| *** Taxonomy Characterization Data *** |
| Pedon ID: S1978TX249001 | ( Jim Wells, Texas ) | Print Date: Apr 22 2025 3:10PM |
| Sampled as on Sep 1, 1978: | Delfina ; Fine-loamy, mixed, hyperthermic Aquic Haplustalf |
| Revised to correlated on Mar 9, 2015: | Delfina ; Fine-loamy, mixed, superactive, hyperthermic Typic Paleustalfs |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP78TX157 SAND SHEET STUDY | Natural Resources Conservation Service |
| - | Site ID | S1978TX249001 Lat: 27° 38' 40.00" north Long: 98° 1' 30.01" west MLRA: 83C | National Soil Survey Center | |
| - | Pedon No. | 78P0415 | 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 | ||||||||||
| 78P02300 | 0-25 | A1 | S | 8.6 | 0.40 | 61 | 1.60 | 0.006 | -- | ||||
| 78P02301 | 25-41 | A2 | S | 12.3 | 0.43 | 59 | 1.50 | 0.011 | -- | 94 | |||
| 78P02302 | 41-53 | Bt1 | S | 24.1 | 0.48 | 48 | 1.47 | 0.031 | -- | ||||
| 78P02303 | 53-86 | Bt2 | S | 29.7 | 0.44 | 43 | 1.61 | 0.049 | -- | 85 | |||
| 78P02304 | 86-127 | Btk1 | S | 27.0 | 0.42 | 40 | 1.59 | 0.042 | -- | ||||
| 78P02305 | 127-165 | Btk2 | S | 24.0 | 0.41 | 44 | 1.59 | 0.032 | tr | 90 | |||
| 78P02306 | 165-218 | Btk3 | S | 21.9 | 0.44 | 40 | 1.58 | -- | -- | ||||
| 78P02307 | 218-262 | Btk4 | S | 20.6 | 0.40 | 38 | 1.52 | 0.024 | tr | ||||
| 78P02308 | 262-295 | Bk1 | S | 20.5 | 0.42 | 36 | 1.51 | 0.026 | tr | 91 | |||
| 78P02309 | 295-338 | Bk2 | S | 22.2 | 0.41 | 35 | 1.52 | 0.028 | 1 | ||||
| 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 | 6A1c | 6E1b | 5C1 | 5C3 | 8D1 | 8A1a | 5D2 | ||||||||||||
| 78P02300 | 0-25 | A1 | S | 6.5 | 96 | 63 | 0.59 | 0.08 | -- | ||||||||||
| 78P02301 | 25-41 | A2 | S | 6.3 | 91 | 73 | 0.63 | 0.09 | -- | ||||||||||
| 78P02302 | 41-53 | Bt1 | S | 6.7 | 93 | 84 | 0.73 | 0.11 | -- | ||||||||||
| 78P02303 | 53-86 | Bt2 | S | 7.6 | -- | 100* | 92 | 0.70 | 0.23 | tr | |||||||||
| 78P02304 | 86-127 | Btk1 | S | 8.5 | 7 | 100* | 97 | 0.62 | 0.15 | 1 | |||||||||
| 78P02305 | 127-165 | Btk2 | S | 8.4 | 6 | 100* | 98 | 0.65 | 0.14 | 1 | |||||||||
| 78P02306 | 165-218 | Btk3 | S | 8.6 | 9 | 100* | 100 | 0.64 | 0.15 | 1 | |||||||||
| 78P02307 | 218-262 | Btk4 | S | 8.6 | 19 | 100* | 100 | 0.49 | 0.15 | 1 | |||||||||
| 78P02308 | 262-295 | Bk1 | S | 8.7 | 20 | 100* | 100 | 0.38 | 0.16 | 1 | |||||||||
| 78P02309 | 295-338 | Bk2 | S | 8.6 | 0.05 | 22 | 100* | 95 | 0.35 | 0.18 | 3 | ||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.7 | (NA) | |
| Clay, carbonate free, Weighted Average | 28 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 44 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 28 | % wt | |
| LE, Whole Soil, Summed to 1m | 3 | cm/m | |
| Weighted averages based on control section: 41-91 cm | |||