| *** Taxonomy Characterization Data *** |
| Pedon ID: 82TX423003 | ( Smith, Texas ) | Print Date: Feb 17 2025 2:50AM |
| Sampled as on Jan 30, 1982: | Cuthbert ; Clayey, mixed, thermic Typic Hapludults |
| Revised to correlated on Dec 2, 2013: | Cuthbert ; Fine, mixed, semiactive, thermic Typic Hapludults |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP82TX178 SMITH COUNTY - LIGNITE STUDY | Natural Resources Conservation Service |
| - | Site ID | S1982TX423003 Lat: 32° 29' 29.99" north Long: 95° 28' 34.99" west MLRA: 133B | National Soil Survey Center | |
| - | Pedon No. | 82P0497 | 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 | 7B1a2 | ||||||||||
| 82P02484 | 0-7 | A | S | 3.0 | 1.83 | 35 | 4 | ||||||
| 82P02485 | 7-22 | E | S | 4.9 | 0.47 | 39 | 1.48 | -- | 13 | ||||
| 82P02486 | 22-50 | Bt | S | 37.5 | 0.38 | 3 | 1.50 | 0.026 | tr | 98 | |||
| 82P02487 | 50-67 | B/C | S | 27.1 | 0.40 | 4 | 1.55 | 0.015 | 1 | ||||
| 82P02488 | 67-97 | C/B | S | 12.6 | 0.44 | 3 | 1.61 | 0.012 | -- | ||||
| 82P02489 | 97-137 | C1 | S | 7.3 | 0.38 | 17 | 1.62 | 0.004 | -- | ||||
| 82P02490 | 137-170 | C2 | S | 4.5 | 0.47 | 17 | 1.59 | 0.002 | -- | 97 | |||
| 82P02491 | 170-200 | C3 | S | 3.7 | 0.81 | 9 | 1.52 | 0.002 | -- | ||||
| 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 | ||||||||||||
| 82P02484 | 0-7 | A | S | 5.1 | 2.59 | 49 | 35 | 3.3 | 2.03 | 1.10 | 9 | -- | |||||||
| 82P02485 | 7-22 | E | S | 4.6 | 0.52 | 29 | 13 | 1.2 | 0.29 | 0.24 | 67 | -- | |||||||
| 82P02486 | 22-50 | Bt | S | 4.7 | 0.53 | 25 | 17 | 6.6 | 0.20 | 0.18 | 71 | -- | |||||||
| 82P02487 | 50-67 | B/C | S | 4.5 | 0.52 | 19 | 12 | 4.7 | 0.20 | 0.17 | 79 | -- | |||||||
| 82P02488 | 67-97 | C/B | S | 4.4 | 0.15 | 15 | 10 | 2.6 | 0.21 | 0.21 | 85 | -- | |||||||
| 82P02489 | 97-137 | C1 | S | 4.4 | 0.12 | 14 | 9 | 1.4 | 0.19 | 0.19 | 86 | -- | |||||||
| 82P02490 | 137-170 | C2 | S | 4.5 | 0.10 | 17 | 8 | 0.9 | 0.13 | 0.20 | 89 | -- | |||||||
| 82P02491 | 170-200 | C3 | S | 4.5 | 0.10 | 38 | 15 | 1.2 | 0.22 | 0.32 | 75 | -- | |||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.2 | (NA) | |
| Clay, carbonate free, Weighted Average | 38 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 3 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 38 | % wt | |
| Weighted averages based on control section: 22-50 cm | |||