| *** Taxonomy Characterization Data *** |
| Pedon ID: 56TX409003 | ( San Patricio, Texas ) | Print Date: Dec 9 2025 4:22AM |
| Sampled as on Oct 30, 1956: | Not Designated ; Fine-loamy, mixed Typic Ochraqualfs |
| Revised to correlated: | Orelia ; Fine-loamy, mixed, superactive, hyperthermic Typic Ochraqualf |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL40001 SSIR SAMPLES | Soil Conservation Service |
| - | Site ID | S1956TX409003 Lat: 28° 5' 0.00" north Long: 97° 29' 1.99" west MLRA: 150A | Lincoln Soil Survey Laboratory | |
| - | Pedon No. | 40A4436 | 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 | |||||||||||||
| 40A33929 | 0-15 | Ap | S | 11.7 | 0.42 | 50 | -- | ||||||
| 40A33930 | 15-30 | Bt1 | S | 26.3 | 0.43 | 39 | -- | ||||||
| 40A33931 | 30-51 | Bt2 | S | 32.2 | 0.43 | 35 | -- | ||||||
| 40A33932 | 51-66 | Bt3 | S | 30.6 | 0.42 | 36 | -- | ||||||
| 40A33933 | 66-81 | Btk | S | 28.2 | 0.42 | 36 | -- | ||||||
| 40A33934 | 81-112 | Bk | S | 29.9 | 0.43 | 33 | -- | ||||||
| 40A33935 | 112-152 | C | S | 31.5 | 0.41 | 30 | -- | ||||||
| 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 | % | |||||||||||
| 8C1a | 6A1a | 6E1a | 8A1a | 5D2 | |||||||||||||||
| 40A33929 | 0-15 | Ap | S | 6.6 | 0.45 | -- | 93 | 85 | 0.77 | 0.90 | 2 | ||||||||
| 40A33930 | 15-30 | Bt1 | S | 7.2 | 0.50 | -- | 100* | 92 | 0.80 | 1.20 | 6 | ||||||||
| 40A33931 | 30-51 | Bt2 | S | 7.7 | 0.48 | -- | 100* | 96 | 0.80 | 1.10 | 8 | ||||||||
| 40A33932 | 51-66 | Bt3 | S | 8.0 | 0.30 | 1 | 100* | 97 | 0.81 | 1.60 | 10 | ||||||||
| 40A33933 | 66-81 | Btk | S | 8.3 | 0.19 | 3 | 100 | 0.75 | 2.10 | 11 | |||||||||
| 40A33934 | 81-112 | Bk | S | 8.1 | 0.14 | 5 | 100 | 0.74 | 2.60 | 13 | |||||||||
| 40A33935 | 112-152 | C | S | 8.1 | 0.07 | 7 | 100 | 0.67 | 3.40 | 13 | |||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.8 | (NA) | |
| Clay, carbonate free, Weighted Average | 30 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 36 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 30 | % wt | |
| Weighted averages based on control section: 15-65 cm | |||