| *** Taxonomy Characterization Data *** |
| Pedon ID: 1991IL113009 | ( McLean, Illinois ) | Print Date: Nov 11 2024 9:41PM |
| Sampled as on Sep 29, 1991: | Ipava ; Fine, montmorillonitic, mesic Aquic Argiudoll |
| Revised to correlated on Jun 13, 2007: | Ipava ; Fine, smectitic, mesic Aquic Argiudolls |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP91IL062 MCLEAN COUNTY | Natural Resources Conservation Service |
| - | Site ID | 1991IL113009 Lat: 40° 31' 24.18" north Long: 89° 1' 7.33" west MLRA: 108A | National Soil Survey Center | |
| - | Pedon No. | 91P0231 | Soil Survey Laboratory | |
| - | General Methods 1B1A, 2A1, 2B | Lincoln, Nebraska 68508-3866 | ||
| Taxonomy Tier 1 | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | |||
| Fine | CaCO3 | 1500 | .1-75 | Bulk | Cole | Vol | Resist | ||||||
| Clay | Clay | Clay | kPa | Clay | mm | Den | Whole | % of | Min | ||||
| Depth | <.002 | <.0002 | <.002 | /Clay | Est | Frac | 33 kPa | Soil | Whole | % | |||
| Layer | (cm) | Horz | Prep | (---------% of <2 mm-------) | (-------- % --------) | g cm-3 | cm cm-1 | ||||||
| 3A1a1a | 8D1 | ||||||||||||
| 91P01424 | 0-23 | Ap | S | 32.4 | 0.40 | 3 | |||||||
| 91P01425 | 23-48 | A | S | 34.1 | 0.40 | 2 | |||||||
| 91P01426 | 48-66 | Bt1 | S | 36.7 | 0.41 | 4 | 1 | ||||||
| 91P01427 | 66-84 | Bt2 | S | 44.0 | 0.41 | 21 | 12 | ||||||
| 91P01428 | 84-99 | Bt3 | S | 38.4 | 0.43 | 1 | |||||||
| 91P01429 | 99-140 | BC | S | 35.7 | 0.43 | 1 | |||||||
| 91P01430 | 140-152 | C | S | 29.8 | 0.44 | 1 | |||||||
| Taxonomy Tier 2 | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | -15- | -16- | |||
| pH | pH | Org | Tot | Al+½ Fe | CO3 as | (--- Base Sat ---) | NZ | ECEC | CEC7 | ECEC | Al | ||||||||
| Depth | H2O | NaF | C | C | Oxal | ODOE | CaCO3 | NH4 | Bases | P Ret | cmol(+) | /Clay | /Clay | Sat | E C | ESP | |||
| Layer | (cm) | Horz | Prep | (------------------------------------------ % --------------------------------------------) | kg -1 | % | dS m-1 | % | |||||||||||
| 4C1a2a | 6A1c | 6E1g | 5C1 | 5C3 | 8D1 | 5D2 | |||||||||||||
| 91P01424 | 0-23 | Ap | S | 6.9 | 3.08 | -- | 100* | 81 | 0.80 | tr | |||||||||
| 91P01425 | 23-48 | A | S | 6.7 | 2.56 | 97 | 80 | 0.76 | tr | ||||||||||
| 91P01426 | 48-66 | Bt1 | S | 6.3 | 1.27 | 93 | 77 | 0.66 | 1 | ||||||||||
| 91P01427 | 66-84 | Bt2 | S | 5.7 | 0.73 | 100* | 81 | 0.66 | 1 | ||||||||||
| 91P01428 | 84-99 | Bt3 | S | 6.1 | 0.43 | 94 | 78 | 0.68 | tr | ||||||||||
| 91P01429 | 99-140 | BC | S | 5.8 | 0.33 | 99 | 83 | 0.67 | 1 | ||||||||||
| 91P01430 | 140-152 | C | S | 6.3 | 0.24 | 100* | 91 | 0.70 | 1 | ||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.67 | (NA) | |
| Clay, carbonate free, Weighted Average | 39 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 8 | % wt | |
| Volume, >2mm, Weighted Average | 4 | % vol | |
| Clay, total, Weighted Average | 39 | % wt | |
| Weighted averages based on control section: 66-116 cm | |||