| *** Taxonomy Characterization Data *** |
| Pedon ID: 87MT085001A | ( Roosevelt, Montana ) | Print Date: Nov 11 2024 8:35PM |
| Sampled as on Jun 1, 1987: | Zahl ; Fine-loamy, mixed Entic Haploboroll |
| Revised to correlated: | Zahl ; Fine-loamy, mixed, superactive Entic Haploborolls |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP87MT179 WEPP MONTANA | Natural Resources Conservation Service |
| - | Site ID | S1987MT085001A MLRA: 53A | National Soil Survey Center | |
| - | Pedon No. | 87P0533 | 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 | 3A1a1a | 8D1 | 4A1d | |||||||||
| 87P02835 | 0-8 | Ap1 | S | 23.5 | 14.0 | 0.44 | 39 | 3 | |||||
| 87P02836 | 8-15 | Ap2 | S | 23.9 | 14.9 | 0.44 | 37 | 1.51 | 0.029 | 2 | |||
| 87P02837 | 15-31 | Bk1 | S | 25.5 | 15.8 | 0.43 | 33 | 1.42 | 0.027 | 1 | |||
| 87P02838 | 31-55 | Bk2 | S | 28.6 | 9.5 | 6.9 | 0.38 | 22 | 1.36 | 0.021 | 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 | 6A2d | 6E1g | 5C1 | 5C3 | 8D1 | 8A3a | 5D2 | |||||||||||
| 87P02835 | 0-8 | Ap1 | S | 7.7 | 1.61 | 1.62 | -- | 100* | 95 | 0.83 | 1.37 | 1 | |||||||
| 87P02836 | 8-15 | Ap2 | S | 7.7 | 1.50 | -- | 100* | 95 | 0.79 | 0.76 | 1 | ||||||||
| 87P02837 | 15-31 | Bk1 | S | 7.7 | 0.95 | -- | 100* | 94 | 0.82 | tr | |||||||||
| 87P02838 | 31-55 | Bk2 | S | 8.4 | 0.85 | 6 | 100* | 100 | 0.61 | 1 | |||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.32 | (NA) | |
| Clay, carbonate free, Weighted Average | 9 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 10 | % wt | |
| Volume, >2mm, Weighted Average | 1 | % vol | |
| Clay, total, Weighted Average | 11 | % wt | |
| Weighted averages based on control section: 25-100 cm | |||