| *** Taxonomy Characterization Data *** |
| Pedon ID: 81TX501001 | ( Yoakum, Texas ) | Print Date: Dec 8 2025 11:31PM |
| Sampled as on Jun 1, 1981: | Brownfield ; Fine-loamy, mixed, thermic Arenic Aridic Paleustalf |
| Revised to correlated: | Brownfield ; Loamy, mixed, superactive, thermic Arenic Aridic Paleustalfs |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP81TX216 RED BEDS-HIGH PLAINS STUDY | Natural Resources Conservation Service |
| - | Site ID | S1981TX501001 Lat: 33° 21' 26.99" north Long: 102° 46' 57.00" west MLRA: 77C | National Soil Survey Center | |
| - | Pedon No. | 81P0473 | 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 | 8D1 | 4A1d | 7B1a2 | |||||||||
| 81P02739 | 0-15 | A1 | S | 2.4 | 2.0 | 0.58 | 83 | -- | |||||
| 81P02740 | 15-38 | A2 | S | 2.0 | 2.0 | 0.50 | 91 | -- | |||||
| 81P02741 | 38-53 | A3 | S | 2.4 | 1.2 | 0.67 | 85 | -- | |||||
| 81P02742 | 53-87 | A4 | S | 3.2 | 3.2 | 0.44 | 85 | -- | 82 | ||||
| 81P02743 | 87-93 | A5 | S | 4.0 | 4.0 | 0.48 | 83 | -- | |||||
| 81P02744 | 93-110 | Bt1 | S | 19.8 | 18.2 | 0.46 | 69 | 1.69 | 0.021 | -- | |||
| 81P02745 | 110-133 | Bt2 | S | 23.7 | 16.6 | 0.46 | 63 | 1.73 | 0.026 | -- | 85 | ||
| 81P02746 | 133-195 | Bt3 | S | 18.5 | 15.6 | 0.44 | 71 | 1.81 | 0.013 | -- | |||
| 81P02747 | 195-225 | Bt4 | S | 16.8 | 14.0 | 0.46 | 69 | -- | |||||
| 81P02748 | 225-260 | Bt5 | S | 18.2 | 15.3 | 0.49 | 72 | -- | |||||
| 81P02749 | 260-285 | Bt6 | S | 14.4 | 11.1 | 0.46 | 74 | -- | |||||
| 81P02750 | 285-305 | Bt7 | S | 16.9 | 12.8 | 0.49 | 63 | -- | |||||
| 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 | 6E1g | 5C1 | 5C3 | 8D1 | 5D2 | |||||||||||||
| 81P02739 | 0-15 | A1 | S | 7.2 | 0.34 | -- | 100* | 100 | 0.83 | -- | |||||||||
| 81P02740 | 15-38 | A2 | S | 7.2 | 0.27 | -- | 100* | 100 | 0.65 | 46 | |||||||||
| 81P02741 | 38-53 | A3 | S | 7.9 | 0.35 | tr | 100* | 100 | 0.75 | -- | |||||||||
| 81P02742 | 53-87 | A4 | S | 7.5 | 0.17 | -- | 100* | 100 | 0.50 | -- | |||||||||
| 81P02743 | 87-93 | A5 | S | 7.4 | 0.16 | -- | 100* | 100 | 0.63 | -- | |||||||||
| 81P02744 | 93-110 | Bt1 | S | 6.8 | 0.27 | 99 | 95 | 0.64 | -- | ||||||||||
| 81P02745 | 110-133 | Bt2 | S | 6.8 | 0.20 | 100* | 95 | 0.66 | 1 | ||||||||||
| 81P02746 | 133-195 | Bt3 | S | 7.2 | 0.12 | tr | 100* | 100 | 0.68 | 1 | |||||||||
| 81P02747 | 195-225 | Bt4 | S | 7.7 | tr | ||||||||||||||
| 81P02748 | 225-260 | Bt5 | S | 8.1 | tr | ||||||||||||||
| 81P02749 | 260-285 | Bt6 | S | 8.1 | tr | ||||||||||||||
| 81P02750 | 285-305 | Bt7 | S | 8.1 | tr | ||||||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.66 | (NA) | |
| Clay, carbonate free, Weighted Average | 21 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 67 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 21 | % wt | |
| Weighted averages based on control section: 93-143 cm | |||