| *** Taxonomy Characterization Data *** |
| Pedon ID: 79TX143001 | ( Erath, Texas ) | Print Date: Nov 21 2024 2:19PM |
| Sampled as on Jun 1, 1979: | Exray ; Clayey, mixed, thermic Lithic Haplustalf |
| Revised to correlated: | Exray ; Clayey, mixed, active, thermic Lithic Rhodustalfs |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP79TX154 REDBED STUDY | Natural Resources Conservation Service |
| - | Site ID | S1979TX143001 Lat: 32° 25' 20.00" north Long: 98° 20' 59.99" west MLRA: 80B | National Soil Survey Center | |
| - | Pedon No. | 79P0189 | 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 | 8D1 | 4A1d | 7B1a2 | |||||||||
| 79P00937 | 0-8 | A | S | 9.6 | 4.6 | 0.50 | 49 | 1.39 | 0.012 | 2 | |||
| 79P00938 | 8-20 | E | S | 7.3 | 2.4 | 0.44 | 39 | 1.75 | 0.004 | 3 | |||
| 79P00939 | 20-42 | Bt | S | 53.3 | 36.9 | 0.34 | 34 | 1.42 | 0.048 | 9 | 93 | ||
| 79P00940 | 42-67 | R | S | 37.7 | 27.7 | 0.41 | 87 | 93 | |||||
| 79P00941 | 67-94 | 2Bt | S | 49.9 | 26.2 | 0.34 | 11 | 1.60 | 0.057 | -- | 88 | ||
| 79P00942 | 94-104 | R/C | S | 45.7 | 25.0 | 0.36 | 8 | 1 | |||||
| 79P00943 | 42-67 | R | S | 4.4 | 2.4 | 0.45 | 75 | 2.05 | 0.002 | -- | 99 | ||
| 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 | |||||||||||||
| 79P00937 | 0-8 | A | S | 7.7 | 1.50 | -- | 100* | 91 | 1.09 | -- | |||||||||
| 79P00938 | 8-20 | E | S | 7.6 | 0.42 | -- | 100* | 89 | 0.73 | -- | |||||||||
| 79P00939 | 20-42 | Bt | S | 7.7 | 0.61 | -- | 94 | 84 | 0.45 | tr | |||||||||
| 79P00940 | 42-67 | R | S | 6.9 | 0.51 | 89 | 76 | 0.50 | 1 | ||||||||||
| 79P00941 | 67-94 | 2Bt | S | 5.7 | 0.31 | 97 | 82 | 0.59 | 3 | ||||||||||
| 79P00942 | 94-104 | R/C | S | 5.7 | 0.30 | 90 | 80 | 0.59 | 3 | ||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.45 | (NA) | |
| Clay, carbonate free, Weighted Average | 53 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 34 | % wt | |
| Volume, >2mm, Weighted Average | 9 | % vol | |
| Clay, total, Weighted Average | 53 | % wt | |
| Weighted averages based on control section: 20-42 cm | |||