| *** Taxonomy Characterization Data *** |
| Pedon ID: S2014TX275001 | ( Knox, Texas ) | Print Date: Dec 6 2025 4:39PM |
| Sampled as on Sep 30, 2014: | Altus ; Fine-loamy, mixed, superactive, thermic Pachic Argiustolls |
| Revised to : |
| United States Department of Agriculture | ||||
| SSL | - | Project | C2015USTX021 SCAN sites 12/2014 | Natural Resources Conservation Service |
| - | Site ID | S2014TX275001 Lat: 33° 26' 46.31" north Long: 99° 51' 59.85" west MLRA: 78C | National Soil Survey Center | |
| - | Pedon No. | 15N0346 | Kellogg 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 | DbWR1 | |||||||||||
| 15N01894 | 0-15 | Ap1 | S | 12.1 | 0.46 | 37 | 1.36 | 0.022 | -- | ||||
| 15N01895 | 15-27 | Ap2 | S | 14.2 | -- | 0.45 | 39 | 1.60 | 0.024 | -- | |||
| 15N01896 | 27-52 | Bt | S | 22.8 | -- | 0.40 | 33 | 1.44 | 0.034 | tr | 89 | ||
| 15N01897 | 52-68 | Btk1 | S | 19.9 | -- | 0.41 | 37 | 1.49 | 0.028 | -- | 91 | ||
| 15N01898 | 68-90 | Btk2 | S | 14.2 | -- | 0.38 | 47 | 1.49 | 0.020 | -- | 86 | ||
| 15N01899 | 90-105 | Btk3 | S | 13.7 | -- | 0.38 | 49 | 1.53 | 0.017 | 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 | 4H2a | 4E1a1a1a1 | |||||||||||||||||
| 15N01894 | 0-15 | Ap1 | S | 7.2 | 0.74 | tr | 100* | 0.73 | -- | ||||||||||
| 15N01895 | 15-27 | Ap2 | S | 7.0 | 0.38 | tr | 100* | 0.68 | -- | ||||||||||
| 15N01896 | 27-52 | Bt | S | 7.6 | 0.51 | tr | 100* | 0.71 | -- | ||||||||||
| 15N01897 | 52-68 | Btk1 | S | 8.0 | 0.38 | 1 | 100* | 0.72 | -- | ||||||||||
| 15N01898 | 68-90 | Btk2 | S | 8.3 | 0.21 | 1 | 100* | 0.69 | -- | ||||||||||
| 15N01899 | 90-105 | Btk3 | S | 8.3 | 0.46 | 3 | 100* | 0.65 | -- | ||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 37 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 20 | % wt | |
| Clay, carbonate free, Weighted Average | 20 | % wt | |
| CEC Activity, CEC7/Clay, Weighted Average, CECd, Set 4 | 0.71 | (NA) | |
| LE, Whole Soil, Summed to 1m | 3 | cm/m | |
| Weighted averages based on control section: 27-77 cm | |||