| *** Taxonomy Characterization Data *** |
| Pedon ID: S1956IA089002 | ( Howard, Iowa ) | Print Date: Apr 3 2025 8:20AM |
| Sampled as on Oct 8, 1956: | Protivin |
| Revised to correlated on Feb 3, 2020: | Protivin ; Fine-loamy, mixed, superactive, mesic Aquic Argiudolls |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL40001 SSIR SAMPLES | Soil Conservation Service |
| - | Site ID | S1956IA089002 Lat: 43° 23' 12.00" north Long: 92° 21' 50.64" west MLRA: 104 | Lincoln Soil Survey Laboratory | |
| - | Pedon No. | 40A1448 | Soil Laboratory | |
| - | General Methods 1B1A, 2A1, 2B | Lincoln, Nebraska | ||
| 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 | |||||||||||||
| 40A11204 | 0-18 | Ap | S | 30.6 | 0.55 | 18 | -- | ||||||
| 40A11205 | 18-25 | A1 | S | 31.7 | 0.48 | 16 | -- | ||||||
| 40A11206 | 25-36 | A2 | S | 31.5 | 0.43 | 17 | -- | ||||||
| 40A11207 | 36-46 | B | S | 32.8 | 0.38 | 17 | -- | ||||||
| 40A11208 | 46-56 | 2B1 | S | 31.6 | 0.34 | 26 | 2 | ||||||
| 40A11209 | 56-71 | 2B2 | S | 32.5 | 0.33 | 27 | -- | ||||||
| 40A11210 | 71-94 | 2B3 | S | 31.6 | 0.34 | 27 | -- | ||||||
| 40A11211 | 94-117 | 2B4 | S | 31.4 | 0.36 | 27 | -- | ||||||
| 40A11212 | 117-152 | 2C | S | 28.2 | 0.38 | 27 | 2 | ||||||
| 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 | % | |||||||||||
| 8C1a | 6A1a | 6E1a | 8A1a | 5D2 | |||||||||||||||
| 40A11204 | 0-18 | Ap | S | 5.2 | 4.80 | 69 | 53 | 1.02 | 0.30 | tr | |||||||||
| 40A11205 | 18-25 | A1 | S | 5.4 | 2.71 | 73 | 55 | 0.84 | 0.40 | tr | |||||||||
| 40A11206 | 25-36 | A2 | S | 5.7 | 1.46 | 87 | 69 | 0.77 | 0.40 | tr | |||||||||
| 40A11207 | 36-46 | B | S | 6.2 | 0.73 | 97 | 79 | 0.70 | 0.40 | tr | |||||||||
| 40A11208 | 46-56 | 2B1 | S | 6.5 | 0.38 | 100* | 81 | 0.59 | 0.30 | 1 | |||||||||
| 40A11209 | 56-71 | 2B2 | S | 6.9 | 0.30 | 100* | 86 | 0.52 | 0.30 | 1 | |||||||||
| 40A11210 | 71-94 | 2B3 | S | 7.2 | 0.21 | 100* | 87 | 0.49 | 0.30 | -- | |||||||||
| 40A11211 | 94-117 | 2B4 | S | 7.8 | 0.21 | 2 | 86 | 0.45 | 0.50 | 1 | |||||||||
| 40A11212 | 117-152 | 2C | S | 8.1 | 0.21 | 6 | 100 | 0.41 | 0.50 | -- | |||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.52 | (NA) | |
| Clay, carbonate free, Weighted Average | 32 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 27 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 32 | % wt | |
| Weighted averages based on control section: 46-94 cm | |||