| *** Taxonomy Characterization Data *** |
| Pedon ID: 70TX057022 | ( Calhoun, Texas ) | Print Date: Nov 13 2025 12:46PM |
| Sampled as on Dec 30, 1969: | Matagorda |
| Revised to correlated: | Matagorda ; Fine, mixed, active, hyperthermic Typic Natraqualfs |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL40001 SSIR SAMPLES | Soil Conservation Service |
| - | Site ID | S1970TX057022 Lat: 28° 31' 51.00" north Long: 96° 31' 11.00" west MLRA: 150B | Lincoln Soil Survey Laboratory | |
| - | Pedon No. | 40A4431 | 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 | |||||||||||||
| 40A33894 | 0-25 | A | S | 2.7 | 0.74 | 16 | -- | ||||||
| 40A33895 | 25-48 | Bt11 | S | 38.2 | 0.51 | 15 | -- | ||||||
| 40A33896 | 48-79 | Bt12 | S | 43.6 | 0.50 | 15 | -- | ||||||
| 40A33897 | 79-119 | Bt2 | S | 28.4 | 0.50 | 20 | -- | ||||||
| 40A33898 | 119-193 | C | S | 31.1 | 0.47 | 19 | -- | ||||||
| 40A33899 | 193-244 | 2C | S | 17.4 | 0.52 | 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 | % | |||||||||||
| 8C1a | 6A1a | 6E1b | 8A1a | 5D2 | |||||||||||||||
| 40A33894 | 0-25 | A | S | 6.7 | 0.35 | -- | 97 | 65 | 1.15 | 0.37 | 3 | ||||||||
| 40A33895 | 25-48 | Bt11 | S | 7.1 | 0.76 | -- | 100* | 87 | 0.57 | 3.29 | 23 | ||||||||
| 40A33896 | 48-79 | Bt12 | S | 7.2 | 0.40 | -- | 100* | 92 | 0.58 | 7.06 | 28 | ||||||||
| 40A33897 | 79-119 | Bt2 | S | 7.9 | 0.12 | -- | 100* | 100 | 0.60 | 7.90 | 51 | ||||||||
| 40A33898 | 119-193 | C | S | 7.8 | 0.04 | -- | 100* | 100 | 0.62 | 6.32 | 52 | ||||||||
| 40A33899 | 193-244 | 2C | S | 7.7 | 0.02 | -- | 100* | 100 | 0.68 | 18.90 | 82 | ||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.57 | (NA) | |
| Clay, carbonate free, Weighted Average | 41 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 15 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 41 | % wt | |
| Weighted averages based on control section: 25-75 cm | |||