| *** Taxonomy Characterization Data *** |
| Pedon ID: 84TX373001 | ( Polk, Texas ) | Print Date: Sep 24 2024 1:34PM |
| Sampled as on Apr 1, 1984: | Garner ; Fine, montmorillonitic, thermic Entic Pelludert |
| Revised to correlated on Jul 9, 2007: | Garner ; Very-fine, smectitic, thermic Entic Pelluderts |
| United States Department of Agriculture | ||||
| SSL | - | Project | RP84TX190 WALKER-POLK COUNTIES | Natural Resources Conservation Service |
| - | Site ID | S1984TX373001 Lat: 30° 41' 45.00" north Long: 95° 0' 0.00" west MLRA: 133B | National Soil Survey Center | |
| - | Pedon No. | 84P0685 | 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 | 3A1a1a | 8D1 | 4A1d | |||||||||
| 84P03794 | 0-23 | A | S | 57.6 | 40.1 | 0.42 | 3 | 1.23 | 0.146 | -- | |||
| 84P03795 | 23-40 | Bg1 | S | 60.6 | 44.5 | 0.48 | 3 | -- | |||||
| 84P03796 | 40-80 | Bg2 | S | 68.3 | 50.6 | 0.38 | 2 | 1.20 | 0.178 | tr | |||
| 84P03797 | 80-132 | Bg3 | S | 69.3 | 46.7 | 0.36 | 2 | -- | |||||
| 84P03798 | 132-165 | Bg4 | S | 67.9 | 41.1 | 0.37 | 2 | 1.23 | 0.166 | -- | |||
| 84P03799 | 165-190 | Bw | S | 74.2 | 31.1 | 2.4 | 0.35 | 1 | 1.23 | 0.172 | -- | ||
| 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 | 5A3b | 8D1 | 5G1 | 5D2 | |||||||||||
| 84P03794 | 0-23 | A | S | 5.6 | 1.22 | 75 | 71 | 0.79 | tr | ||||||||||
| 84P03795 | 23-40 | Bg1 | S | 5.2 | 0.78 | 82 | 73 | 39.0 | 0.76 | 0.64 | 3 | 1 | |||||||
| 84P03796 | 40-80 | Bg2 | S | 5.2 | 0.66 | 81 | 76 | 40.8 | 0.72 | 0.60 | 2 | 1 | |||||||
| 84P03797 | 80-132 | Bg3 | S | 6.3 | 0.55 | 100* | 93 | 0.72 | 3 | ||||||||||
| 84P03798 | 132-165 | Bg4 | S | 7.3 | 0.49 | 1 | 99 | 94 | 0.76 | 3 | |||||||||
| 84P03799 | 165-190 | Bw | S | 7.9 | 0.12 | 11 | 100* | 100 | 0.64 | 3 | |||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.73 | (NA) | |
| Clay, carbonate free, Weighted Average | 67 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 2 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 67 | % wt | |
| Weighted averages based on control section: 25-100 cm | |||