| *** Taxonomy Characterization Data *** |
| Pedon ID: 82TX423002 | ( Smith, Texas ) | Print Date: Nov 12 2024 1:46AM |
| Sampled as on Feb 1, 1982: | Redsprings ; Fine, kaolinitic, thermic Ultic Hapludalf |
| Revised to correlated: | Redsprings ; Fine, mixed, semiactive, thermic Ultic Hapludalfs |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP82TX178 SMITH COUNTY - LIGNITE STUDY | Natural Resources Conservation Service |
| - | Site ID | S1982TX423002 Lat: 32° 32' 40.00" north Long: 95° 30' 24.99" west MLRA: 133B | National Soil Survey Center | |
| - | Pedon No. | 82P0496 | 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 | |||||||||||
| 82P02476 | 0-18 | A | S | 10.3 | 0.97 | 88 | 51 | ||||||
| 82P02477 | 18-33 | Bt1 | S | 23.3 | 0.42 | 64 | 21 | ||||||
| 82P02478 | 33-56 | Bt2 | S | 56.1 | 0.33 | 31 | 1.45 | 0.036 | 4 | ||||
| 82P02479 | 56-78 | Bt3 | S | 54.0 | 0.39 | 29 | 1.52 | 0.021 | 4 | ||||
| 82P02480 | 78-104 | Bt4 | S | 47.5 | 0.40 | 27 | 1.52 | 0.028 | 4 | ||||
| 82P02481 | 104-130 | B/C | S | 49.2 | 0.38 | 26 | 1.49 | 0.028 | 2 | ||||
| 82P02482 | 130-165 | C | S | 46.8 | 0.45 | 32 | 10 | ||||||
| 82P02483 | 165-200 | 2C | S | 41.9 | 0.40 | 28 | 1.50 | 0.026 | 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 | ||||||||||||
| 82P02476 | 0-18 | A | S | 6.0 | 2.47 | 87 | 62 | 1.34 | -- | ||||||||||
| 82P02477 | 18-33 | Bt1 | S | 6.1 | 0.59 | 72 | 49 | 0.31 | -- | ||||||||||
| 82P02478 | 33-56 | Bt2 | S | 6.3 | 0.50 | 81 | 60 | 0.22 | -- | ||||||||||
| 82P02479 | 56-78 | Bt3 | S | 5.4 | 0.33 | 68 | 46 | 8.0 | 0.21 | 0.15 | 1 | -- | |||||||
| 82P02480 | 78-104 | Bt4 | S | 5.3 | 0.24 | 61 | 43 | 7.5 | 0.24 | 0.16 | 7 | -- | |||||||
| 82P02481 | 104-130 | B/C | S | 5.1 | 0.19 | 66 | 50 | 10.4 | 0.28 | 0.21 | 12 | -- | |||||||
| 82P02482 | 130-165 | C | S | 5.2 | 0.20 | 61 | 42 | 9.1 | 0.28 | 0.19 | 11 | -- | |||||||
| 82P02483 | 165-200 | 2C | S | 4.7 | 0.14 | 44 | 34 | 12.2 | 0.35 | 0.29 | 48 | -- | |||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.25 | (NA) | |
| Clay, carbonate free, Weighted Average | 46 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 40 | % wt | |
| Volume, >2mm, Weighted Average | 9 | % vol | |
| Clay, total, Weighted Average | 46 | % wt | |
| Weighted averages based on control section: 18-68 cm | |||