| *** Taxonomy Characterization Data *** |
| Pedon ID: 91IL027010 | ( Clinton, Illinois ) | Print Date: Dec 8 2025 12:56PM |
| Sampled as : | Darmstadt-Hoylton |
| Revised to correlated on Mar 1, 2000: | Darmstadt ; Fine, smectitic, mesic Albic Natraqualf |
| United States Department of Agriculture | ||||
| SSL | - | Project | RP91IL140 CLINTON COUNTY-SODIUM SOILS STUDY | Natural Resources Conservation Service |
| - | Site ID | 91IL027010 | National Soil Survey Center | |
| - | Pedon No. | 91P0586 | 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 | ||||||||||||
| 91P03282 | 0-23 | Ap | N | 13.9 | 0.48 | ||||||||
| 91P03283 | 23-50 | Bt1 | N | 39.9 | 0.43 | ||||||||
| 91P03284 | 50-75 | Bt2 | N | 38.5 | 0.52 | ||||||||
| 91P03285 | 75-100 | Bt3 | N | 31.9 | 0.55 | ||||||||
| 91P03286 | 100-125 | Bt4 | N | 26.2 | 0.49 | ||||||||
| 91P03287 | 125-150 | Bt5 | N | 20.0 | 0.51 | ||||||||
| 91P03288 | 150-175 | Bt6 | N | 20.1 | 0.48 | ||||||||
| 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 | 8D1 | 8A3a | 5D2 | ||||||||||||||
| 91P03282 | 0-23 | Ap | N | 5.7 | 0.91 | 0.63 | 3 | ||||||||||||
| 91P03283 | 23-50 | Bt1 | N | 4.9 | 0.68 | -- | 0.61 | 0.60 | 9 | ||||||||||
| 91P03284 | 50-75 | Bt2 | N | 6.1 | 0.33 | 0.68 | 1.40 | 21 | |||||||||||
| 91P03285 | 75-100 | Bt3 | N | 7.4 | 0.09 | 0.76 | 2.81 | 25 | |||||||||||
| 91P03286 | 100-125 | Bt4 | N | 7.8 | 0.11 | 1 | 0.70 | 2.64 | 21 | ||||||||||
| 91P03287 | 125-150 | Bt5 | N | 7.6 | 0.06 | 0.72 | 1.82 | 19 | |||||||||||
| 91P03288 | 150-175 | Bt6 | N | 7.6 | 0.05 | 0.65 | 1.43 | 18 | |||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.64 | (NA) | |
| Clay, carbonate free, Weighted Average | 39 | % wt | |
| Clay, total, Weighted Average | 39 | % wt | |
| Weighted averages based on control section: 23-73 cm | |||