| *** Taxonomy Characterization Data *** |
| Pedon ID: 78TX027003 | ( Bell, Texas ) | Print Date: Nov 23 2024 11:19PM |
| Sampled as on Jul 1, 1978: | Houston Black ; Fine, montmorillonitic, thermic Udic Pellustert |
| Revised to correlated: | Houston Black ; Fine, smectitic, thermic Udic Pellusterts |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP78TX179 BELL COUNTY | Natural Resources Conservation Service |
| - | Site ID | S1978TX027003 Lat: 31° 1' 60.00" north Long: 97° 20' 59.99" west MLRA: 86 | National Soil Survey Center | |
| - | Pedon No. | 78P0472 | 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 | ||||||||||
| 78P02654 | 0-18 | Ap | S | 57.4 | 14.0 | 0.43 | 6 | 1.25 | 0.133 | tr | |||
| 78P02655 | 18-48 | A11 | S | 55.3 | 10.0 | 0.47 | 4 | -- | |||||
| 78P02656 | 48-71 | A12 | S | 58.0 | 11.0 | 0.46 | 4 | 1.25 | 0.164 | -- | |||
| 78P02657 | 71-91 | A21 | S | 59.4 | 11.0 | 0.44 | 3 | -- | |||||
| 78P02658 | 91-112 | A22 | S | 58.9 | 11.0 | 0.45 | 9 | 1.26 | 0.139 | 2 | |||
| 78P02659 | 112-135 | AC1 | S | 55.4 | 11.0 | 0.48 | 6 | 1 | |||||
| 78P02660 | 135-160 | AC2 | S | 54.1 | 11.0 | 0.43 | 6 | 1.36 | 0.093 | 1 | |||
| 78P02661 | 160-188 | CA1 | S | 51.5 | 11.0 | 0.46 | 6 | 1.32 | 0.119 | 1 | |||
| 78P02662 | 188-213 | CA2 | S | 46.7 | 12.0 | 0.46 | 6 | 1 | |||||
| 78P02663 | 213-287 | C | S | 38.0 | 17.0 | 0.43 | 7 | 1.53 | 0.067 | -- | |||
| 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 | % | |||||||||||
| 8C1a | 6A1c | 6E1b | 5C1 | 5C3 | 8D1 | 8A1a | 5D2 | ||||||||||||
| 78P02654 | 0-18 | Ap | S | 8.0 | 1.50 | 28 | 100 | 0.84 | tr | ||||||||||
| 78P02655 | 18-48 | A11 | S | 8.3 | 1.28 | 30 | 100 | 0.89 | tr | ||||||||||
| 78P02656 | 48-71 | A12 | S | 8.2 | 1.09 | 30 | 100 | 0.84 | tr | ||||||||||
| 78P02657 | 71-91 | A21 | S | 8.0 | 0.84 | 29 | 100 | 0.82 | 0.35 | tr | |||||||||
| 78P02658 | 91-112 | A22 | S | 8.0 | 0.87 | 29 | 100 | 0.84 | 0.39 | tr | |||||||||
| 78P02659 | 112-135 | AC1 | S | 8.1 | 0.47 | 35 | 100 | 0.80 | 0.35 | tr | |||||||||
| 78P02660 | 135-160 | AC2 | S | 8.3 | 0.38 | 35 | 100 | 0.79 | 0.33 | 1 | |||||||||
| 78P02661 | 160-188 | CA1 | S | 8.2 | 0.28 | 40 | 100 | 0.79 | 0.34 | 1 | |||||||||
| 78P02662 | 188-213 | CA2 | S | 8.4 | 0.18 | 48 | 100* | 100 | 0.71 | 1 | |||||||||
| 78P02663 | 213-287 | C | S | 8.4 | 0.07 | 67 | 100* | 100 | 0.53 | tr | |||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 1.04 | (NA) | |
| Clay, carbonate free, Weighted Average | 47 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 4 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 58 | % wt | |
| Weighted averages based on control section: 25-100 cm | |||