IDENTIFIERS

  • Current Taxon Name (Soil Name): Larkin
  • OSD
  • Series Extent
  • User Site ID: 77-ALF-058
  • User Pedon ID: 77ID057014
  • Vegetation Plot ID: 77-ALF-058
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - UIdaho
  • Lab Pedon # - 77-ID-2986
  • NCSS Pedon Lab Data NASIS Record ID - 83060
  • Print Date: 11/21/2024

    • 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: 46.6634000
  • Std. Longitude: -116.7521792
  • Datum: WGS84
  • Township: 38N
  • Range: 3W
  • Section: 6
  • PLSS Details: SW corner, NW 1/4, NE 1/4
  • Location Description: Latah County; approximately 76 meters west and 30 meters north of the southeast corner; Larkin series; graduate student site cultivated lentil residue
  • Country: US—United States
  • State: Idaho
  • County: ID057—Latah
  • MLRA: 9—Palouse and Nez Perce Prairies
  • Regional Office: NW—Northwest
  • MLRA Soil Survey Area: NW-MOS—Moscow, Idaho
  • Non-MLRA Soil Survey Area: ID057—Latah County, Idaho

    • PEDON

  • Describers Name: Karl Hipple
  • Pedon Purpose: research site
  • Pedon Record Orgin: Pedon PC 6.1B
  • Sampled As Information:
  • Soil Name - Larkin
  • Classificaton Date - 9/5/1977
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Parent Material: deep loess; possibly some volcanic ash in the upper part of horizon
  • Slope Position: upper third
  • Slope Shape Across: linear
  • Runoff: negligible
  • Drainage Class: well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/5/1977 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
    • 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

    AB

    Bt1

    Bt2

    Bt3

    Bt4

    Bt5

    0

    18

    31

    48

    69

    102

    142

    18

    31

    48

    69

    102

    142

    168

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    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

    AB

    Bt1

    Bt2

    Bt3

    Bt4

    Bt5

    0

    18

    31

    48

    69

    102

    142

    18

    31

    48

    69

    102

    142

    168

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    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

    AB

    Bt1

    Bt2

    Bt3

    Bt4

    Bt5

    0

    18

    31

    48

    69

    102

    142

    18

    31

    48

    69

    102

    142

    168

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    Vegetation Plot Plants
    Plant Symbol Scientific Name National Vernacular Name Plant Type Group Canopy Cover % Vegetation Stata Level

    PHMA5

    PIPO

    Physocarpus malvaceus

    Pinus ponderosa

    mallow ninebark

    ponderosa pine

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    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

    3

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    838

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    0

    600

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    120

    10

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    9

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    Ap1—0 to 18 centimeters (0.0 to 7.1 inches); dark brown (10YR 3/3), brown (10YR 5/3), dry; silt loam; 6 percent sand; 70 percent silt; 24 percent clay; weak coarse granular parts to weak fine granular structure; soft, very friable, slightly sticky, slightly plastic; many (6.0) very fine roots throughout and many (6.0) fine roots throughout; many (6.0) very fine interstitial and many (6.0) fine interstitial pores; fragments; clear smooth boundary. Lab sample # ID29861
    AB—18 to 31 centimeters (7.1 to 12.2 inches); very dark grayish brown (10YR 3/2), brown (10YR 5/3), dry; silt loam; 6 percent sand; 70 percent silt; 24 percent clay; weak coarse subangular blocky parts to weak fine subangular blocky structure; soft, very friable, slightly sticky, slightly plastic; many (6.0) very fine roots throughout and many (6.0) fine roots throughout; many (6.0) very fine tubular and many (6.0) fine tubular pores; fragments; clear wavy boundary. Lab sample # ID29862
    Bt1—31 to 48 centimeters (12.2 to 18.9 inches); brown (10YR 4/3), pale brown (10YR 6/3), dry; silty clay loam; 4 percent sand; 66 percent silt; 29 percent clay; moderate coarse subangular blocky parts to moderate medium subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; many (6.0) very fine roots throughout and many (6.0) fine roots throughout; many (6.0) very fine tubular and many (6.0) fine tubular pores; 10 percent faint clay films on surfaces along pores and 10 percent faint clay films on all faces of peds; fragments; clear wavy boundary. Lab sample # ID29863
    Bt2—48 to 69 centimeters (18.9 to 27.2 inches); very dark grayish brown (10YR 3/2), light yellowish brown (10YR 6/4), dry; silty clay loam; 6 percent sand; 66 percent silt; 29 percent clay; moderate medium prismatic parts to moderate fine angular blocky structure; hard, firm, moderately sticky, moderately plastic; many (6.0) very fine roots throughout and many (6.0) fine roots throughout; many (6.0) very fine tubular and many (6.0) fine tubular pores; 25 percent distinct reddish brown (5YR 5/4), moist, clay films on surfaces along pores and 25 percent distinct reddish brown (5YR 5/4), moist, clay films on all faces of peds; fragments; gradual wavy boundary. Lab sample # ID29864
    Bt3—69 to 102 centimeters (27.2 to 40.2 inches); dark yellowish brown (10YR 4/4), light yellowish brown (10YR 6/4), dry; silty clay loam; 4 percent sand; 67 percent silt; 29 percent clay; moderate coarse prismatic parts to moderate medium angular blocky structure; hard, firm, moderately sticky, moderately plastic; common (4.0) fine roots throughout; many (6.0) very fine tubular and many (6.0) fine tubular pores; 25 percent distinct reddish brown (5YR 5/4), moist, clay films on all faces of peds and 25 percent distinct reddish brown (5YR 5/4), moist, clay films on surfaces along pores; fragments; gradual wavy boundary. Lab sample # ID29865
    Bt4—102 to 142 centimeters (40.2 to 55.9 inches); dark yellowish brown (10YR 4/4), light yellowish brown (10YR 6/4), dry; silty clay loam; 5 percent sand; 67 percent silt; 28 percent clay; moderate medium prismatic parts to moderate fine prismatic structure; hard, firm, moderately sticky, moderately plastic; common (4.0) fine roots throughout; many (6.0) very fine tubular and many (6.0) fine tubular pores; 25 percent distinct reddish brown (5YR 5/4), moist, clay films on surfaces along pores and 25 percent distinct reddish brown (5YR 5/4), moist, clay films on all faces of peds; fragments; gradual wavy boundary. Lab sample # ID29866
    Bt5—142 to 168 centimeters (55.9 to 66.1 inches); brown (7.5YR 4/2), weak red (7.5R 5/2), dry; silty clay loam; 4 percent sand; 65 percent silt; 31 percent clay; moderate fine subangular blocky, and moderate coarse subangular blocky structure; slightly hard, friable, moderately sticky, moderately plastic; few (0.1) fine roots throughout; many (6.0) fine tubular pores; 10 percent faint reddish brown (5YR 5/4), moist, clay films on surfaces along pores and 10 percent faint reddish brown (5YR 5/4), moist, clay films on all faces of peds; fragments. Lab sample # ID29867