| *** Taxonomy Characterization Data *** |
| Pedon ID: S1974MT081001 | ( Ravalli, Montana ) | Print Date: Nov 24 2024 4:22AM |
| Sampled as on Jan 30, 1974: | Elkner |
| Revised to SSL: | (unnamed) ; Coarse-loamy, mixed Alfic Cryochrept |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL74MT005 PONDEROSA STUDY | Natural Resources Conservation Service |
| - | Site ID | S1974MT081001 | National Soil Survey Center | |
| - | Pedon No. | 74C0041 | 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 | 8D1 | 4A1d | |||||||||||
| 74C00294 | 0-3 | A | S | 4.9 | 2.98 | 61 | 0.99 | 0.016 | 3 | ||||
| 74C00295 | 3-15 | B1 | S | 6.8 | 0.60 | 63 | 1.28 | 0.003 | 3 | ||||
| 74C00296 | 15-30 | B21 | S | 3.5 | 0.66 | 76 | 3 | ||||||
| 74C00297 | 30-46 | B22 | S | 3.3 | 0.73 | 80 | 1.66 | 0.002 | 9 | ||||
| 74C00298 | 46-107 | C | S | 3.3 | 0.79 | 84 | 2.17 | 0.002 | 2 | ||||
| 74C00299 | 107-127 | Cr | S | 4.7 | 0.85 | 75 | 2 | ||||||
| 74C00300 | 15-16 | B | S | 5.6 | 1.11 | 57 | 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 | 5A3b | 8D1 | 5G1 | 5D2 | ||||||||||||
| 74C00294 | 0-3 | A | S | 6.1 | 7.32 | 59 | 48 | 4.43 | 1 | ||||||||||
| 74C00295 | 3-15 | B1 | S | 5.4 | 0.76 | 45 | 37 | 5.2 | 1.41 | 0.76 | 17 | 2 | |||||||
| 74C00296 | 15-30 | B21 | S | 5.5 | 0.16 | 80 | 51 | 5.0 | 1.57 | 1.43 | 12 | 4 | |||||||
| 74C00297 | 30-46 | B22 | S | 5.7 | 100* | 65 | 1.12 | 5 | |||||||||||
| 74C00298 | 46-107 | C | S | 6.0 | 87 | 81 | 2.33 | 3 | |||||||||||
| 74C00299 | 107-127 | Cr | S | 5.8 | 93 | 86 | 2.77 | 2 | |||||||||||
| 74C00300 | 15-16 | B | S | 5.7 | 51 | 43 | 2.30 | 2 | |||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 2.02 | (NA) | |
| Clay, carbonate free, Weighted Average | 3 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 83 | % wt | |
| Volume, >2mm, Weighted Average | 4 | % vol | |
| Clay, total, Weighted Average | 3 | % wt | |
| Weighted averages based on control section: 25-100 cm | |||