| *** Taxonomy Characterization Data *** |
| Pedon ID: 82TX285001 | ( Lavaca, Texas ) | Print Date: Nov 14 2025 2:36AM |
| Sampled as on Jun 1, 1982: | Hallettsville ; Fine, montmorillonitic, thermic Argiustoll |
| Revised to correlated: | HALLETTSVILLE ; Fine, montmorillonitic, thermic Udertic Paleustolls |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP82TX269 JACKSON AND LAVACA COUNTIES | Natural Resources Conservation Service |
| - | Site ID | S1982TX285001 Lat: 29° 20' 2.00" north Long: 97° 3' 1.99" west MLRA: 87A | National Soil Survey Center | |
| - | Pedon No. | 82P0864 | 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 | |||||||||
| 82P04420 | 0-21 | A | S | 18.4 | 12.7 | 0.48 | 43 | 1.59 | 0.030 | tr | |||
| 82P04421 | 21-34 | Bt1 | S | 42.1 | 34.7 | 0.47 | 30 | 1.33 | 0.106 | -- | |||
| 82P04422 | 34-66 | Bt2 | S | 37.9 | 28.2 | 0.51 | 32 | 1.56 | 0.079 | 1 | 95 | ||
| 82P04423 | 66-90 | Bt3 | S | 34.8 | 25.4 | 0.51 | 32 | 1.57 | 0.077 | tr | |||
| 82P04424 | 90-114 | Btk1 | S | 33.8 | 24.2 | 0.52 | 35 | 1.56 | 0.078 | 1 | |||
| 82P04425 | 114-140 | Btk2 | S | 33.3 | 23.8 | 0.52 | 34 | 1.50 | 0.074 | 1 | |||
| 82P04426 | 140-164 | 2BC1 | S | 29.0 | 20.0 | 0.49 | 39 | 1.57 | 0.039 | -- | 87 | ||
| 82P04427 | 164-192 | 2BC2 | S | 20.6 | 14.6 | 0.49 | 61 | 1.68 | 0.025 | -- | |||
| 82P04428 | 192-230 | 2C | S | 15.2 | 10.1 | 0.48 | 75 | 1.65 | 0.024 | -- | 76 | ||
| 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 | 8A3a | 5D2 | ||||||||||||
| 82P04420 | 0-21 | A | S | 6.9 | 1.27 | 100* | 85 | 0.97 | 2 | ||||||||||
| 82P04421 | 21-34 | Bt1 | S | 6.9 | 0.86 | 93 | 82 | 0.88 | 5 | ||||||||||
| 82P04422 | 34-66 | Bt2 | S | 6.8 | 0.50 | 95 | 82 | 0.83 | 8 | ||||||||||
| 82P04423 | 66-90 | Bt3 | S | 7.1 | 0.42 | -- | 100* | 94 | 0.85 | 1.21 | 8 | ||||||||
| 82P04424 | 90-114 | Btk1 | S | 7.9 | 0.30 | tr | 100* | 99 | 0.80 | 2.52 | 12 | ||||||||
| 82P04425 | 114-140 | Btk2 | S | 7.9 | 0.20 | tr | 100* | 100 | 0.83 | 3.29 | 9 | ||||||||
| 82P04426 | 140-164 | 2BC1 | S | 7.9 | 0.14 | tr | 100* | 98 | 0.83 | 3.26 | 10 | ||||||||
| 82P04427 | 164-192 | 2BC2 | S | 7.5 | 0.12 | tr | 100* | 97 | 0.83 | 3.46 | 8 | ||||||||
| 82P04428 | 192-230 | 2C | S | 6.6 | 0.09 | 100* | 97 | 0.76 | 3.48 | 12 | |||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.85 | (NA) | |
| Clay, carbonate free, Weighted Average | 39 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 31 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 39 | % wt | |
| LE, Whole Soil, Summed to 1m | 7 | cm/m | |
| Weighted averages based on control section: 21-71 cm | |||