| *** Taxonomy Characterization Data *** |
| Pedon ID: 82TX289026 | ( Leon, Texas ) | Print Date: Nov 12 2024 12:28AM |
| Sampled as on Apr 1, 1982: | Robco ; Clayey, mixed, thermic Aquic Arenic Paleustalf |
| Revised to correlated: | Robco ; Fine-loamy, siliceous, semiactive, thermic Aquultic Haplustalfs |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP82TX206 LEON COUNTY - LIGNITE STUDY | Natural Resources Conservation Service |
| - | Site ID | S1982TX289026 Lat: 31° 23' 15.00" north Long: 96° 7' 15.00" west MLRA: 87A | National Soil Survey Center | |
| - | Pedon No. | 82P0613 | 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 | ||||||||||
| 82P03199 | 0-10 | Ap | S | 2.5 | 0.80 | 42 | -- | ||||||
| 82P03200 | 10-25 | A | S | 3.3 | 0.36 | 39 | 1.60 | -- | -- | ||||
| 82P03201 | 25-45 | E1 | S | 2.9 | 0.38 | 38 | 1.56 | -- | -- | 95 | |||
| 82P03202 | 45-63 | E2 | S | 3.3 | 0.30 | 36 | 1.62 | -- | -- | ||||
| 82P03203 | 63-72 | B/E | S | 15.6 | 0.39 | 31 | -- | ||||||
| 82P03204 | 72-100 | Bt1 | S | 32.8 | 0.38 | 25 | 1.72 | 0.041 | -- | 94 | |||
| 82P03205 | 100-137 | Bt2 | S | 22.2 | 0.45 | 32 | 1.76 | 0.037 | -- | ||||
| 82P03206 | 137-158 | B'/E' | S | 9.0 | 0.48 | 46 | 1.78 | 0.011 | -- | ||||
| 82P03207 | 158-200 | BC | S | 9.8 | 0.51 | 50 | 1.77 | 0.013 | -- | ||||
| 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 | ||||||||||||
| 82P03199 | 0-10 | Ap | S | 4.0 | 0.64 | 22 | 10 | 0.9 | 0.72 | 0.36 | 56 | -- | |||||||
| 82P03200 | 10-25 | A | S | 4.2 | 0.26 | 42 | 16 | 1.1 | 0.36 | 0.33 | 55 | -- | |||||||
| 82P03201 | 25-45 | E1 | S | 4.7 | 0.18 | 88 | 30 | 1.0 | 0.28 | 0.34 | 30 | -- | |||||||
| 82P03202 | 45-63 | E2 | S | 5.0 | 0.13 | 100* | 33 | 0.7 | 0.18 | 0.21 | 14 | -- | |||||||
| 82P03203 | 63-72 | B/E | S | 4.8 | 0.21 | 61 | 40 | 4.3 | 0.33 | 0.28 | 28 | 6 | |||||||
| 82P03204 | 72-100 | Bt1 | S | 4.9 | 0.23 | 61 | 48 | 11.2 | 0.40 | 0.34 | 28 | 8 | |||||||
| 82P03205 | 100-137 | Bt2 | S | 5.0 | 0.08 | 91 | 70 | 8.6 | 0.41 | 0.39 | 3 | 20 | |||||||
| 82P03206 | 137-158 | B'/E' | S | 5.6 | 0.05 | 100* | 72 | 0.46 | 27 | ||||||||||
| 82P03207 | 158-200 | BC | S | 6.3 | 0.06 | 100* | 84 | 0.46 | 31 | ||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.4 | (NA) | |
| Clay, carbonate free, Weighted Average | 30 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 27 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 30 | % wt | |
| Weighted averages based on control section: 72-112 cm | |||