IDENTIFIERS

  • Current Taxon Name (Soil Name): Perchas
  • OSD
  • Series Extent
  • User Site ID: S1989PR101002
  • User Pedon ID: 89PR101002
  • Lab Information:
  • Certified Lab Pedon Description - yes
  • Lab Source ID - SSL
  • Lab Pedon # - 89P0406
  • NCSS Pedon Lab Data NASIS Record ID - 61510
  • Print Date: 12/4/2024

    • 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: 18.3255558
  • Std. Longitude: -66.4436111
  • Datum: WGS84
  • Location Description: Morivis Municipal P.R.; Arecebo ss sheet #31; 7.2 mi S on Hwy 149 from jct with Hwy 2; 3.0 mi E on Hwy 145 and 1000 feet NE of road in pasture
  • State: Puerto Rico
  • County: PR101—Morovis
  • MLRA: 272—Humid Coastal Plains

    • PEDON

  • Describers Name: D. Williams, C. Santiago
  • Current Taxonomic Class: Fine, smectitic, isohyperthermic Chromic Dystraquerts
  • Current Taxon Kind: series
  • Pedon Purpose: full pedon description
  • Pedon Record Orgin: Converted from SSL-CMS data
  • Pedon #: 2
  • Correlated Information:
  • Soil Name - Perchas
  • Classificaton Date - 11/3/2021
  • Soil Taxonomic Edition - twelfth edition
  • Sampled As Information:
  • Soil Name - Perchas
  • Taxonomic Class - Clayey, mixed Typic Ochraquults
  • Taxon Kind - series
  • PSC - 30 to 81 cm.
  • Classificaton Date - 2/1/1989
  • Moisture Class - udic
  • Dynamic Soil Properties:
  • Erosion Class - 1
  • Pedoderm Loose Cover Indicator - no
  • Hydric: no


    • SITE

  • Landform: hillside or mountainside
  • Geomorphic Component Hills: nose slope
  • Hill Slope Profile: summit
  • Runoff: medium
  • Drainage Class: poorly
  • Surface Fragments: 0.00 percent
  • Benchmark Soil?: no

    • VEGETATION

    SITE OBSERVATION

  • Observation Date: 2/1/1989 (actual site observation date)
  • Surface Cover Properties:
  • Site Obs. Cover Kind 1 - grass/herbaceous cover
  • Pedoderm Loose Cover Indicator - no
  • Drained? - no
  • Bedded Soil? - no
  • Forest Plantation? - no
  • Site Erosion Accelerated: water erosion
    • Pedon Diagnostic Features
    Feature Kind Feature Depth L-H Feature Thickness L-RV-H
    cm

