| *** Taxonomy Characterization Data *** |
| Pedon ID: 78TX215001 | ( Hidalgo, Texas ) | Print Date: Mar 2 2025 8:54AM |
| Sampled as on Sep 1, 1978: | Delfina ; Fine-loamy, mixed, hyperthermic Aquic Haplustalf |
| Revised to correlated on Jun 24, 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 | S1978TX215001 Lat: 26° 31' 50.00" north Long: 98° 7' 20.00" west MLRA: 83D | National Soil Survey Center | |
| - | Pedon No. | 78P0414 | 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 | ||||||||||
| 78P02291 | 0-20 | A1 | S | 3.3 | 0.85 | 68 | 1.60 | 0.008 | -- | ||||
| 78P02292 | 20-33 | A2 | S | 6.5 | 0.48 | 65 | 1.66 | 0.008 | -- | 89 | |||
| 78P02293 | 33-46 | Bt1 | S | 28.0 | 0.47 | 50 | 1.55 | 0.037 | -- | ||||
| 78P02294 | 46-76 | Bt2 | S | 22.0 | 0.54 | 52 | 1.50 | 0.047 | -- | 87 | |||
| 78P02295 | 76-107 | Btk1 | S | 27.0 | 0.52 | 51 | 1.53 | 0.051 | 2 | ||||
| 78P02296 | 107-142 | Btk2 | S | 23.7 | 0.55 | 51 | 1.57 | 0.046 | 1 | 86 | |||
| 78P02297 | 142-170 | Btk3 | S | 18.6 | 0.56 | 53 | 1.57 | 0.035 | tr | ||||
| 78P02298 | 170-203 | Btk4 | S | 13.2 | 0.59 | 57 | 1.57 | 0.027 | tr | ||||
| 78P02299 | 203-267 | Btk5 | S | 11.5 | 0.56 | 62 | 1.62 | 0.022 | -- | 86 | |||
| 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 | ||||||||||||
| 78P02291 | 0-20 | A1 | S | 7.1 | 0.40 | 93 | 77 | 1.21 | 0.07 | -- | |||||||||
| 78P02292 | 20-33 | A2 | S | 6.7 | 93 | 78 | 0.69 | 0.05 | -- | ||||||||||
| 78P02293 | 33-46 | Bt1 | S | 7.9 | 97 | 88 | 0.61 | 0.18 | 12 | ||||||||||
| 78P02294 | 46-76 | Bt2 | S | 8.5 | tr | 100* | 96 | 0.69 | 0.76 | 14 | |||||||||
| 78P02295 | 76-107 | Btk1 | S | 9.0 | tr | 100* | 100 | 0.67 | 1.21 | 23 | |||||||||
| 78P02296 | 107-142 | Btk2 | S | 8.8 | tr | 100* | 100 | 0.70 | 2.47 | 27 | |||||||||
| 78P02297 | 142-170 | Btk3 | S | 8.6 | 1 | 100* | 100 | 0.75 | 4.00 | 28 | |||||||||
| 78P02298 | 170-203 | Btk4 | S | 8.4 | 1 | 100* | 100 | 0.80 | 6.31 | 25 | |||||||||
| 78P02299 | 203-267 | Btk5 | S | 8.3 | tr | 100* | 100 | 0.77 | 7.07 | 24 | |||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.67 | (NA) | |
| Clay, carbonate free, Weighted Average | 24 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 51 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 24 | % wt | |
| LE, Whole Soil, Summed to 1m | 3 | cm/m | |
| Weighted averages based on control section: 33-83 cm | |||