| *** Taxonomy Characterization Data *** |
| Pedon ID: 84TX145002 | ( Falls, Texas ) | Print Date: Feb 1 2025 10:42PM |
| Sampled as on Jun 1, 1984: | Houston Black ; Fine, montmorillonitic, thermic Udic Pellustert |
| Revised to correlated: | Houston Black ; Fine, smectitic, thermic Udic Pellusterts |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP85NL048 SOIL MUSEUM | Natural Resources Conservation Service |
| - | Site ID | S1984TX145002 Lat: 31° 28' 34.00" north Long: 96° 53' 9.99" west MLRA: 86A | National Soil Survey Center | |
| - | Pedon No. | 85P0189 | 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 | |||||||||
| 85P00959 | 0-12 | A1 | S | 51.4 | 8.6 | 5.8 | 0.45 | 7 | 1.20 | 0.121 | tr | ||
| 85P00960 | 12-30 | A2 | S | 53.7 | 5.7 | 7.3 | 0.41 | 6 | 1.25 | 0.112 | tr | ||
| 85P00961 | 30-50 | Bw | S | 53.1 | 3.5 | 7.5 | 0.41 | 6 | 1.28 | 0.093 | tr | ||
| 85P00962 | 50-80 | Bk1 | S | 54.2 | 4.0 | 6.6 | 0.42 | 7 | 1.30 | 0.100 | tr | ||
| 85P00963 | 80-110 | Bk2 | S | 52.5 | 2.4 | 6.0 | 0.44 | 7 | 1.23 | 0.114 | tr | ||
| 85P00964 | 110-150 | Bk3 | S | 46.8 | 9.4 | 11.8 | 0.36 | 3 | 1.41 | 0.077 | -- | ||
| 85P00965 | 150-220 | BC | S | 47.5 | 17.5 | 14.4 | 0.34 | 2 | -- | ||||
| 85P00966 | 220-265 | CB | S | 56.3 | 15.2 | 18.7 | 0.35 | 3 | -- | ||||
| 85P00967 | 0-110 | Bk | S | 49.5 | 12.6 | 2.0 | 0.38 | 4 | tr | ||||
| 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 | ||||||||||||
| 85P00959 | 0-12 | A1 | S | 8.1 | 1.78 | 19 | 100* | 100 | 0.91 | 1.01 | -- | ||||||||
| 85P00960 | 12-30 | A2 | S | 8.1 | 1.03 | 21 | 100* | 100 | 0.90 | 0.74 | -- | ||||||||
| 85P00961 | 30-50 | Bw | S | 8.0 | 0.68 | 22 | 100* | 100 | 0.99 | 0.65 | -- | ||||||||
| 85P00962 | 50-80 | Bk1 | S | 8.0 | 0.59 | 20 | 100* | 100 | 0.89 | 0.60 | -- | ||||||||
| 85P00963 | 80-110 | Bk2 | S | 7.8 | 0.51 | 20 | 100* | 100 | 0.90 | -- | |||||||||
| 85P00964 | 110-150 | Bk3 | S | 8.1 | 0.23 | 55 | 100* | 100 | 0.68 | -- | |||||||||
| 85P00965 | 150-220 | BC | S | 8.1 | 0.17 | 60 | 100* | 100 | 0.62 | -- | |||||||||
| 85P00966 | 220-265 | CB | S | 7.9 | 0.09 | 57 | 100* | 100 | 0.48 | tr | |||||||||
| 85P00967 | 0-110 | Bk | S | 8.0 | 0.35 | 44 | 100* | 100 | 0.74 | -- | |||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 1.05 | (NA) | |
| Clay, carbonate free, Weighted Average | 47 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 7 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 53 | % wt | |
| LE, Whole Soil, Summed to 1m | 0 | cm/m | |
| Weighted averages based on control section: 25-100 cm | |||