*** Taxonomy Characterization Data *** |
Pedon ID: 87TX299001 | ( Llano, Texas ) | Print Date: Nov 23 2024 10:14PM |
Sampled as on Mar 30, 1987: | Voca ; Fine, mixed, thermic Udic Paleustalfs |
Revised to correlated on Jan 30, 2010: | Voca ; Fine, mixed, active, thermic Typic Paleustalfs |
United States Department of Agriculture | ||||
SSL | - | Project | CP87TX159 LLANO COUNTY | Natural Resources Conservation Service |
- | Site ID | S1987TX299001 Lat: 30° 37' 15.00" north Long: 98° 56' 30.00" west MLRA: 82 | National Soil Survey Center | |
- | Pedon No. | 87P0465 | 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 | ||||||||||
87P02410 | 0-12 | A1 | S | 12.2 | 0.43 | 51 | 1.53 | 0.021 | 2 | ||||
87P02411 | 12-35 | A2 | S | 16.9 | 0.43 | 48 | 1.49 | 0.031 | 3 | ||||
87P02412 | 35-62 | Bt1 | S | 44.9 | 0.42 | 55 | 1.37 | 0.056 | 17 | ||||
87P02413 | 62-84 | Bt2 | S | 37.4 | 0.43 | 43 | 1.51 | 0.053 | 5 | ||||
87P02414 | 84-106 | Bt3 | S | 30.8 | 0.43 | 60 | 1.48 | 0.035 | 14 | ||||
87P02415 | 106-122 | B/Bt | S | 34.6 | 0.37 | 87 | 1.27 | 0.021 | 58 | 57 | |||
87P02416 | 122-200 | Cr | S | 10.9 | 0.70 | 72 | 1.44 | 0.030 | 5 | 52 |
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 | 6E1g | 5C1 | 5C3 | 8D1 | 5D2 | ||||||||||||
87P02410 | 0-12 | A1 | S | 6.7 | 0.71 | 0.66 | 100* | 74 | 0.66 | -- | |||||||||
87P02411 | 12-35 | A2 | S | 6.7 | 0.67 | 0.66 | 100* | 81 | 0.65 | -- | |||||||||
87P02412 | 35-62 | Bt1 | S | 6.9 | 0.58 | 0.54 | 95 | 85 | 0.68 | -- | |||||||||
87P02413 | 62-84 | Bt2 | S | 7.4 | 0.46 | 0.43 | -- | 100* | 90 | 0.72 | -- | ||||||||
87P02414 | 84-106 | Bt3 | S | 7.7 | 0.23 | 0.23 | 100* | 89 | 0.61 | 1 | |||||||||
87P02415 | 106-122 | B/Bt | S | 7.7 | 0.16 | 0.18 | -- | 100* | 90 | 0.55 | 1 | ||||||||
87P02416 | 122-200 | Cr | S | 8.3 | 0.04 | 0.15 | 1 | 100* | 100 | 1.39 | -- |
Pedon Calculations | |||
Calculation Name | Result | Units of Measure | |
CEC Activity, CEC7/Clay, Weighted Average | 0.7 | (NA) | |
Clay, carbonate free, Weighted Average | 41 | % wt | |
Weighted Particles, 0.1-75mm, 75 mm Base | 50 | % wt | |
Volume, >2mm, Weighted Average | 12 | % vol | |
Clay, total, Weighted Average | 41 | % wt | |
LE, Whole Soil, Summed to 1m | 4 | cm/m | |
Weighted averages based on control section: 35-85 cm |