| *** Taxonomy Characterization Data *** |
| Pedon ID: 87TX299004 | ( Llano, Texas ) | Print Date: Dec 4 2024 2:54AM |
| Sampled as on Mar 30, 1987: | Click ; Loamy-skeletal, mixed, thermic Typic Haplustalfs |
| Revised to correlated on Sep 16, 2015: | Click ; Loamy-skeletal, mixed, semiactive, thermic Typic Haplustalfs |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP87TX159 LLANO COUNTY | Natural Resources Conservation Service |
| - | Site ID | S1987TX299004 Lat: 30° 36' 51.00" north Long: 98° 53' 39.90" west MLRA: 82A | National Soil Survey Center | |
| - | Pedon No. | 87P0468 | 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 | ||||||||||
| 87P02429 | 0-28 | A | S | 7.0 | 0.39 | 76 | 1.44 | 0.007 | 26 | 69 | |||
| 87P02430 | 28-47 | Bt1 | S | 15.0 | 0.41 | 83 | 1.53 | 0.016 | 41 | ||||
| 87P02431 | 47-75 | Bt2 | S | 20.4 | 0.46 | 88 | 1.55 | 0.009 | 58 | 41 | |||
| 87P02432 | 75-115 | Bt3 | S | 16.4 | 0.46 | 90 | 1.65 | 0.006 | 59 | ||||
| 87P02433 | 115-135 | Cr | S | 9.2 | 0.63 | 92 | 1.64 | 0.006 | 60 | ||||
| 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 | 6A2d | 5C1 | 5C3 | 8D1 | 5D2 | |||||||||||||
| 87P02429 | 0-28 | A | S | 5.9 | 0.27 | 0.32 | 77 | 52 | 0.56 | -- | |||||||||
| 87P02430 | 28-47 | Bt1 | S | 6.3 | 0.16 | 0.13 | 86 | 65 | 0.33 | -- | |||||||||
| 87P02431 | 47-75 | Bt2 | S | 6.7 | 0.17 | 0.19 | 100* | 81 | 0.42 | -- | |||||||||
| 87P02432 | 75-115 | Bt3 | S | 6.6 | 0.11 | 0.10 | 86 | 76 | 0.43 | -- | |||||||||
| 87P02433 | 115-135 | Cr | S | 5.7 | 0.11 | 0.11 | 96 | 72 | 0.62 | -- | |||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.39 | (NA) | |
| Clay, carbonate free, Weighted Average | 18 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 86 | % wt | |
| Volume, >2mm, Weighted Average | 52 | % vol | |
| Clay, total, Weighted Average | 18 | % wt | |
| LE, Whole Soil, Summed to 1m | 1 | cm/m | |
| Weighted averages based on control section: 28-78 cm | |||