| *** Taxonomy Characterization Data *** |
| Pedon ID: 79TX429001 | ( Stephens, Texas ) | Print Date: Nov 11 2024 11:37PM |
| Sampled as on Jun 1, 1979: | Bluegrove ; Fine, mixed, thermic Udic Paleustalf |
| Revised to correlated: | Bluegrove ; Fine, mixed, active, thermic Udic Haplustalfs |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP79TX154 REDBED STUDY | Natural Resources Conservation Service |
| - | Site ID | S1979TX429001 Lat: 32° 47' 34.00" north Long: 98° 55' 45.01" west MLRA: 80B | National Soil Survey Center | |
| - | Pedon No. | 79P0191 | 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 | 7B1a2 | ||||||||
| 79P00952 | 0-5 | A1 | S | 11.5 | 6.6 | 0.50 | 14 | 1.56 | 0.008 | 1 | |||
| 79P00953 | 5-12 | A2 | S | 19.8 | 11.2 | 0.40 | 21 | 1.59 | 0.010 | 2 | |||
| 79P00954 | 12-21 | Bt1 | S | 23.7 | 13.3 | 0.39 | 15 | 1.50 | 0.015 | 3 | |||
| 79P00955 | 21-40 | Bt2 | S | 52.6 | 38.1 | 0.33 | 12 | 1.49 | 0.048 | 3 | 96 | ||
| 79P00956 | 40-54 | Bt3 | S | 54.0 | 42.0 | 0.33 | 15 | 1.49 | 0.051 | 4 | |||
| 79P00957 | 54-61 | R/Cr | S | 35.9 | 0.37 | 75 | 88 | ||||||
| 79P00958 | 61-68 | 2Bt | S | 55.8 | 26.6 | 0.36 | 21 | 10 | 94 | ||||
| 79P00959 | 68-112 | 2Cr | S | 32.3 | 1.1 | 0.31 | 54 | 24 | 69 | ||||
| 79P00960 | 112-142 | 3Cr | S | 41.2 | 1.1 | 0.30 | 23 | 4 | |||||
| 79P00961 | 12-21 | Bt1 | S | 37.0 | 32.8 | 0.35 | 14 | 3 | |||||
| 79P00962 | 21-40 | Bt2 | S | 53.7 | 45.1 | 0.34 | 10 | 2 | |||||
| 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 | % | |||||||||||
| 8C1a | 6A1c | 6E1b | 5C1 | 5C3 | 8D1 | 5D2 | |||||||||||||
| 79P00952 | 0-5 | A1 | S | 6.7 | 0.72 | 86 | 71 | 0.78 | -- | ||||||||||
| 79P00953 | 5-12 | A2 | S | 6.7 | 0.91 | 87 | 67 | 0.61 | -- | ||||||||||
| 79P00954 | 12-21 | Bt1 | S | 6.8 | 0.88 | 89 | 73 | 0.59 | -- | ||||||||||
| 79P00955 | 21-40 | Bt2 | S | 7.2 | 0.82 | -- | 89 | 78 | 0.49 | tr | |||||||||
| 79P00956 | 40-54 | Bt3 | S | 7.5 | 0.78 | -- | 91 | 79 | 0.52 | tr | |||||||||
| 79P00957 | 54-61 | R/Cr | S | 8.1 | 0.91 | 4 | 100* | 93 | 0.56 | tr | |||||||||
| 79P00958 | 61-68 | 2Bt | S | 8.1 | 1.11 | 2 | 100* | 90 | 0.56 | tr | |||||||||
| 79P00959 | 68-112 | 2Cr | S | 8.5 | 0.23 | 27 | 100* | 100 | 0.51 | 1 | |||||||||
| 79P00960 | 112-142 | 3Cr | S | 8.6 | 0.07 | 20 | 100* | 100 | 0.52 | 2 | |||||||||
| 79P00961 | 12-21 | Bt1 | S | 7.2 | 0.91 | -- | 91 | 73 | 0.53 | -- | |||||||||
| 79P00962 | 21-40 | Bt2 | S | 7.5 | 0.90 | -- | 91 | 76 | 0.52 | tr | |||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.52 | (NA) | |
| Clay, carbonate free, Weighted Average | 47 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 14 | % wt | |
| Volume, >2mm, Weighted Average | 3 | % vol | |
| Clay, total, Weighted Average | 47 | % wt | |
| Weighted averages based on control section: 12-54 cm | |||