| *** Taxonomy Characterization Data *** |
| Pedon ID: 80MT015003 | ( Chouteau, Montana ) | Print Date: Nov 21 2024 1:15PM |
| Sampled as on Aug 1, 1980: | Gerber ; Fine, montmorillonitic Vertic Argiboroll |
| Revised to correlated: | Gerber ; Fine, smectitic, frigid Udorthentic Chromusterts |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP80NL274 CROP EVALUATION RESEARCH SEA-ARS | Natural Resources Conservation Service |
| - | Site ID | S1980MT015003 Lat: 47° 46' 26.00" north Long: 110° 40' 58.00" west MLRA: 52 | National Soil Survey Center | |
| - | Pedon No. | 80P0423 | 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 | 4A1d | ||||||||||
| 80P02296 | 0-13 | Ap | S | 46.7 | 0.34 | 8 | 1 | ||||||
| 80P02297 | 13-28 | Bt1 | S | 53.3 | 0.35 | 5 | 1.37 | 0.055 | -- | ||||
| 80P02298 | 38-53 | Bt2 | S | 38.1 | 4.9 | 0.34 | 11 | 1.47 | 0.037 | -- | |||
| 80P02299 | 69-84 | Bk | S | 54.4 | 3.5 | 0.33 | 3 | 1.43 | 0.080 | -- | |||
| 80P02300 | 99-114 | C11 | S | 43.4 | 0.41 | 6 | 1.36 | 0.029 | tr | ||||
| 80P02301 | 130-145 | C12 | S | 47.6 | 0.45 | 5 | 1.41 | 0.052 | tr | ||||
| 80P02302 | 160-175 | C21 | S | 40.2 | 0.43 | 4 | 1.39 | 0.052 | tr | ||||
| 80P02303 | 191-206 | C32 | S | 26.6 | 0.39 | 24 | 1.58 | 0.014 | tr | ||||
| 80P02304 | 221-236 | C3 | S | 29.0 | 0.48 | 19 | 1.54 | 0.023 | 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 | % | |||||||||||
| 8C1a | 6A1c | 6E1b | 5C1 | 5C3 | 8D1 | 8A1a | 5D2 | ||||||||||||
| 80P02296 | 0-13 | Ap | S | 7.5 | 1.29 | -- | 100* | 91 | 0.60 | 1 | |||||||||
| 80P02297 | 13-28 | Bt1 | S | 7.6 | 1.13 | tr | 100* | 92 | 0.60 | 0.48 | tr | ||||||||
| 80P02298 | 38-53 | Bt2 | S | 8.2 | 0.63 | 12 | 100* | 100 | 0.52 | 0.43 | 1 | ||||||||
| 80P02299 | 69-84 | Bk | S | 8.4 | 0.52 | 10 | 100* | 100 | 0.54 | 0.53 | 2 | ||||||||
| 80P02300 | 99-114 | C11 | S | 7.9 | 0.41 | 5 | 100 | 0.51 | 4.49 | 3 | |||||||||
| 80P02301 | 130-145 | C12 | S | 7.8 | 0.51 | 5 | 100 | 0.55 | 5.83 | 5 | |||||||||
| 80P02302 | 160-175 | C21 | S | 7.8 | 0.48 | 6 | 100 | 0.59 | 5.60 | 7 | |||||||||
| 80P02303 | 191-206 | C32 | S | 7.8 | 0.44 | 5 | 100* | 100 | 0.61 | 4.82 | 6 | ||||||||
| 80P02304 | 221-236 | C3 | S | 7.7 | 0.40 | 5 | 100* | 100 | 0.63 | 4.72 | 6 | ||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.42 | (NA) | |
| Clay, carbonate free, Weighted Average | 30 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 6 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 32 | % wt | |
| Weighted averages based on control section: 13-56 cm | |||