| *** Taxonomy Characterization Data *** |
| Pedon ID: 89TX429004 | ( Stephens, Texas ) | Print Date: Nov 21 2024 12:35PM |
| Sampled as on Jun 30, 1989: | Leeray-Int-7M ; Fine, montmorillonitic, thermic Typic Chromusterts |
| Revised to correlated on Mar 31, 2014: | Leeray ; Fine, smectitic, thermic Calcic Haplusterts |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP90TX039 VERTISOL ST.-LEERAY | Natural Resources Conservation Service |
| - | Site ID | S1989TX429004 Lat: 32° 39' 26.00" north Long: 98° 36' 36.00" west MLRA: 80B | National Soil Survey Center | |
| - | Pedon No. | 90P0148 | 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 | 3A1a1a | 8D1 | 4A1d | |||||||||
| 90P00983 | 0-14 | A | S | 39.1 | 36.7 | 0.42 | 13 | 1.37 | 0.066 | tr | |||
| 90P00984 | 14-35 | Bw | S | 43.2 | 32.0 | 0.44 | 9 | 1.42 | 0.106 | -- | |||
| 90P00985 | 35-69 | Bss | S | 44.2 | 29.9 | 3.3 | 0.44 | 9 | 1.36 | 0.108 | -- | ||
| 90P00986 | 69-88 | Bkss1 | S | 42.4 | 26.5 | 1.2 | 0.44 | 11 | 1 | ||||
| 90P00987 | 88-107 | Bkss2 | S | 43.0 | 25.6 | 1.5 | 0.45 | 13 | 1.45 | 0.086 | 4 | ||
| 90P00988 | 107-144 | Bkss3 | S | 42.7 | 26.1 | 1.5 | 0.44 | 10 | 1.40 | 0.093 | 1 | ||
| 90P00989 | 144-164 | Bk | S | 34.2 | 18.2 | 6.3 | 0.37 | 4 | 1.65 | 0.052 | -- | ||
| 90P00990 | 164-188 | Bkss4 | S | 34.5 | 16.6 | 4.6 | 0.38 | 5 | 1.65 | 0.059 | tr | ||
| 90P00991 | 188-207 | 2BCkss | S | 37.0 | 18.7 | 2.6 | 0.38 | 10 | 1.64 | 0.062 | 1 | ||
| 90P00992 | 207-220 | 3Cr | S | 25.3 | 13.7 | 1.4 | 0.40 | 26 | 1.79 | 0.023 | 2 | ||
| 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 | 6E1g | 5C1 | 5C3 | 8D1 | 8A3a | 5D2 | ||||||||||||
| 90P00983 | 0-14 | A | S | 7.5 | 1.87 | tr | 100* | 94 | 0.78 | 0.72 | tr | ||||||||
| 90P00984 | 14-35 | Bw | S | 8.0 | 1.14 | 1 | 100* | 99 | 0.90 | 0.48 | 1 | ||||||||
| 90P00985 | 35-69 | Bss | S | 8.6 | 0.70 | 5 | 100* | 100 | 0.82 | 0.65 | 7 | ||||||||
| 90P00986 | 69-88 | Bkss1 | S | 8.4 | 0.58 | 6 | 100* | 100 | 0.81 | 1.28 | 11 | ||||||||
| 90P00987 | 88-107 | Bkss2 | S | 8.1 | 0.48 | 5 | 100* | 100 | 0.80 | 2.59 | 12 | ||||||||
| 90P00988 | 107-144 | Bkss3 | S | 8.1 | 0.27 | 6 | 100* | 100 | 0.78 | 3.44 | 13 | ||||||||
| 90P00989 | 144-164 | Bk | S | 8.2 | 0.08 | 32 | 100* | 100 | 0.63 | 3.17 | 13 | ||||||||
| 90P00990 | 164-188 | Bkss4 | S | 8.3 | 0.06 | 30 | 100* | 100 | 0.63 | 2.79 | 12 | ||||||||
| 90P00991 | 188-207 | 2BCkss | S | 8.2 | 0.06 | 21 | 100* | 100 | 0.60 | 2.69 | 13 | ||||||||
| 90P00992 | 207-220 | 3Cr | S | 8.4 | 0.07 | 50 | 100* | 100 | 0.53 | 2.34 | 13 | ||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.87 | (NA) | |
| Clay, carbonate free, Weighted Average | 41 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 10 | % wt | |
| Volume, >2mm, Weighted Average | 1 | % vol | |
| Clay, total, Weighted Average | 43 | % wt | |
| Weighted averages based on control section: 25-100 cm | |||