| *** Taxonomy Characterization Data *** |
| Pedon ID: 86TX299001 | ( Llano, Texas ) | Print Date: Feb 17 2025 2:53AM |
| Sampled as on Feb 27, 1986: | Llano ; Loamy-skeletal, mixed, shallow Udic Haplustalfs |
| Revised to correlated on Sep 1, 1991: | (unnamed) ; Loamy-skeletal, mixed, active, thermic Typic Haplustalf |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP86TX107 LLANO COUNTY | Natural Resources Conservation Service |
| - | Site ID | S1986TX299001 Lat: 30° 38' 43.00" north Long: 98° 52' 9.00" west MLRA: 82 | National Soil Survey Center | |
| - | Pedon No. | 86P0294 | 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 | 8D1 | 4A1d | 7B1a2 | ||||||||||
| 86P01734 | 0-9 | A | S | 16.9 | 0.41 | 64 | 1.53 | 0.017 | 40 | 37 | |||
| 86P01735 | 9-23 | Bt1 | S | 21.7 | 0.39 | 87 | 72 | ||||||
| 86P01736 | 23-38 | Bt2 | S | 42.4 | 0.41 | 46 | 1.29 | 0.103 | 14 | 45 | |||
| 86P01737 | 38-49 | Bt/C | S | 23.0 | 0.50 | 74 | 59 | ||||||
| 86P01738 | 49-74 | Cr1 | S | 17.4 | 0.55 | 70 | 8 | ||||||
| 86P01739 | 74-135 | Cr2 | S | 4.5 | 0.84 | 88 | 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 | % | |||||||||||
| 4C1a2a | 6A1c | 5C1 | 5C3 | 8D1 | 5D2 | ||||||||||||||
| 86P01734 | 0-9 | A | S | 5.9 | 1.47 | 89 | 75 | 0.66 | -- | ||||||||||
| 86P01735 | 9-23 | Bt1 | S | 6.1 | 0.87 | 90 | 79 | 0.58 | -- | ||||||||||
| 86P01736 | 23-38 | Bt2 | S | 6.2 | 0.93 | 92 | 82 | 0.56 | tr | ||||||||||
| 86P01737 | 38-49 | Bt/C | S | 6.6 | 0.53 | 94 | 84 | 0.83 | 1 | ||||||||||
| 86P01738 | 49-74 | Cr1 | S | 7.0 | 0.29 | 100* | 88 | 1.02 | 1 | ||||||||||
| 86P01739 | 74-135 | Cr2 | S | 6.8 | 0.12 | 100* | 90 | 1.76 | 1 | ||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.57 | (NA) | |
| Clay, carbonate free, Weighted Average | 32 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 66 | % wt | |
| Volume, >2mm, Weighted Average | 42 | % vol | |
| Clay, total, Weighted Average | 32 | % wt | |
| Weighted averages based on control section: 9-38 cm | |||