| *** Taxonomy Characterization Data *** |
| Pedon ID: 78MT087428 | ( Rosebud, Montana ) | Print Date: Nov 23 2024 7:23AM |
| Sampled as on Jul 1, 1978: | Volborg ; Clayey, montmorillonitic, acid, frigid, shallow Ustic Torriorthent |
| Revised to correlated: | Volborg ; Clayey, smectitic, acid, frigid, shallow Ustic Torriorthents |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP83MT220 ROSEBUD COUNTY | Natural Resources Conservation Service |
| - | Site ID | S1978MT087428 Lat: 46° 25' 35.00" north Long: 106° 46' 38.00" west MLRA: 63A | National Soil Survey Center | |
| - | Pedon No. | 83P0725 | 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 | |||||||||||
| 83P03588 | 0-8 | A | S | 63.7 | 21.0 | 0.29 | 3 | tr | |||||
| 83P03589 | 8-38 | C | S | 66.7 | 21.7 | 0.29 | 3 | 1 | |||||
| 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 | 5C1 | 5C3 | 8D1 | 5D2 | ||||||||||||||
| 83P03588 | 0-8 | A | S | 5.0 | 1.14 | 76 | 65 | 0.57 | 1 | ||||||||||
| 83P03589 | 8-38 | C | S | 4.5 | 0.62 | 58 | 50 | 0.57 | 1 | ||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.57 | (NA) | |
| Clay, carbonate free, Weighted Average | 67 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 3 | % wt | |
| Volume, >2mm, Weighted Average | 1 | % vol | |
| Clay, total, Weighted Average | 67 | % wt | |
| Weighted averages based on control section: 25-38 cm | |||