IDENTIFIERS

  • Current Taxon Name (Soil Name): Alloway
  • OSD
  • Series Extent
  • User Site ID: S1971MD033001
  • User Pedon ID: 71MD033001
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 40A1272
  • NCSS Pedon Lab Data NASIS Record ID - 34881
  • 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: 39.0113495
  • Std. Longitude: -76.8523789
  • Datum: WGS84
  • Location Description: Agricultural Research Center on Soil Conservation Road 1 and a half miles north of Glenn Dale Road on Old Hill Culture Site, 100 feet south and 15 feet west of SW corner of frame shed in back of house
  • State: Maryland
  • County: MD033—Prince George's
  • Non-MLRA Soil Survey Area: MD033—Prince George's County, Maryland

    • PEDON

  • Describers Name: C. S. Holzhey, E. J. Pedersen, and R. D. Yeck
  • Current Taxonomic Class: Fine-silty, mixed, subactive, mesic Aquic Paleudults
  • Current Taxon Kind: taxadjunct
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from PDP 3.x
  • Pedon #: 1
  • Correlated Information:
  • Soil Name - Alloway
  • PSC - 40 to 90 cm.
  • Classificaton Date - 1/25/2013
  • Classifier - Susan Demas
  • Soil Taxonomic Edition - eleventh edition
  • Moisture Class - udic
  • Moisture Subclass - aquic
  • Sampled As Information:
  • Soil Name - CHRISTIANA
  • Classificaton Date - 6/23/1971
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no
  • Certification Status: certified
  • QC Status: level 1


    • SITE

  • Drainage Class: moderately well
  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 6/23/1971 (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

    ochric epipedon

    argillic horizon

    0—40

    40—145

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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

    2

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    Ap—0 to 24 centimeters (0.0 to 9.4 inches); yellowish brown (10YR 5/4), very pale brown (10YR 7/4), dry; silt loam; weak fine granular structure; slightly hard, friable, slightly sticky, slightly plastic; 21.0 fine and medium roots; 21.0 fine pores; fragments; clear wavy boundary. Lab sample # 40A09665; moist when described;
    B—24 to 40 centimeters (9.4 to 15.7 inches); strong brown (7.5YR 5/6) clay loam; weak medium prismatic parts to moderate medium platy structure; hard when dry, firm, slightly sticky, slightly plastic; 3.0 fine roots; 3.0 fine pores; black stains on faces of peds; fragments; clear irregular boundary. Lab sample # 40A09666; moist when described;
    Bt1—40 to 51 centimeters (15.7 to 20.1 inches); red (2.5YR 4/6) silty clay loam; moderate medium prismatic structure; firm, slightly sticky, slightly plastic; 0.5 fine roots; 3.0 fine pores; fragments; gradual wavy boundary. Lab sample # 40A09667; moist when described;
    Bt3—51 to 75 centimeters (20.1 to 29.5 inches); red (10R 5/6) interior and reddish yellow (7.5YR 7/6) and yellowish red (5YR 5/6) and white (N 8/0) silty clay loam; weak coarse prismatic structure; very hard, very firm, slightly sticky, slightly plastic; 0.5 very fine roots; clay films in root channels and/or pores; fragments; gradual wavy boundary. Lab sample # 40A09669; moist when described;. patchy - phpvsfiid 1060766; patchy - phpvsfiid 1060766
    Bt2—51 to 75 centimeters (20.1 to 29.5 inches); red (2.5YR 5/6) and light gray (N 7/0) and strong brown (7.5YR 5/6) silty clay loam; moderate coarse prismatic structure; very hard, very firm, slightly sticky, slightly plastic; 0.5 fine roots; 0.5 pores; fragments; gradual wavy boundary. Lab sample # 40A09668; moist when described;
    Bt4—75 to 115 centimeters (29.5 to 45.3 inches); red (10R 5/6) and reddish yellow (7.5YR 7/6) and yellowish red (5YR 5/6) and white (N 8/0) silty clay loam; weak coarse prismatic structure; 0.0 roots; 0.1 fine pores; fragments. Lab sample # 40A09670; moist when described;
    Bt5—115 to 145 centimeters (45.3 to 57.1 inches); red (10R 4/8) crushed and red (10R 4/6) silty clay loam; very coarse platy structure; very hard, very firm, slightly sticky, slightly plastic; fragments. Lab sample # 40A09671; moist when described;