| *** Taxonomy Characterization Data *** |
| Pedon ID: 86IA005036 | ( Allamakee, Iowa ) | Print Date: Nov 12 2024 5:22AM |
| Sampled as on Sep 29, 1986: | Rollingstone ; Very-fine, montmorillonitic Typic Paleudalfs |
| Revised to correlated on Sep 1, 1992: | (unnamed) ; Fine, mixed, superactive, mesic Typic Hapludalf |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP87IA023 ALLAMAKEE COUNTY | Natural Resources Conservation Service |
| - | Site ID | S1986IA005036 Lat: 43° 26' 59.00" north Long: 91° 22' 20.00" west MLRA: 105 | National Soil Survey Center | |
| - | Pedon No. | 87P0067 | 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 | 3A1a1a | 8D1 | 4A1d | ||||||||||
| 87P00370 | 0-15 | Ap | S | 19.4 | 10.8 | 0.55 | 6 | 1.27 | 0.028 | 2 | |||
| 87P00371 | 15-23 | BE | S | 22.0 | 13.4 | 0.47 | 2 | -- | |||||
| 87P00372 | 23-34 | Bt1 | S | 27.1 | 17.3 | 0.47 | 2 | 1.40 | 0.034 | tr | |||
| 87P00373 | 34-47 | Bt2 | S | 28.4 | 18.6 | 0.48 | 4 | 1 | |||||
| 87P00374 | 47-80 | 2Bt1 | S | 65.5 | 51.1 | 0.40 | 66 | 49 | |||||
| 87P00375 | 80-120 | 2Bt2 | S | 53.5 | 32.4 | 0.43 | 78 | 0.74 | 0.080 | 41 | |||
| 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 | 5C1 | 5C3 | 5A3b | 8D1 | 5G1 | 5D2 | ||||||||||||
| 87P00370 | 0-15 | Ap | S | 6.5 | 2.01 | 100* | 85 | 0.85 | -- | ||||||||||
| 87P00371 | 15-23 | BE | S | 6.7 | 0.71 | 100* | 83 | 0.70 | -- | ||||||||||
| 87P00372 | 23-34 | Bt1 | S | 6.7 | 0.31 | 97 | 83 | 0.68 | -- | ||||||||||
| 87P00373 | 34-47 | Bt2 | S | 6.2 | 0.20 | 99 | 81 | 0.67 | 1 | ||||||||||
| 87P00374 | 47-80 | 2Bt1 | S | 5.4 | 0.31 | 87 | 73 | 37.6 | 0.63 | 0.57 | 5 | tr | |||||||
| 87P00375 | 80-120 | 2Bt2 | S | 7.1 | 0.33 | 100* | 88 | 0.68 | 1 | ||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.65 | (NA) | |
| Clay, carbonate free, Weighted Average | 47 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 36 | % wt | |
| Volume, >2mm, Weighted Average | 26 | % vol | |
| Clay, total, Weighted Average | 47 | % wt | |
| Weighted averages based on control section: 23-73 cm | |||