| *** Taxonomy Characterization Data *** |
| Pedon ID: S1975TX113007 | ( Dallas, Texas ) | Print Date: Jan 29 2025 11:24PM |
| Sampled as on May 30, 1975: | SILAWA |
| Revised to correlated on Sep 16, 2001: | SILAWA ; Fine-loamy, siliceous, thermic Ultic Haplustalf |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL40001 SSIR SAMPLES | Soil Conservation Service |
| - | Site ID | S1975TX113007 Lat: 32° 48' 47.55" north Long: 96° 59' 6.06" west | Lincoln Soil Survey Laboratory | |
| - | Pedon No. | 40A4661 | 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 | |||||||||||
| 40A35443 | 0-9 | Ap | S | 5.1 | 2.2 | 0.86 | 53 | -- | |||||
| 40A35444 | 9-22 | E | S | 6.3 | 3.0 | 0.37 | 55 | 1.70 | -- | 1 | |||
| 40A35445 | 22-42 | Bt1 | S | 32.4 | 24.1 | 0.39 | 33 | 1.60 | 0.022 | -- | |||
| 40A35446 | 42-69 | Bt2 | S | 29.8 | 23.4 | 0.37 | 34 | 1.58 | 0.021 | -- | |||
| 40A35447 | 69-91 | Bt3 | S | 28.5 | 22.2 | 0.36 | 34 | 1.65 | 0.016 | -- | |||
| 40A35448 | 91-114 | Bt4 | S | 27.3 | 21.0 | 0.36 | 35 | -- | |||||
| 40A35449 | 114-143 | Bt5 | S | 28.8 | 21.6 | 0.36 | 33 | 1.71 | 0.013 | -- | |||
| 40A35450 | 143-196 | B1 | S | 17.0 | 12.7 | 0.39 | 45 | -- | |||||
| 40A35451 | 196-236 | B2 | S | 12.1 | 9.9 | 0.40 | 74 | 1.60 | 0.012 | -- | |||
| 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 | ||||||||||||||||
| 40A35443 | 0-9 | Ap | S | 4.7 | 1.48 | 84 | 53 | 1.12 | -- | ||||||||||
| 40A35444 | 9-22 | E | S | 5.6 | 0.26 | 96 | 58 | 0.43 | -- | ||||||||||
| 40A35445 | 22-42 | Bt1 | S | 6.3 | 0.33 | 88 | 73 | 0.39 | -- | ||||||||||
| 40A35446 | 42-69 | Bt2 | S | 5.2 | 0.25 | 77 | 60 | 8.6 | 0.37 | 0.29 | 1 | 1 | |||||||
| 40A35447 | 69-91 | Bt3 | S | 4.5 | 0.17 | 42 | 32 | 7.5 | 0.36 | 0.26 | 41 | 1 | |||||||
| 40A35448 | 91-114 | Bt4 | S | 4.3 | 0.13 | 37 | 30 | 7.4 | 0.37 | 0.27 | 50 | 0.18 | 1 | ||||||
| 40A35449 | 114-143 | Bt5 | S | 4.6 | 0.11 | 40 | 30 | 7.8 | 0.38 | 0.27 | 44 | 1 | |||||||
| 40A35450 | 143-196 | B1 | S | 4.8 | 0.05 | 56 | 43 | 5.3 | 0.42 | 0.31 | 25 | 3 | |||||||
| 40A35451 | 196-236 | B2 | S | 5.1 | 0.02 | 72 | 53 | 4.3 | 0.45 | 0.36 | 9 | 6 | |||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.38 | (NA) | |
| Clay, carbonate free, Weighted Average | 31 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 34 | % wt | |
| Clay, total, Weighted Average | 31 | % wt | |
| Weighted averages based on control section: 22-72 cm | |||