| *** Taxonomy Characterization Data *** |
| Pedon ID: 83TX215001 | ( Hidalgo, Texas ) | Print Date: Sep 24 2026 7:44AM |
| Sampled as on Jun 1, 1983: | Willacy ; Fine-loamy, mixed, hyperthermic Udic Argiustoll |
| Revised to correlated: | Willacy ; Fine-loamy, mixed, superactive, hyperthermic Typic Argiustolls |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP84TX059 LOWER RIO GRANDE VALLEY TEXAS | Natural Resources Conservation Service |
| - | Site ID | S1983TX215001 Lat: 26° 18' 38.00" north Long: 97° 54' 44.99" west MLRA: 83D | National Soil Survey Center | |
| - | Pedon No. | 84P0233 | 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 | |||||||||
| 84P01215 | 0-15 | Ap1 | S | 15.3 | 12.1 | 0.47 | 53 | 1.60 | 0.018 | -- | |||
| 84P01216 | 15-28 | Ap2 | S | 15.7 | 12.8 | 0.50 | 53 | 1.68 | 0.019 | -- | |||
| 84P01217 | 28-42 | Bt1 | S | 20.2 | 16.6 | 0.49 | 49 | 1.63 | 0.022 | -- | |||
| 84P01218 | 42-64 | Bt2 | S | 27.9 | 23.6 | 0.47 | 44 | 1.56 | 0.043 | -- | |||
| 84P01219 | 64-91 | Bt3 | S | 26.2 | 19.8 | 0.48 | 43 | 1.59 | 0.040 | -- | |||
| 84P01220 | 91-119 | Bk1 | S | 31.7 | 15.6 | 6.0 | 0.42 | 36 | 1.50 | 0.038 | 1 | ||
| 84P01221 | 119-147 | Bk2 | S | 28.8 | 13.0 | 5.1 | 0.43 | 39 | 1.58 | 0.032 | 2 | ||
| 84P01222 | 147-188 | Bk3 | S | 24.6 | 11.2 | 3.2 | 0.44 | 43 | 1.69 | 0.029 | tr | ||
| 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 | ||||||||||||
| 84P01215 | 0-15 | Ap1 | S | 7.7 | 0.63 | -- | 100* | 100 | 0.78 | 1.07 | 2 | ||||||||
| 84P01216 | 15-28 | Ap2 | S | 7.5 | 0.64 | -- | 100* | 96 | 0.75 | 1.12 | 2 | ||||||||
| 84P01217 | 28-42 | Bt1 | S | 7.7 | 0.55 | -- | 100* | 99 | 0.68 | 0.86 | 3 | ||||||||
| 84P01218 | 42-64 | Bt2 | S | 7.6 | 0.38 | -- | 100* | 96 | 0.66 | 0.99 | 3 | ||||||||
| 84P01219 | 64-91 | Bt3 | S | 8.1 | 0.24 | 1 | 100* | 100 | 0.70 | 1.07 | 4 | ||||||||
| 84P01220 | 91-119 | Bk1 | S | 8.4 | 0.21 | 17 | 100* | 100 | 0.52 | 1.35 | 6 | ||||||||
| 84P01221 | 119-147 | Bk2 | S | 8.4 | 0.15 | 18 | 100* | 100 | 0.60 | 1.60 | 6 | ||||||||
| 84P01222 | 147-188 | Bk3 | S | 8.7 | 0.08 | 14 | 100* | 100 | 0.62 | 1.60 | 11 | ||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.68 | (NA) | |
| LE, Whole Soil, Summed to 1m | 3 | cm/m | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 25 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 45 | % wt | |
| Clay, carbonate free, Weighted Average | 25 | % wt | |
| Weighted averages based on control section: 28-78 cm | |||