IDENTIFIERS

  • Current Taxon Name (Soil Name): Ava
  • OSD
  • Series Extent
  • User Site ID: S1991IL055005
  • User Pedon ID: 91IL055005
  • Lab Information:
  • Certified Lab Pedon Description - no
  • Lab Source ID - SSL
  • Lab Pedon # - 91P1001
  • NCSS Pedon Lab Data NASIS Record ID - 64038
  • Print Date: 4/26/2025

    • LOCATION

  • State: Illinois
  • County: IL055—Franklin

    • PEDON

  • Current Taxonomic Class: Fine-silty, mixed, superactive, mesic Fragic Oxyaquic Hapludalfs
  • Current Taxon Kind: taxadjunct
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 5
  • Correlated Information:
  • Soil Name - Ava
  • Classificaton Date - 6/15/2007
  • Moisture Class - udic
  • Moisture Subclass - oxyaquic
  • Sampled As Information:
  • Soil Name - Ava
  • Taxonomic Class - Fine-silty, mixed, mesic Typic Fragiudalf
  • Taxon Kind - series
  • Classificaton Date - 9/1/1991
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Surface Fragments:
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 9/1/1991 (actual site observation date)
  • Surface Cover Properties:
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • 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

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    Ap—0 to 15 centimeters (0.0 to 5.9 inches); brown (10YR 4/3) silt loam; 1 percent dark yellowish brown (10YR 4/4) fine mottles; weak medium and coarse platy, and weak medium granular structure; friable; 2.5 very fine and fine roots; 1 percent fine spherical iron-manganese masses; fragments; neutral, pH 7.0, hellige-truog; abrupt smooth boundary. Lab sample # 91P06267. few fine soft masses of iron-manganese concentrations; common very fine and fine roots; few fine 10YR44 mottles
    Bt1—15 to 30 centimeters (5.9 to 11.8 inches); yellowish brown (10YR 5/4) silty clay loam; 1 percent yellowish brown (10YR 5/6) medium distinct mottles; weak medium prismatic, and weak medium subangular blocky, and weak medium angular blocky structure; firm; 2.5 very fine and fine roots; 1 percent fine spherical iron-manganese masses; fragments; neutral, pH 6.8, hellige-truog; clear smooth boundary. Lab sample # 91P06268. few fine soft masses of iron-manganese concentrations; common very fine and fine roots; few medium distinct 10YR56 mottles
    Bt2—30 to 41 centimeters (11.8 to 16.1 inches); yellowish brown (10YR 5/4) silty clay loam; 11 percent yellowish brown (10YR 5/6) fine and medium distinct mottles; moderate fine and medium angular blocky structure; firm; 2.5 very fine and fine roots; fragments; extremely acid, pH 4.4, hellige-truog; clear smooth boundary. Lab sample # 91P06269. common very fine and fine roots; common fine and medium distinct 10YR56 mottles
    BE—41 to 51 centimeters (16.1 to 20.1 inches); brown (10YR 5/3) silty clay loam; 30 percent dark yellowish brown (10YR 4/6) medium distinct and 30 percent yellowish brown (10YR 5/6) medium distinct mottles; strong medium angular blocky structure; firm; 2.5 very fine and fine roots; fragments; extremely acid, pH 4.4, hellige-truog; clear smooth boundary. Lab sample # 91P06270. common very fine and fine roots; many medium distinct 10YR46 mottles; many medium distinct 10YR56 mottles
    B't1—51 to 64 centimeters (20.1 to 25.2 inches); brown (10YR 5/3) silty clay loam; 1 percent light brownish gray (10YR 6/2) fine faint and 11 percent yellowish brown (10YR 5/6) medium distinct mottles; moderate medium prismatic, and moderate medium angular blocky structure; firm; 2.5 fine roots; fragments; extremely acid, pH 4.4, hellige-truog; clear smooth boundary. Lab sample # 91P06271. common fine roots; few fine faint 10YR62 mottles; common medium distinct 10YR56 mottles
