| *** Taxonomy Characterization Data *** |
| Pedon ID: S1991IL025017 | ( Clay, Illinois ) | Print Date: May 19 2024 6:58PM |
| Sampled as on Apr 14, 1991: | Snd |
| Revised to correlated: | Cisne ; Fine, montmorillonitic, mesic Mollic Ochraqualfs |
| United States Department of Agriculture | ||||
| SSL | - | Project | RP91IL139 CLAY COUNTY - SODIUM SOILS STUDY | Natural Resources Conservation Service |
| - | Site ID | S1991IL025017 Lat: 38° 46' 54.00" north Long: 88° 21' 46.99" west | National Soil Survey Center | |
| - | Pedon No. | 91P0576 | 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 | ||||||||||||
| 91P03237 | 0-25 | Ap | N | 16.7 | 0.58 | ||||||||
| 91P03238 | 25-50 | E | N | 17.0 | 0.46 | ||||||||
| 91P03239 | 50-75 | Bt1 | N | 39.1 | 0.51 | ||||||||
| 91P03240 | 75-150 | Bt2 | N | 37.6 | 0.47 | ||||||||
| 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 | 8D1 | 5D2 | ||||||||||||||||
| 91P03237 | 0-25 | Ap | N | 6.8 | 0.73 | 0.65 | -- | ||||||||||||
| 91P03238 | 25-50 | E | N | 5.2 | 0.41 | 0.48 | 0.35 | 1 | |||||||||||
| 91P03239 | 50-75 | Bt1 | N | 4.8 | 0.35 | 0.59 | 0.46 | 2 | |||||||||||
| 91P03240 | 75-150 | Bt2 | N | 5.0 | 0.22 | 0.63 | 0.53 | 3 | |||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.61 | (NA) | |
| Clay, carbonate free, Weighted Average | 38 | % wt | |
| Clay, total, Weighted Average | 38 | % wt | |
| Weighted averages based on control section: 50-100 cm | |||