| *** Taxonomy Characterization Data *** |
| Pedon ID: S2019IA089504 | ( Howard, Iowa ) | Print Date: Dec 8 2025 8:52AM |
| Sampled as on Nov 4, 2019: | Bassett ; Fine-loamy, mixed, superactive, mesic Mollic Hapludalf |
| Revised to correlated on Dec 16, 2019: | Oran ; Fine-loamy, mixed, superactive, mesic Aquollic Hapludalf |
| United States Department of Agriculture | ||||
| SSL | - | Project | C2020USIA061 DSP MLRA 104 Loamy Upland Prairie Soil in the Cropland State | Natural Resources Conservation Service |
| - | Site ID | S2019IA089504 Lat: 43° 23' 58.63" north Long: 92° 8' 14.47" west MLRA: 104 | National Soil Survey Center | |
| - | Pedon No. | 20N0566 | Kellogg 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 | |||||||||||||
| 20N02539 | 0-5 | Ap | S | 19.8 | 0.43 | 34 | -- | ||||||
| 20N02540 | 5-23 | Ap | S | 20.9 | 0.39 | 33 | tr | ||||||
| 20N02541 | 23-44 | Bw | S | 18.9 | 0.37 | 47 | 5 | ||||||
| 20N02542 | 44-83 | 2Bt1 | S | 23.1 | 0.34 | 45 | 3 | ||||||
| 20N02543 | 83-124 | 2Bt2 | S | 23.5 | 0.34 | 40 | 3 | ||||||
| 20N02544 | 124-200 | 2BC | S | 22.3 | 0.35 | 44 | 3 | ||||||
| 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 | 4H2a | 4E1a1a1a1 | 4F2 | ||||||||||||||||
| 20N02539 | 0-5 | Ap | S | 6.7 | 1.77 | 100* | 70 | 0.73 | -- | ||||||||||
| 20N02540 | 5-23 | Ap | S | 6.8 | 1.23 | 92 | 70 | 0.66 | 0.77 | -- | |||||||||
| 20N02541 | 23-44 | Bw | S | 7.0 | 0.33 | -- | 89 | 63 | 0.47 | -- | |||||||||
| 20N02542 | 44-83 | 2Bt1 | S | 6.6 | 0.13 | 82 | 65 | 0.45 | -- | ||||||||||
| 20N02543 | 83-124 | 2Bt2 | S | 6.1 | 0.08 | 80 | 66 | 0.44 | tr | ||||||||||
| 20N02544 | 124-200 | 2BC | S | 6.2 | 0.08 | 77 | 66 | 0.48 | tr | ||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 44 | % wt | |
| Volume, >2mm, Weighted Average | 3 | % vol | |
| Clay, total, set 2, Weighted Average | 23 | % wt | |
| Clay, carbonate free, set 2, Weighted Average | 23 | % wt | |
| CEC Activity, CEC7/Clay, Weighted Average, CECd, Set 8 | 0.45 | (NA) | |
| Weighted averages based on control section: 44-94 cm | |||