| *** Taxonomy Characterization Data *** |
| Pedon ID: S1975TX113002 | ( Dallas, Texas ) | Print Date: Feb 16 2025 6:02AM |
| Sampled as on May 30, 1975: | SILSTID |
| Revised to correlated: | SILSTID ; Loamy, siliceous, thermic Arenic Paleustalfs |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL40001 SSIR SAMPLES | Soil Conservation Service |
| - | Site ID | S1975TX113002 Lat: 32° 37' 1.57" north Long: 96° 36' 23.01" west MLRA: 84C | Lincoln Soil Survey Laboratory | |
| - | Pedon No. | 40A4656 | Soil Laboratory | |
| - | General Methods 1B1A, 2A1, 2B | Lincoln, Nebraska | ||
| 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 | NK | |||||||||||
| 40A35404 | 0-20 | Ap | S | 3.2 | 1.9 | 0.63 | 52 | -- | |||||
| 40A35405 | 20-43 | E | S | 4.6 | 2.1 | 0.43 | 50 | -- | |||||
| 40A35406 | 43-74 | E/B | S | 5.5 | 3.1 | 0.40 | 51 | 1.58 | 0.010 | -- | |||
| 40A35407 | 74-102 | Bt1 | S | 14.6 | 10.3 | 0.43 | 44 | 1.66 | 0.020 | -- | |||
| 40A35408 | 102-137 | Bt2 | S | 19.0 | 14.7 | 0.45 | 47 | 1.68 | 0.023 | -- | |||
| 40A35409 | 137-165 | Bt3 | S | 17.7 | 14.6 | 0.43 | 50 | 1.70 | 0.014 | -- | |||
| 40A35410 | 165-203 | B | S | 11.5 | 9.8 | 0.47 | 68 | 1.60 | 0.008 | -- | |||
| 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 | % | |||||||||||
| NK | NK | NK | 5D2 | ||||||||||||||||
| 40A35404 | 0-20 | Ap | S | 6.4 | 0.38 | 86 | 75 | 1.09 | -- | ||||||||||
| 40A35405 | 20-43 | E | S | 6.4 | 0.15 | 79 | 70 | 0.63 | -- | ||||||||||
| 40A35406 | 43-74 | E/B | S | 6.3 | 0.09 | 79 | 76 | 0.60 | -- | ||||||||||
| 40A35407 | 74-102 | Bt1 | S | 6.3 | 0.10 | 86 | 79 | 0.57 | -- | ||||||||||
| 40A35408 | 102-137 | Bt2 | S | 6.4 | 0.04 | 95 | 81 | 0.61 | 0.20 | 1 | |||||||||
| 40A35409 | 137-165 | Bt3 | S | 6.4 | 0.06 | 95 | 86 | 0.64 | 1 | ||||||||||
| 40A35410 | 165-203 | B | S | 6.5 | 0.10 | 96 | 85 | 0.67 | -- | ||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.6 | (NA) | |
| Clay, carbonate free, Weighted Average | 8 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 48 | % wt | |
| Clay, total, Weighted Average | 8 | % wt | |
| Weighted averages based on control section: 25-100 cm | |||