 percent sand; 38 percent silt; 33 percent clay; weak fine and medium subangular blocky structure; very friable, noncoherent, moderately sticky, moderately plastic; deformable; 0.5 fine and medium roots throughout; 3.0 very fine tubular and 0.5 fine tubular pores; carbonate, finely disseminated and 21 percent fine threadlike carbonate threads throughout; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.1; clear smooth boundary. Lab sample # 94P2031

Bkz1—74 to 122 centimeters (29.1 to 48.0 inches); olive brown (2.5Y 4/3) broken face clay loam; 36 percent sand; 37 percent silt; 27 percent clay; weak fine and medium subangular blocky structure; very friable, noncoherent, moderately sticky, moderately plastic; deformable; 0.5 very fine and fine roots throughout; 21.0 very fine to medium tubular pores; carbonate, finely disseminated and 21 percent fine threadlike carbonate threads throughout and 21 percent fine threadlike gypsum threads throughout; fragments; strong effervescence, by hcl, 1n; slightly alkaline, pH 7.8; abrupt smooth boundary. Lab sample # 94P2032

Bkz2—122 to 161 centimeters (48.0 to 63.4 inches); olive brown (2.5Y 4/3) broken face loam; 50 percent sand; 35 percent silt; 15 percent clay; massive; very friable, noncoherent, moderately sticky, slightly plastic; brittle; 21.0 very fine tubular and 0.5 fine and medium tubular pores; carbonate, finely disseminated and 21 percent fine threadlike gypsum threads throughout and 21 percent fine threadlike carbonate threads throughout; fragments; slight effervescence, by hcl, 1n; moderately alkaline, pH 7.9; clear smooth boundary. Lab sample # 94P2033

Bk—161 to 179 centimeters (63.4 to 70.5 inches); olive brown (2.5Y 4/3) broken face loam; 37 percent sand; 45 percent silt; 18 percent clay; massive; very friable, noncoherent, moderately sticky, slightly plastic; brittle; 21.0 very fine and fine tubular pores; carbonate, finely disseminated and 21 percent fine threadlike carbonate threads in cracks; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.0; abrupt smooth boundary. Lab sample # 94P2034

C1—179 to 206 centimeters (70.5 to 81.1 inches); olive brown (2.5Y 4/3) broken face loam; 46 percent sand; 35 percent silt; 19 percent clay; massive; very friable, noncoherent, slightly sticky, slightly plastic; deformable; 3.0 very fine tubular pores; carbonate, finely disseminated; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 8.0. Lab sample # 94P2035

C2—206 to 236 centimeters (81.1 to 92.9 inches); olive brown (2.5Y 4/3) rubbed clay loam; 35 percent sand; 35 percent silt; 30 percent clay; massive; noncoherent, moderately sticky, slightly plastic; deformable; carbonate, finely disseminated and 3 percent gypsum crystals, unspecified; fragments; strong effervescence, by hcl, 1n; slightly alkaline, pH 7.8. Lab sample # 94P2036

C3—236 to 266 centimeters (92.9 to 104.7 inches); olive brown (2.5Y 4/3) rubbed sandy clay loam; 55 percent sand; 22 percent silt; 22 percent clay; massive; noncoherent, slightly sticky, slightly plastic; deformable; carbonate, finely disseminated and 44 percent gypsum crystals, unspecified; fragments; strong effervescence, by hcl, 1n; moderately alkaline, pH 7.9. Lab sample # 94P2037