| *** Taxonomy Characterization Data *** |
| Pedon ID: 86TX299003 | ( Llano, Texas ) | Print Date: Nov 12 2024 9:31AM |
| Sampled as on Mar 1, 1986: | Keese ; Loamy, mixed, thermic Lithic Ustochrept |
| Revised to correlated on Nov 3, 2015: | Keese ; Loamy, mixed, active, thermic, shallow Typic Haplustepts |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP86TX107 LLANO COUNTY | Natural Resources Conservation Service |
| - | Site ID | S1986TX299003 Lat: 30° 37' 4.90" north Long: 98° 55' 36.10" west MLRA: 82 | National Soil Survey Center | |
| - | Pedon No. | 86P0296 | 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 | |||||||||
| 86P01744 | 0-10 | A1 | S | 6.9 | 0.48 | 72 | 1.70 | 0.004 | 23 | ||||
| 86P01745 | 10-30 | A2 | S | 8.3 | 3.2 | 0.39 | 78 | 1.48 | 0.012 | 24 | 20 | ||
| 86P01746 | 30-40 | Cr/Bt1 | S | 15.4 | 8.9 | 0.38 | 84 | 41 | |||||
| 86P01747 | 40-73 | Cr/Bt2 | S | 12.6 | 8.5 | 0.49 | 87 | 40 | |||||
| 86P01748 | 73-122 | Cr | S | 12.2 | 0.50 | 86 | 36 | ||||||
| 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 | ||||||||||||||
| 86P01744 | 0-10 | A1 | S | 6.2 | 0.89 | 92 | 80 | 0.71 | -- | ||||||||||
| 86P01745 | 10-30 | A2 | S | 6.5 | 0.44 | 85 | 77 | 0.48 | -- | ||||||||||
| 86P01746 | 30-40 | Cr/Bt1 | S | 6.5 | 0.32 | 89 | 79 | 0.40 | 2 | ||||||||||
| 86P01747 | 40-73 | Cr/Bt2 | S | 6.4 | 0.19 | 85 | 78 | 0.42 | 2 | ||||||||||
| 86P01748 | 73-122 | Cr | S | 5.8 | 0.14 | 84 | 69 | 0.50 | 3 | ||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.42 | (NA) | |
| Clay, carbonate free, Weighted Average | 13 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 85 | % wt | |
| Volume, >2mm, Weighted Average | 39 | % vol | |
| Clay, total, Weighted Average | 13 | % wt | |
| Weighted averages based on control section: 25-73 cm | |||