| *** Taxonomy Characterization Data *** |
| Pedon ID: 81TX027005 | ( Bell, Texas ) | Print Date: Nov 21 2024 11:52AM |
| Sampled as on Apr 1, 1981: | Silawa ; Fine-loamy, mixed, thermic Ultic Haplustalf |
| Revised to correlated: | Silawa ; Fine-loamy, siliceous, active, thermic Udic Haplustalfs |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP81TX259 CROP EVALUATION RESEARCH | Natural Resources Conservation Service |
| - | Site ID | S1981TX027005 Lat: 31° 2' 8.00" north Long: 97° 24' 59.99" west MLRA: 85 | National Soil Survey Center | |
| - | Pedon No. | 81P0601 | 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 | |||||||||||
| 81P03563 | 0-13 | Ap | S | 18.5 | 0.43 | 52 | tr | ||||||
| 81P03564 | 13-38 | Bt1 | S | 33.7 | 0.42 | 39 | 1.58 | 0.041 | tr | ||||
| 81P03565 | 38-89 | Bt2 | S | 27.2 | 0.47 | 41 | 1.61 | 0.034 | -- | ||||
| 81P03566 | 89-122 | Bt3 | S | 21.7 | 0.48 | 47 | 1.70 | 0.023 | -- | ||||
| 81P03567 | 122-152 | Bt4 | S | 15.5 | 0.46 | 52 | 1.74 | 0.008 | tr | ||||
| 81P03568 | 152-183 | Bt5 | S | 13.0 | 0.44 | 56 | 1.72 | 0.008 | -- | ||||
| 81P03569 | 183-213 | B | S | 9.3 | 0.60 | 67 | 1.68 | 0.012 | -- | ||||
| 81P03570 | 213-244 | C | S | 5.2 | 0.46 | 83 | 1.61 | 0.004 | -- | ||||
| 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 | |||||||||||||
| 81P03563 | 0-13 | Ap | S | 6.4 | 0.70 | 100* | 77 | 0.52 | 2 | ||||||||||
| 81P03564 | 13-38 | Bt1 | S | 7.3 | 0.34 | tr | 99 | 81 | 0.45 | 1 | |||||||||
| 81P03565 | 38-89 | Bt2 | S | 7.2 | 0.23 | -- | 98 | 77 | 0.44 | -- | |||||||||
| 81P03566 | 89-122 | Bt3 | S | 6.8 | 0.17 | 92 | 72 | 0.48 | -- | ||||||||||
| 81P03567 | 122-152 | Bt4 | S | 6.8 | 0.10 | 89 | 82 | 0.49 | -- | ||||||||||
| 81P03568 | 152-183 | Bt5 | S | 6.8 | 0.06 | 90 | 80 | 0.52 | -- | ||||||||||
| 81P03569 | 183-213 | B | S | 6.8 | 0.08 | 92 | 83 | 0.65 | -- | ||||||||||
| 81P03570 | 213-244 | C | S | 6.7 | 0.06 | 96 | 76 | 0.50 | -- | ||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.45 | (NA) | |
| Clay, carbonate free, Weighted Average | 30 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 40 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 30 | % wt | |
| Weighted averages based on control section: 13-63 cm | |||