    B't2—64 to 94 centimeters (25.2 to 37.0 inches); brown (10YR 5/3) silty clay loam; 11 percent light brownish gray (10YR 6/2) medium faint and 11 percent yellowish brown (10YR 5/6) medium distinct mottles; moderate medium prismatic, and moderate medium angular blocky structure; firm; 2.5 fine roots; fragments; extremely acid, pH 4.4, hellige-truog; gradual smooth boundary. Lab sample # 91P06272. common fine roots; common medium distinct 10YR56 mottles; common medium faint 10YR62 mottles
    2Bt3—94 to 122 centimeters (37.0 to 48.0 inches); brown (10YR 5/3) silty clay loam; 11 percent dark yellowish brown (10YR 4/6) medium distinct and 11 percent yellowish brown (10YR 5/6) medium distinct and 11 percent light brownish gray (10YR 6/2) medium faint mottles; moderate coarse prismatic, and weak medium subangular blocky structure; firm; brittle; 0.5 fine roots; fragments; extremely acid, pH 4.4, hellige-truog; gradual smooth boundary. Lab sample # 91P06273. few fine barite fragments; few fine roots; common medium distinct 10YR46 mottles; common medium distinct 10YR56 mottles; common medium faint 10YR62 mottles
    2Bt4—122 to 145 centimeters (48.0 to 57.1 inches); brown (7.5YR 4/4) silt loam; weak coarse prismatic structure; firm; brittle; 0.5 fine roots; fragments; very strongly acid, pH 4.6, hellige-truog; gradual smooth boundary. Lab sample # 91P06274. few fine barite fragments; few fine roots
    2Bt5—145 to 185 centimeters (57.1 to 72.8 inches); brown (7.5YR 5/4) silt loam; weak coarse prismatic structure; firm; 0.5 fine roots; fragments; strongly acid, pH 5.2, hellige-truog; clear smooth boundary. Lab sample # 91P06275. few fine roots
    3Bt1b—185 to 213 centimeters (72.8 to 83.9 inches); light brown (7.5YR 6/4) silty clay loam; moderate medium prismatic, and moderate medium angular blocky structure; firm; fragments; strongly acid, pH 5.2, hellige-truog; clear smooth boundary. Lab sample # 91P06276. few medium subangular chert and sandstone
    3Bt2b—213 to 226 centimeters (83.9 to 89.0 inches); light brown (7.5YR 6/4) silty clay loam; 1 percent red (2.5YR 4/6) fine prominent mottles; moderate medium prismatic, and moderate medium angular blocky structure; firm; fragments; moderately acid, pH 5.6, hellige-truog; clear smooth boundary. Lab sample # 91P06277. few fine and medium subangular chert; few fine prominent 2.5YR46 mottles
    3Bt3b—226 to 249 centimeters (89.0 to 98.0 inches); light brown (7.5YR 6/4) silty clay loam; 1 percent red (2.5YR 4/6) fine prominent mottles; moderate coarse prismatic, and moderate medium angular blocky structure; firm; fragments; moderately acid, pH 5.8, hellige-truog; abrupt smooth boundary. few fine and medium subangular chert; few fine prominent 2.5YR46 mottles
    4Bt4b—249 to 269 centimeters (98.0 to 105.9 inches); yellowish brown (10YR 5/4) silty clay; 11 percent red (2.5YR 4/6) medium prominent mottles; moderate medium prismatic, and moderate fine angular blocky structure; firm; fragments; moderately acid, pH 6.0, hellige-truog; clear smooth boundary. Lab sample # 91P06279. few medium subangular chert; common medium prominent 2.5YR46 mottles
    4Cr1—269 to 300 centimeters (105.9 to 118.1 inches); fragments; slightly acid, pH 6.2, hellige-truog. Lab sample # 91P06280. 25% of horizon is (2.5Y 6/2) shale layers with (10YR 2/1) streaks; 75% of horizon is (10YR 4/4) surface of horizontal plates and (10YR 6/4) cross section matrix; sandstone
    4Cr2—300 to 320 centimeters (118.1 to 126.0 inches); fragments; slightly acid, pH 6.2, hellige-truog. Lab sample # 91P06281. (10YR 4/4) surface of horizontal plates; (10YR 6/4) cross section matrix; sandstone; no shale