| *** Taxonomy Characterization Data *** |
| Pedon ID: 86IA005043 | ( Allamakee, Iowa ) | Print Date: Nov 12 2024 5:14AM |
| Sampled as on Sep 29, 1986: | Rollingstone ; Very-fine, montmorillonitic Typic Paleudalfs |
| Revised to correlated on Sep 1, 1992: | (unnamed) ; Fine, mixed, active, mesic Typic Hapludalf |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP87IA023 ALLAMAKEE COUNTY | Natural Resources Conservation Service |
| - | Site ID | S1986IA005043 Lat: 43° 29' 23.00" north Long: 91° 21' 9.99" west MLRA: 105 | National Soil Survey Center | |
| - | Pedon No. | 87P0074 | 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 | 3A1a1a | 8D1 | 4A1d | |||||||||
| 87P00423 | 0-8 | A | S | 16.0 | 6.5 | 0.79 | 8 | 1.26 | 0.018 | 2 | |||
| 87P00424 | 8-19 | E1 | S | 14.7 | 3.8 | 0.49 | 8 | 2 | |||||
| 87P00425 | 19-33 | E2 | S | 17.2 | 5.5 | 0.38 | 10 | 1.46 | 0.007 | 3 | |||
| 87P00426 | 33-50 | 2Bt1 | S | 28.3 | 14.4 | 0.39 | 20 | 10 | |||||
| 87P00427 | 50-66 | 2Bt2 | S | 49.7 | 32.6 | 0.37 | 47 | 1.35 | 0.039 | 26 | |||
| 87P00428 | 66-94 | 3Bt1 | S | 63.6 | 40.9 | 0.39 | 48 | 36 | |||||
| 87P00429 | 94-132 | 3Bt2 | S | 71.4 | 27.2 | 0.38 | 54 | 1.10 | 0.071 | 30 | |||
| 87P00430 | 132-150 | 3BC | S | 37.3 | 24.1 | 1.4 | 0.47 | 58 | 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 | 6E1g | 5C1 | 5C3 | 8D1 | 5D2 | |||||||||||||
| 87P00423 | 0-8 | A | S | 5.3 | 4.19 | 99 | 66 | 1.38 | tr | ||||||||||
| 87P00424 | 8-19 | E1 | S | 6.0 | 0.62 | 83 | 64 | 0.56 | 1 | ||||||||||
| 87P00425 | 19-33 | E2 | S | 6.4 | 0.30 | 83 | 68 | 0.52 | -- | ||||||||||
| 87P00426 | 33-50 | 2Bt1 | S | 6.2 | 0.22 | 87 | 74 | 0.50 | 1 | ||||||||||
| 87P00427 | 50-66 | 2Bt2 | S | 6.1 | 0.28 | 89 | 74 | 0.51 | tr | ||||||||||
| 87P00428 | 66-94 | 3Bt1 | S | 6.5 | 0.30 | 90 | 80 | 0.55 | tr | ||||||||||
| 87P00429 | 94-132 | 3Bt2 | S | 7.6 | 0.26 | 100* | 91 | 0.54 | tr | ||||||||||
| 87P00430 | 132-150 | 3BC | S | 7.9 | 0.19 | 36 | 100* | 95 | 0.64 | tr | |||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.52 | (NA) | |
| Clay, carbonate free, Weighted Average | 47 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 38 | % wt | |
| Volume, >2mm, Weighted Average | 23 | % vol | |
| Clay, total, Weighted Average | 47 | % wt | |
| Weighted averages based on control section: 33-83 cm | |||