| *** Taxonomy Characterization Data *** |
| Pedon ID: 78TX489001 | ( Willacy, Texas ) | Print Date: Dec 4 2024 2:52AM |
| Sampled as on Sep 1, 1978: | Delfina ; Fine-loamy, mixed, hyperthermic Aquic Haplustalf |
| Revised to correlated: | Delfina ; Fine-loamy, mixed, superactive, hyperthermic Typic Haplustalfs |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP78TX157 SAND SHEET STUDY | Natural Resources Conservation Service |
| - | Site ID | S1978TX489001 Lat: 26° 26' 45.00" north Long: 97° 54' 49.99" west MLRA: 83D | National Soil Survey Center | |
| - | Pedon No. | 78P0416 | 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 | ||||||||||
| 78P02310 | 0-18 | Ap | S | 11.0 | 0.41 | 64 | 1.70 | 0.010 | -- | ||||
| 78P02311 | 18-41 | A | S | 16.8 | 0.38 | 60 | 1.56 | 0.017 | -- | 87 | |||
| 78P02312 | 41-64 | Bt1 | S | 22.3 | 0.40 | 56 | 1.53 | 0.034 | -- | ||||
| 78P02313 | 64-81 | Bt2 | S | 26.7 | 0.46 | 50 | 1.60 | 0.048 | -- | 86 | |||
| 78P02314 | 81-99 | Bt3 | S | 29.1 | 0.41 | 51 | 1.67 | 0.042 | -- | ||||
| 78P02315 | 99-147 | Bt4 | S | 24.0 | 0.45 | 51 | 1.66 | 0.025 | -- | 84 | |||
| 78P02316 | 147-183 | Btk1 | S | 21.1 | 0.44 | 50 | 1.69 | 0.014 | -- | ||||
| 78P02317 | 183-244 | Btk2 | S | 21.5 | 0.44 | 51 | 1.68 | 0.016 | -- | ||||
| 78P02318 | 244-290 | Btk3 | S | 20.6 | 0.44 | 49 | 1.66 | 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 | ||||||||||||
| 78P02310 | 0-18 | Ap | S | 5.2 | 0.50 | 92 | 74 | 0.69 | 1.36 | 1 | |||||||||
| 78P02311 | 18-41 | A | S | 6.5 | 0.39 | -- | 100* | 88 | 0.60 | 1.78 | 1 | ||||||||
| 78P02312 | 41-64 | Bt1 | S | 7.1 | 0.40 | -- | 100* | 88 | 0.59 | 0.16 | 4 | ||||||||
| 78P02313 | 64-81 | Bt2 | S | 7.4 | 0.31 | -- | 100* | 92 | 0.65 | 2.76 | 5 | ||||||||
| 78P02314 | 81-99 | Bt3 | S | 7.2 | 0.22 | tr | 100* | 92 | 0.60 | 3.81 | 6 | ||||||||
| 78P02315 | 99-147 | Bt4 | S | 7.4 | 0.15 | tr | 100* | 95 | 0.71 | 3.18 | 6 | ||||||||
| 78P02316 | 147-183 | Btk1 | S | 8.0 | 0.07 | 4 | 100* | 100 | 0.72 | 3.83 | 5 | ||||||||
| 78P02317 | 183-244 | Btk2 | S | 8.0 | 0.07 | 7 | 100* | 100 | 0.67 | 5.23 | 5 | ||||||||
| 78P02318 | 244-290 | Btk3 | S | 7.9 | 0.05 | 9 | 100* | 100 | 0.66 | 5.59 | 6 | ||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.61 | (NA) | |
| Clay, carbonate free, Weighted Average | 25 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 53 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 25 | % wt | |
| LE, Whole Soil, Summed to 1m | 3 | cm/m | |
| Weighted averages based on control section: 41-91 cm | |||