| *** Taxonomy Characterization Data *** |
| Pedon ID: S1987TX299002 | ( Llano, Texas ) | Print Date: Nov 21 2024 12:24PM |
| Sampled as on Mar 30, 1987: | Katemcy ; Fine, mixed, thermic Udic Haplustalf |
| Revised to correlated on Jul 1, 2011: | Katemcy ; Fine, mixed, active, thermic Typic Haplustalfs |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP87TX159 LLANO COUNTY | Natural Resources Conservation Service |
| - | Site ID | S1987TX299002 Lat: 30° 40' 45.00" north Long: 98° 51' 29.99" west MLRA: 82 | National Soil Survey Center | |
| - | Pedon No. | 87P0466 | 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 | ||||||||||
| 87P02417 | 0-8 | A1 | S | 11.8 | 0.49 | 58 | 1.51 | 0.026 | 1 | 58 | |||
| 87P02418 | 8-24 | A2 | S | 18.9 | 0.42 | 51 | 1.60 | 0.032 | 2 | ||||
| 87P02419 | 24-28 | Bt1 | S | 30.9 | 0.39 | 49 | 1.52 | 0.036 | 5 | ||||
| 87P02420 | 28-50 | Bt2 | S | 39.3 | 0.38 | 47 | 1.50 | 0.051 | 7 | 67 | |||
| 87P02421 | 50-69 | Bt3 | S | 38.7 | 0.41 | 55 | 1.52 | 0.042 | 14 | ||||
| 87P02422 | 69-97 | B/Bt | S | 23.4 | 0.52 | 51 | 1.55 | 0.050 | 7 | ||||
| 87P02423 | 97-200 | Cr | S | 9.1 | 0.74 | 90 | 59 | ||||||
| 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 | |||||||||||||
| 87P02417 | 0-8 | A1 | S | 6.6 | 1.40 | 1.27 | 100* | 78 | 1.02 | -- | |||||||||
| 87P02418 | 8-24 | A2 | S | 6.5 | 0.91 | 0.84 | 96 | 75 | 0.64 | -- | |||||||||
| 87P02419 | 24-28 | Bt1 | S | 6.5 | 0.71 | 0.66 | 100* | 75 | 0.54 | -- | |||||||||
| 87P02420 | 28-50 | Bt2 | S | 6.5 | 0.69 | 0.69 | 96 | 76 | 0.53 | -- | |||||||||
| 87P02421 | 50-69 | Bt3 | S | 6.8 | 0.49 | 0.56 | 97 | 78 | 0.55 | -- | |||||||||
| 87P02422 | 69-97 | B/Bt | S | 7.1 | 0.21 | 0.29 | 97 | 81 | 0.76 | 1 | |||||||||
| 87P02423 | 97-200 | Cr | S | 7.5 | 0.04 | 0.07 | 100* | 87 | 1.58 | -- | |||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.56 | (NA) | |
| Clay, carbonate free, Weighted Average | 37 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 51 | % wt | |
| Volume, >2mm, Weighted Average | 10 | % vol | |
| Clay, total, Weighted Average | 37 | % wt | |
| LE, Whole Soil, Summed to 1m | 0 | cm/m | |
| Weighted averages based on control section: 24-74 cm | |||