| *** Taxonomy Characterization Data *** |
| Pedon ID: S2012TX011001 | ( Armstrong, Texas ) | Print Date: Dec 8 2025 7:10AM |
| Sampled as on Apr 30, 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 | S2012TX011001 Lat: 35° 7' 18.15" north Long: 101° 20' 33.16" west MLRA: 77C | National Soil Survey Center | |
| - | Pedon No. | 12N7903 | 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 | ||||||||||
| 12N02489 | 0-5 | Ap1 | S | 26.7 | 17.9 | 0.42 | 7 | 1.38 | 0.039 | -- | |||
| 12N02490 | 5-10 | Ap2 | S | 29.5 | 22.1 | 0.41 | 6 | 1.43 | 0.068 | -- | |||
| 12N02491 | 10-16 | A3 | S | 35.3 | 27.2 | 0.46 | 8 | 1.42 | 0.082 | -- | |||
| 12N02492 | 16-46 | Bt1 | S | 40.8 | 31.4 | 0.52 | 4 | 1.44 | 0.083 | -- | |||
| 12N02493 | 46-72 | Bt2 | S | 39.8 | 15.7 | 1.0 | 0.43 | 4 | 1.41 | 0.087 | -- | ||
| 12N02494 | 72-116 | Bt3 | S | 39.7 | 17.3 | -- | 0.45 | 5 | 1.43 | 0.078 | -- | ||
| 12N02495 | 116-141 | 2Btk | S | 37.3 | 16.6 | 1.3 | 0.43 | 5 | 1.31 | 0.069 | -- | ||
| 12N02496 | 141-165 | 2Bkk1 | S | 41.4 | 10.6 | 27.7 | 0.29 | 5 | 1.40 | 0.032 | tr | ||
| 12N02497 | 165-203 | 2Btkk2 | S | 40.3 | 5.3 | 22.2 | 0.32 | 3 | 1.47 | 0.031 | -- | ||
| 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 | 4G2 | 4E1a1a1a1 | 4F2 | |||||||||||||||
| 12N02489 | 0-5 | Ap1 | S | 7.0 | 1.71 | 0.11 | 0.04 | 100* | 71 | 0.65 | 0.77 | tr | |||||||
| 12N02490 | 5-10 | Ap2 | S | 6.3 | 1.22 | 0.13 | 0.03 | 89 | 68 | 0.59 | -- | ||||||||
| 12N02491 | 10-16 | A3 | S | 6.6 | 0.99 | 0.15 | 0.04 | 94 | 75 | 0.62 | -- | ||||||||
| 12N02492 | 16-46 | Bt1 | S | 7.5 | 0.70 | 0.15 | 0.03 | tr | 100* | 0.67 | 1 | ||||||||
| 12N02493 | 46-72 | Bt2 | S | 8.2 | 0.77 | 0.14 | 0.03 | 3 | 100* | 0.65 | 0.50 | 3 | |||||||
| 12N02494 | 72-116 | Bt3 | S | 8.0 | 0.62 | 0.13 | 0.02 | 2 | 100* | 0.63 | 1.90 | 6 | |||||||
| 12N02495 | 116-141 | 2Btk | S | 7.9 | 0.52 | 0.13 | 0.01 | 3 | 100* | 0.61 | 3.09 | 5 | |||||||
| 12N02496 | 141-165 | 2Bkk1 | S | 8.1 | 6.60 | 0.04 | tr | 55 | 100* | 0.27 | 2.03 | 4 | |||||||
| 12N02497 | 165-203 | 2Btkk2 | S | 8.0 | 5.66 | 0.04 | 0.01 | 47 | 100* | 0.31 | 1.97 | 5 | |||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 4 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| LE, Whole Soil, Summed to 1m | 8 | cm/m | |
| Clay, total, Weighted Average | 40 | % wt | |
| Clay, carbonate free, Weighted Average | 40 | % wt | |
| CEC Activity, CEC7/Clay, Weighted Average, CECd, Set 4 | 0.66 | (NA) | |
| Weighted averages based on control section: 16-66 cm | |||