| *** Taxonomy Characterization Data *** |
| Pedon ID: 79TX507001 | ( Zavala, Texas ) | Print Date: May 30 2024 6:22AM |
| Sampled as on May 30, 1979: | Duval ; Fine-loamy, mixed, hyperthermic Aridic Haplustalfs |
| Revised to correlated on Jan 1, 2014: | Duval ; Fine-silty, siliceous, superactive, hyperthermic Aridic Haplustalfs |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP79TX210 FRIO AND ZAVALA COUNTIES | Natural Resources Conservation Service |
| - | Site ID | S1979TX507001 Lat: 28° 47' 20.00" north Long: 99° 37' 50.00" west MLRA: 83A | National Soil Survey Center | |
| - | Pedon No. | 79P0330 | 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 | |||||||||||
| 79P01721 | 0-10 | A1 | S | 9.0 | 0.46 | 9 | -- | ||||||
| 79P01722 | 10-38 | A2 | S | 13.5 | 0.36 | 8 | -- | ||||||
| 79P01723 | 38-56 | Bt1 | S | 17.6 | 0.44 | 7 | -- | ||||||
| 79P01724 | 56-91 | Bt2 | S | 21.4 | 0.44 | 6 | tr | ||||||
| 79P01725 | 91-114 | Bt3 | S | 19.3 | 0.45 | 8 | 1 | ||||||
| 79P01726 | 114-137 | Bk | S | 14.8 | 0.53 | 15 | 6 | ||||||
| 79P01727 | 137-203 | Cr | S | 15.1 | 3.1 | 0.50 | 38 | 21 | |||||
| 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 | |||||||||||||
| 79P01721 | 0-10 | A1 | S | 7.1 | 0.76 | -- | 100* | 91 | 0.83 | -- | |||||||||
| 79P01722 | 10-38 | A2 | S | 7.1 | 0.52 | -- | 100* | 91 | 0.61 | -- | |||||||||
| 79P01723 | 38-56 | Bt1 | S | 7.2 | 0.37 | -- | 99 | 92 | 0.65 | -- | |||||||||
| 79P01724 | 56-91 | Bt2 | S | 7.4 | 0.39 | -- | 100* | 90 | 0.66 | -- | |||||||||
| 79P01725 | 91-114 | Bt3 | S | 7.9 | 0.19 | tr | 100* | 100 | 0.76 | 1 | |||||||||
| 79P01726 | 114-137 | Bk | S | 8.2 | 0.14 | 2 | 100* | 100 | 0.91 | -- | |||||||||
| 79P01727 | 137-203 | Cr | S | 8.2 | 0.15 | 18 | 100* | 100 | 0.75 | 2 | |||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.66 | (NA) | |
| Clay, carbonate free, Weighted Average | 20 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 6 | % wt | |
| Clay, total, Weighted Average | 20 | % wt | |
| Weighted averages based on control section: 38-88 cm | |||