    ochric epipedon

    argillic horizon

    0—20

    20—127

    —-

    —-
    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

    —

    —

    225

    —

    135

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    —

    3431

    —
    Ap1—0 to 10 centimeters (0.0 to 3.9 inches); brown (10YR 4/3) clay loam; 38 percent clay; 30 percent brown (7.5YR 4/4) fine distinct mottles; moderate fine and medium subangular blocky, and moderate fine granular structure; firm, moderately sticky, moderately plastic; 5.5 fine roots throughout; 1 percent by volume 2-39-75 millimeter igneous, unspecified fragments; moderately acid, pH 5.6, chlorophenol red; clear smooth boundary. Lab sample # 89P02276. many fine roots throughout; many fine distinct 7.5YR44 mottles
    Ap2—10 to 20 centimeters (3.9 to 7.9 inches); brown (10YR 4/3) clay; 43 percent clay; 11 percent dark reddish brown (5YR 3/4) medium and 30 percent brown (7.5YR 4/4) fine distinct mottles; moderate fine and medium subangular blocky, and moderate fine granular structure; firm, moderately sticky, moderately plastic; 5.5 fine roots throughout; 11 percent fine and medium spherical iron-manganese concretions; 1 percent by volume 2-39-75 millimeter igneous, unspecified fragments; moderately acid, pH 5.6, chlorophenol red; clear smooth boundary. Lab sample # 89P02277. 5% mixing of Bt in lower part, mottles are along root channels; common fine and medium iron-manganese concretions concentrations; many fine roots throughout; common medium 5YR34 mottles; many fine distinct 7.5YR44 mottles
    Bt1—20 to 30 centimeters (7.9 to 11.8 inches); light gray (10YR 7/2) clay; 52 percent clay; 1 percent yellowish red (5YR 5/8) fine distinct mottles; strong fine and medium blocky structure; firm, very sticky, very plastic; 2.5 fine roots throughout; 2.5 fine tubular pores; 15 percent distinct very dark gray (10YR 3/1), moist, clay films on all faces of peds; 1 percent medium platy iron-manganese concretions and 11 percent fine and medium spherical iron-manganese concretions; 1 percent by volume 2-39-75 millimeter igneous, unspecified fragments; moderately acid, pH 5.6, chlorophenol red; gradual boundary. Lab sample # 89P02278. mottles in matrix and along root channels; common fine and medium iron-manganese concretions concentrations; few medium iron-manganese concretions concentrations; few clay films surface features on vertical and horizontal faces of peds; common fine roots throughout; few fine distinct 5YR58 mottles; continuous - phpvsfiid 1923512; continuous - phpvsfiid 1923512
    Bt2—30 to 51 centimeters (11.8 to 20.1 inches); pale yellow (2.5Y 8/2) clay; 55 percent clay; 11 percent red (2.5YR 4/8) fine distinct mottles; strong medium and coarse angular blocky structure; firm, very sticky, very plastic; 0.5 fine roots throughout; 0.5 fine tubular pores; 15 percent distinct dark gray (10YR 4/1), moist, clay films on all faces of peds; 1 percent medium platy iron-manganese concretions and 11 percent fine and medium spherical iron-manganese concretions; 1 percent by volume 2-39-75 millimeter igneous, unspecified fragments; very strongly acid, pH 4.8, bromcresol green; clear smooth boundary. Lab sample # 89P02279. few striated small slickensides on 40 degree angle, few old roots, few quartz grains; common fine and medium iron-manganese concretions concentrations; few medium iron-manganese concretions concentrations; few clay films surface features on vertical and horizontal faces of peds; few fine roots throughout; common fine distinct 2.5YR48 mottles; continuous - phpvsfiid 1923513; continuous - phpvsfiid 1923513
    Bt3—51 to 76 centimeters (20.1 to 29.9 inches); pale yellow (2.5Y 8/2) clay; 45 percent clay; 11 percent dark red (2.5YR 3/6) fine distinct mottles; moderate medium and coarse angular blocky structure; firm, very sticky, very plastic; 0.5 fine roots throughout; 0.5 fine tubular pores; 15 percent distinct light gray (10YR 7/1), moist, clay films on all faces of peds; 11 percent fine irregular iron-manganese concretions and 30 percent medium platy iron-manganese concretions; 1 percent by volume 75-162-250 millimeter igneous, unspecified fragments and 5 percent by volume 2-39-75 millimeter igneous, unspecified fragments; very strongly acid, pH 4.8, bromcresol green; gradual boundary. Lab sample # 89P02280. few striated small slickensides on 40 degree angle, common quartz grains, dark stains along old root channels, many manganese concretions, few old roots, common large sand grains; many medium iron-manganese concretions concentrations; common fine iron-manganese concretions concentrations; few clay films surface features on vertical and horizontal faces of peds; few fine roots throughout; common fine distinct 2.5YR36 mottles; continuous - phpvsfiid 1923514; continuous - phpvsfiid 1923514
    Btc—76 to 127 centimeters (29.9 to 50.0 inches); 35 percent yellowish brown (10YR 5/6) and 65 percent pale yellow (5Y 8/2) sandy clay loam; 31 percent clay; 11 percent red (2.5YR 4/8) medium distinct and 11 percent strong brown (7.5YR 5/6) coarse distinct mottles; strong medium and coarse angular blocky structure; very firm, very sticky, very plastic; 0.5 fine roots throughout; 0.5 fine tubular pores; 15 percent distinct white (10YR 8/1), moist, slickensides (pedogenic) on all faces of peds; 11 percent medium irregular iron-manganese concretions; 1 percent by volume 75-162-250 millimeter igneous, unspecified fragments and 5 percent by volume 2-39-75 millimeter igneous, unspecified fragments; very strongly acid, pH 4.8, bromcresol green. Lab sample # 89P02281. common very small red plinthite bodies, 30% large manganese concretions, many large sand grains; common medium iron-manganese concretions concentrations; few intersecting slickensides surface features on vertical and horizontal faces of peds; few fine roots throughout; common medium distinct 2.5YR48 mottles; common coarse distinct 7.5YR56 mottles; continuous - phpvsfiid 1923515; continuous - phpvsfiid 1923515
    BC—127 to 206 centimeters (50.0 to 81.1 inches); 40 percent yellowish red (5YR 5/6) and 60 percent pale yellow (5Y 8/4) clay loam; 30 percent clay; 11 percent reddish brown (2.5YR 4/4) medium prominent and 11 percent strong brown (7.5YR 5/6) coarse prominent mottles; strong medium and coarse angular blocky structure; very firm, very sticky, very plastic; 0.5 fine roots throughout; 0.5 fine tubular pores; 15 percent distinct white (10YR 8/1), moist, slickensides (pedogenic) on all faces of peds; 1 percent medium irregular iron-manganese concretions; 2 percent by volume 75-162-250 millimeter igneous, unspecified fragments and 10 percent by volume 2-39-75 millimeter igneous, unspecified fragments; moderately acid, pH 5.8, bromcresol green; clear smooth boundary. Lab sample # 89P02282. many large intersecting slickensides that are polished and grooved, 15% manganese concretions; few medium iron-manganese concretions concentrations; few intersecting slickensides surface features on vertical and horizontal faces of peds; few fine roots throughout; common medium prominent 2.5YR44 mottles; common coarse prominent 7.5YR56 mottles; continuous - phpvsfiid 1923516; continuous - phpvsfiid 1923516
    2C—206 to 229 centimeters (81.1 to 90.2 inches); 40 percent weak red (10R 4/4) and 60 percent light greenish gray (5GY 7/1) sandy clay loam; 28 percent clay; 11 percent light brownish gray (10YR 6/2) medium distinct mottles; firm, moderately sticky, moderately plastic; 1 percent fine irregular iron-manganese concretions; fragments; moderately acid, pH 6.0, phenol red. Lab sample # 89P02283. auger sample, structure not determined; few fine iron-manganese concretions concentrations; common medium distinct 10YR62 mottles