| *** Taxonomy Characterization Data *** |
| Pedon ID: S2012TX011003 | ( Armstrong, Texas ) | Print Date: Dec 7 2025 2:00AM |
| Sampled as on May 1, 2012: | Pullman ; Fine, mixed, superactive, thermic Torrertic Paleustoll |
| Revised to correlated: | Pullman ; Fine, mixed, superactive, thermic Torrertic Paleustolls |
| United States Department of Agriculture | ||||
| SSL | - | Project | C2012USTX055 CRP Baseline OC Study | Natural Resources Conservation Service |
| - | Site ID | S2012TX011003 Lat: 35° 7' 18.37" north Long: 101° 20' 33.41" west MLRA: 77C | National Soil Survey Center | |
| - | Pedon No. | 12N7905 | Kellogg 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 | DbWR1 | ||||||||||
| 12N02503 | 0-5 | Ap1 | S | 26.6 | 19.8 | 0.44 | 6 | 1.40 | 0.052 | -- | |||
| 12N02504 | 5-10 | Ap2 | S | 31.9 | 24.1 | 0.42 | 6 | 1.39 | 0.052 | -- | |||
| 12N02505 | 10-16 | Ap3 | S | 37.9 | 30.4 | 0.44 | 5 | 1.48 | 0.069 | -- | |||
| 12N02506 | 16-36 | Bt1 | S | 41.6 | 31.3 | 0.41 | 4 | 1.43 | 0.072 | -- | |||
| 12N02507 | 36-60 | Bt2 | S | 40.5 | 17.3 | 1.3 | 0.41 | 4 | 1.41 | 0.077 | -- | ||
| 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 | 4H2a | 4E1a1a1a1 | 4F2 | ||||||||||||||||
| 12N02503 | 0-5 | Ap1 | S | 6.7 | 1.54 | 100* | 77 | 0.67 | -- | ||||||||||
| 12N02504 | 5-10 | Ap2 | S | 6.2 | 1.14 | 93 | 74 | 0.61 | -- | ||||||||||
| 12N02505 | 10-16 | Ap3 | S | 6.7 | 1.07 | 96 | 81 | 0.63 | -- | ||||||||||
| 12N02506 | 16-36 | Bt1 | S | 7.5 | 0.77 | tr | 100* | 0.65 | tr | ||||||||||
| 12N02507 | 36-60 | Bt2 | S | 8.2 | 0.88 | 3 | 100* | 0.66 | 0.62 | 1 | |||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 4 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 41 | % wt | |
| Clay, carbonate free, Weighted Average | 40 | % wt | |
| CEC Activity, CEC7/Clay, Weighted Average, CECd, Set 4 | 0.65 | (NA) | |
| Weighted averages based on control section: 16-60 cm | |||