| *** Taxonomy Characterization Data *** |
| Pedon ID: 87IA131002 | ( Mitchell, Iowa ) | Print Date: Dec 8 2025 7:09AM |
| Sampled as on Dec 1, 1989: | Rockton ; Fine-loamy, mixed, mesic Typic Argiudoll |
| Revised to correlated on Dec 1, 1989: | Rockton ; Fine-loamy, mixed, superactive, mesic Typic Argiudoll |
| United States Department of Agriculture | ||||
| SSL | - | Project | RP88IA155 EROSION 5 | Natural Resources Conservation Service |
| - | Site ID | 87IA131002 Lat: 43° 12' 51.00" north Long: 92° 54' 14.71" west MLRA: 104 | National Soil Survey Center | |
| - | Pedon No. | 88P0622 | 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 | |||||||||||
| 88P03255 | 0-20 | Ap | S | 26.9 | 0.45 | 12 | -- | ||||||
| 88P03256 | 20-38 | A | S | 27.8 | 0.45 | 10 | -- | ||||||
| 88P03257 | 38-48 | AB | S | 26.3 | 0.43 | 15 | -- | ||||||
| 88P03258 | 48-66 | 2Bw1 | S | 23.1 | 0.43 | 31 | -- | ||||||
| 88P03259 | 66-76 | 2Bw2 | S | 21.2 | 0.39 | 55 | -- | ||||||
| 88P03260 | 76-89 | 3Bt | S | 67.5 | 0.44 | 10 | -- | ||||||
| 88P03261 | 89-97 | 4C | S | 7.7 | 0.8 | 0.32 | 79 | -- | |||||
| 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 | |||||||||||||
| 88P03255 | 0-20 | Ap | S | 6.7 | 2.61 | 100* | 79 | 0.88 | tr | ||||||||||
| 88P03256 | 20-38 | A | S | 6.6 | 1.67 | 100* | 73 | 0.77 | tr | ||||||||||
| 88P03257 | 38-48 | AB | S | 6.1 | 1.03 | 98 | 73 | 0.75 | 1 | ||||||||||
| 88P03258 | 48-66 | 2Bw1 | S | 6.0 | 0.56 | 100* | 71 | 0.74 | 1 | ||||||||||
| 88P03259 | 66-76 | 2Bw2 | S | 6.2 | 0.49 | 100* | 87 | 0.71 | 1 | ||||||||||
| 88P03260 | 76-89 | 3Bt | S | 6.7 | 0.33 | 100* | 91 | 0.79 | tr | ||||||||||
| 88P03261 | 89-97 | 4C | S | 8.2 | 0.14 | 96 | 100* | 100 | 0.45 | 3 | |||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.79 | (NA) | |
| Clay, carbonate free, Weighted Average | 68 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 10 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 68 | % wt | |
| Weighted averages based on control section: 76-89 cm | |||