| *** Taxonomy Characterization Data *** |
| Pedon ID: S1975TX113005 | ( Dallas, Texas ) | Print Date: May 31 2024 3:25PM |
| Sampled as on May 30, 1975: | SILAWA |
| Revised to correlated: | Silawa ; Fine-loamy, siliceous, semiactive, thermic Udic Haplustalfs |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL40001 SSIR SAMPLES | Soil Conservation Service |
| - | Site ID | S1975TX113005 Lat: 32° 55' 19.55" north Long: 96° 56' 13.05" west MLRA: 84C | Lincoln Soil Survey Laboratory | |
| - | Pedon No. | 40A4659 | 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 | |||||||||||
| 40A35427 | 0-20 | Ap | S | 5.7 | 1.0 | 0.51 | 47 | -- | |||||
| 40A35428 | 20-33 | Bt1 | S | 22.4 | 15.5 | 0.39 | 36 | 1.66 | 0.022 | -- | |||
| 40A35429 | 33-66 | Bt2 | S | 28.0 | 21.4 | 0.41 | 28 | 1.61 | 0.038 | -- | |||
| 40A35430 | 66-99 | Bt3 | S | 22.1 | 15.4 | 0.41 | 27 | 1.66 | 0.027 | -- | |||
| 40A35431 | 99-127 | Bt4 | S | 19.2 | 12.8 | 0.41 | 27 | 1.64 | 0.018 | -- | |||
| 40A35432 | 127-163 | B | S | 12.3 | 7.8 | 0.40 | 46 | 1.63 | 0.018 | -- | |||
| 40A35433 | 163-213 | C | S | 20.7 | 12.6 | 0.16 | 10 | 1.56 | 0.013 | -- | |||
| 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 | ||||||||||||||||
| 40A35427 | 0-20 | Ap | S | 5.8 | 0.63 | 89 | 65 | 0.81 | -- | ||||||||||
| 40A35428 | 20-33 | Bt1 | S | 5.7 | 0.42 | 91 | 75 | 0.53 | -- | ||||||||||
| 40A35429 | 33-66 | Bt2 | S | 6.4 | 0.39 | 90 | 78 | 0.52 | -- | ||||||||||
| 40A35430 | 66-99 | Bt3 | S | 6.6 | 0.23 | 94 | 79 | 0.53 | 1 | ||||||||||
| 40A35431 | 99-127 | Bt4 | S | 6.5 | 0.15 | 95 | 81 | 0.55 | 0.13 | 1 | |||||||||
| 40A35432 | 127-163 | B | S | 6.1 | 0.06 | 93 | 74 | 0.56 | 1 | ||||||||||
| 40A35433 | 163-213 | C | S | 5.9 | 0.07 | 96 | 77 | 0.59 | 5 | ||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.52 | (NA) | |
| Clay, carbonate free, Weighted Average | 26 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 30 | % wt | |
| Clay, total, Weighted Average | 26 | % wt | |
| Weighted averages based on control section: 20-70 cm | |||