| *** Taxonomy Characterization Data *** |
| Pedon ID: 84TX471001 | ( Walker, Texas ) | Print Date: Nov 21 2024 12:03PM |
| Sampled as on Apr 1, 1984: | Redco ; Very-fine, montmorillonitic, thermic Aquentic Chromudert |
| Revised to correlated: | Redco ; Very-fine, smectitic, thermic Aquentic Chromuderts |
| United States Department of Agriculture | ||||
| SSL | - | Project | RP84TX190 WALKER-POLK COUNTIES | Natural Resources Conservation Service |
| - | Site ID | S1984TX471001 Lat: 30° 36' 30.00" north Long: 95° 23' 14.99" west MLRA: 133B | National Soil Survey Center | |
| - | Pedon No. | 84P0684 | 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 | |||||||||
| 84P03786 | 0-15 | A | S | 57.8 | 39.2 | 0.48 | 6 | 1.20 | 0.145 | -- | |||
| 84P03787 | 15-46 | Bw1 | S | 74.9 | 52.7 | 0.44 | 3 | 1.14 | 0.160 | -- | |||
| 84P03788 | 46-74 | Bw2 | S | 72.5 | 45.8 | 0.39 | 3 | 1.14 | 0.169 | -- | |||
| 84P03789 | 74-94 | Bw3 | S | 73.5 | 40.8 | 0.39 | 3 | tr | |||||
| 84P03790 | 94-115 | Bw4 | S | 72.4 | 35.4 | 0.38 | 4 | -- | |||||
| 84P03791 | 115-145 | Bw5 | S | 70.0 | 30.7 | 0.38 | 4 | tr | |||||
| 84P03792 | 145-173 | Bk1 | S | 75.6 | 20.8 | 0.6 | 0.35 | 2 | 1.21 | 0.152 | tr | ||
| 84P03793 | 173-200 | Bk2 | S | 64.1 | 19.2 | 1.5 | 0.36 | 4 | 1 | ||||
| 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 | |||||||||||
| 84P03786 | 0-15 | A | S | 5.3 | 1.73 | 80 | 74 | 36.3 | 0.77 | 0.63 | 1 | tr | |||||||
| 84P03787 | 15-46 | Bw1 | S | 5.0 | 0.47 | 78 | 76 | 48.0 | 0.75 | 0.64 | 8 | 1 | |||||||
| 84P03788 | 46-74 | Bw2 | S | 5.3 | 0.41 | 99 | 83 | 54.9 | 0.74 | 0.76 | 2 | 2 | |||||||
| 84P03789 | 74-94 | Bw3 | S | 5.6 | 0.47 | 100* | 88 | 0.76 | 3 | ||||||||||
| 84P03790 | 94-115 | Bw4 | S | 6.6 | 0.47 | 100* | 93 | 0.75 | 4 | ||||||||||
| 84P03791 | 115-145 | Bw5 | S | 7.5 | 0.47 | 1 | 100* | 96 | 0.77 | 5 | |||||||||
| 84P03792 | 145-173 | Bk1 | S | 7.9 | 0.12 | 8 | 100* | 100 | 0.71 | 5 | |||||||||
| 84P03793 | 173-200 | Bk2 | S | 8.2 | 0.07 | 23 | 100* | 100 | 0.67 | 7 | |||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.75 | (NA) | |
| Clay, carbonate free, Weighted Average | 73 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 3 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 73 | % wt | |
| Weighted averages based on control section: 25-100 cm | |||