| *** Taxonomy Characterization Data *** |
| Pedon ID: 76TX013003 | ( Atascosa, Texas ) | Print Date: Nov 24 2024 4:22AM |
| Sampled as on Apr 18, 1976: | ALUF |
| Revised to correlated on Jul 1, 1977: | Aluf ; Sandy, siliceous, hyperthermic Psammentic Paleustalf |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL40001 SSIR SAMPLES | Soil Conservation Service |
| - | Site ID | S1976TX013003 Lat: 29° 10' 16.00" north Long: 98° 34' 56.99" west MLRA: 87A | Lincoln Soil Survey Laboratory | |
| - | Pedon No. | 40A4677 | Soil Laboratory | |
| - | General Methods 1B1A, 2A1, 2B | Lincoln, Nebraska | ||
| 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 | |||||||||||||
| 40A35543 | 0-38 | A | S | 1.0 | 0.60 | 91 | -- | ||||||
| 40A35544 | 38-127 | E | S | 0.6 | 91 | -- | |||||||
| 40A35545 | 127-203 | E/Bt | S | 1.1 | 0.45 | 92 | -- | ||||||
| 40A35546 | 127-203 | Bt | S | 7.0 | 0.31 | 87 | -- | ||||||
| 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 | % | |||||||||||
| NK | NK | 5D2 | |||||||||||||||||
| 40A35543 | 0-38 | A | S | 6.2 | 0.12 | 100* | 44 | 0.80 | -- | ||||||||||
| 40A35544 | 38-127 | E | S | 5.9 | 0.01 | 67 | 67 | -- | |||||||||||
| 40A35545 | 127-203 | E/Bt | S | 5.1 | 75 | 43 | 0.36 | -- | |||||||||||
| 40A35546 | 127-203 | Bt | S | 5.7 | 71 | 56 | 0.30 | -- | |||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.55 | (NA) | |
| Clay, carbonate free, Weighted Average | 1 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 91 | % wt | |
| Clay, total, Weighted Average | 1 | % wt | |
| Weighted averages based on control section: 25-100 cm | |||