| *** Taxonomy Characterization Data *** |
| Pedon ID: 1969IA007002 | ( Appanoose, Iowa ) | Print Date: Feb 16 2025 5:52AM |
| Sampled as on Nov 1, 1969: | Kniffin |
| Revised to correlated on Jul 21, 2007: | Kniffin ; Fine, smectitic, mesic Udollic Ochraqualfs |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL40001 SSIR SAMPLES | Soil Conservation Service |
| - | Site ID | 1969IA007002 Lat: 40° 38' 42.00" north Long: 93° 0' 54.99" west MLRA: 109 | Lincoln Soil Survey Laboratory | |
| - | Pedon No. | 40A1487 | 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 | 3A1a1a | 4A1d | |||||||||||
| 40A11584 | 0-18 | Ap | S | 28.4 | 15.7 | 0.44 | 3 | -- | |||||
| 40A11585 | 18-28 | E | S | 29.8 | 16.4 | 0.42 | 3 | 1.34 | 0.031 | -- | |||
| 40A11586 | 28-38 | Bw | S | 40.6 | 0.41 | 2 | 1.28 | 0.061 | -- | ||||
| 40A11587 | 38-53 | Bt11 | S | 53.4 | 0.43 | 1 | 1.26 | 0.145 | -- | ||||
| 40A11588 | 53-64 | Bt12 | S | 47.0 | 0.45 | tr | 1.36 | 0.122 | -- | ||||
| 40A11589 | 64-79 | Bt13 | S | 41.4 | 0.48 | 1 | 1.41 | 0.106 | -- | ||||
| 40A11590 | 79-122 | Bt21 | S | 34.9 | 0.50 | 1 | 1.41 | 0.097 | -- | ||||
| 40A11591 | 122-145 | Bt22 | S | 33.2 | 19.3 | 0.46 | 3 | -- | |||||
| 40A11592 | 145-168 | 2C | S | 30.9 | 0.42 | 5 | 1.52 | 0.050 | -- | ||||
| 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 | 5D2 | |||||||||||||||||
| 40A11584 | 0-18 | Ap | S | 5.5 | 2.07 | 73 | 61 | 17.7 | 0.85 | 0.62 | 1 | 1 | |||||||
| 40A11585 | 18-28 | E | S | 4.7 | 1.24 | 57 | 43 | 14.3 | 0.73 | 0.48 | 13 | 1 | |||||||
| 40A11586 | 28-38 | Bw | S | 5.0 | 0.79 | 69 | 54 | 21.6 | 0.67 | 0.53 | 12 | 3 | |||||||
| 40A11587 | 38-53 | Bt11 | S | 5.0 | 0.76 | 76 | 63 | 32.1 | 0.72 | 0.60 | 8 | 3 | |||||||
| 40A11588 | 53-64 | Bt12 | S | 5.1 | 0.49 | 87 | 69 | 31.9 | 0.74 | 0.68 | 5 | 5 | |||||||
| 40A11589 | 64-79 | Bt13 | S | 5.2 | 0.30 | 93 | 72 | 30.0 | 0.76 | 0.72 | 3 | 5 | |||||||
| 40A11590 | 79-122 | Bt21 | S | 5.9 | 0.14 | 96 | 77 | 0.82 | 6 | ||||||||||
| 40A11591 | 122-145 | Bt22 | S | 6.1 | 0.15 | 97 | 75 | 0.69 | 6 | ||||||||||
| 40A11592 | 145-168 | 2C | S | 6.0 | 0.12 | 94 | 70 | 0.64 | 5 | ||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.76 | (NA) | |
| Clay, carbonate free, Weighted Average | 45 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 1 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 45 | % wt | |
| Weighted averages based on control section: 38-88 cm | |||