| *** Taxonomy Characterization Data *** |
| Pedon ID: 1989MO183020 | ( St. Charles, Missouri ) | Print Date: Dec 4 2024 1:17PM |
| Sampled as on Dec 1, 1989: | Parkville ; Clayey over loamy, montmorillonitic, mesic Fluvaquentic Hapludoll |
| Revised to correlated: | Blase ; Clayey over loamy, smectitic, mesic Fluvaquentic Hapludolls |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP90MO108 ST CHARLES COUNTY | Natural Resources Conservation Service |
| - | Site ID | S1989MO183020 Lat: 38° 51' 59.00" north Long: 90° 12' 4.00" west MLRA: 115 | National Soil Survey Center | |
| - | Pedon No. | 90P0437 | 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 | |||||||||||
| 90P02430 | 0-10 | Ap1 | S | 55.9 | 0.38 | tr | -- | ||||||
| 90P02431 | 10-20 | Ap2 | S | 55.6 | 0.42 | tr | -- | ||||||
| 90P02432 | 20-31 | Ap3 | S | 57.7 | 0.45 | tr | -- | ||||||
| 90P02433 | 31-40 | C1 | S | 62.6 | 0.42 | tr | -- | ||||||
| 90P02434 | 40-52 | C2 | S | 48.2 | 0.43 | tr | -- | ||||||
| 90P02435 | 52-91 | 2C1 | S | 11.3 | 0.61 | 2 | -- | ||||||
| 90P02436 | 91-129 | 2C2 | S | 5.9 | 0.66 | 7 | -- | ||||||
| 90P02437 | 129-160 | 2C3 | S | 19.1 | 0.3 | 0.50 | 2 | -- | |||||
| 90P02438 | 160-182 | 2C4 | S | 9.1 | 0.65 | 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 | % | |||||||||||
| 4C1a2a | 6A1c | 6E1g | 5C1 | 5C3 | 8D1 | 5D2 | |||||||||||||
| 90P02430 | 0-10 | Ap1 | S | 6.2 | 1.53 | 7 | 95 | 82 | 0.69 | -- | |||||||||
| 90P02431 | 10-20 | Ap2 | S | 5.8 | 1.41 | 3 | 85 | 79 | 0.71 | tr | |||||||||
| 90P02432 | 20-31 | Ap3 | S | 6.0 | 1.31 | 9 | 95 | 83 | 0.70 | tr | |||||||||
| 90P02433 | 31-40 | C1 | S | 6.5 | 0.72 | 7 | 97 | 85 | 0.69 | tr | |||||||||
| 90P02434 | 40-52 | C2 | S | 6.7 | 0.68 | 96 | 87 | 0.75 | tr | ||||||||||
| 90P02435 | 52-91 | 2C1 | S | 6.4 | 0.35 | 100* | 88 | 1.12 | 1 | ||||||||||
| 90P02436 | 91-129 | 2C2 | S | 7.5 | 0.18 | 4 | 100* | 100 | 1.25 | 1 | |||||||||
| 90P02437 | 129-160 | 2C3 | S | 8.1 | 0.49 | 7 | 100* | 100 | 0.95 | 1 | |||||||||
| 90P02438 | 160-182 | 2C4 | S | 8.0 | 0.33 | 6 | 100* | 100 | 1.21 | 1 | |||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.99 | (NA) | |
| Clay, carbonate free, Weighted Average | 26 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 2 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 26 | % wt | |
| Weighted averages based on control section: 25-100 cm | |||