| *** Taxonomy Characterization Data *** |
| Pedon ID: 77TX047004 | ( Brooks, Texas ) | Print Date: Dec 4 2024 3:19AM |
| Sampled as on Mar 30, 1977: | Falfurrias ; Mixed, hyperthermic Typic Ustipsamment |
| Revised to correlated on Jul 9, 2007: | Falfurrias ; Mixed, hyperthermic Typic Ustipsamments |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP78TX089 SOUTH TEXAS SAND SHEET | Natural Resources Conservation Service |
| - | Site ID | S1977TX047004 Lat: 27° 0' 0.00" north Long: 97° 59' 11.99" west MLRA: 83C | National Soil Survey Center | |
| - | Pedon No. | 78P0208 | 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 | 8D1 | 4A1d | 7B1a2 | |||||||||
| 78P01062 | 0-8 | A1 | S | tr | 91 | -- | |||||||
| 78P01063 | 8-21 | A2 | S | tr | 91 | 1.54 | -- | -- | |||||
| 78P01064 | 21-40 | A3 | S | tr | 91 | 1.53 | -- | -- | |||||
| 78P01065 | 40-96 | A4 | S | tr | 93 | 1.53 | -- | -- | 77 | ||||
| 78P01066 | 96-145 | C1 | S | tr | 92 | 1.52 | -- | -- | |||||
| 78P01067 | 145-203 | C2 | S | tr | 94 | 1.57 | -- | -- | 89 | ||||
| 78P01068 | 203-259 | C3 | S | tr | 91 | 1.56 | -- | -- | |||||
| 78P01069 | 259-332 | C4 | S | tr | 88 | -- | |||||||
| 78P01070 | 332-353 | 2Btb | S | 10.9 | 0.45 | 77 | -- | 94 | |||||
| 78P01071 | 353-401 | S | 13.4 | 13.0 | 0.57 | 77 | -- | ||||||
| 78P01072 | 401-431 | S | 10.5 | 8.9 | 0.52 | 81 | -- | ||||||
| 78P01073 | 431-469 | S | 8.5 | 7.3 | 0.56 | 82 | -- | ||||||
| 78P01074 | 469-498 | S | 10.5 | 8.5 | 0.53 | 81 | -- | ||||||
| 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 | 5C1 | 5C3 | 8D1 | 8A1a | 5D2 | |||||||||||||
| 78P01062 | 0-8 | A1 | S | 6.1 | 0.20 | 100* | 100 | 0.05 | 8 | ||||||||||
| 78P01063 | 8-21 | A2 | S | 5.7 | 0.19 | 85 | 100 | 0.04 | -- | ||||||||||
| 78P01064 | 21-40 | A3 | S | 5.6 | 0.12 | 92 | 71 | 0.02 | 8 | ||||||||||
| 78P01065 | 40-96 | A4 | S | 5.5 | 0.08 | 100* | 67 | 0.01 | -- | ||||||||||
| 78P01066 | 96-145 | C1 | S | 5.4 | 0.04 | 89 | 73 | 0.01 | 11 | ||||||||||
| 78P01067 | 145-203 | C2 | S | 5.3 | 0.02 | 71 | 63 | 0.01 | 14 | ||||||||||
| 78P01068 | 203-259 | C3 | S | 5.4 | 0.02 | 86 | 86 | 0.01 | 14 | ||||||||||
| 78P01069 | 259-332 | C4 | S | 5.7 | 0.03 | 83 | 71 | 0.01 | 8 | ||||||||||
| 78P01070 | 332-353 | 2Btb | S | 6.1 | 0.03 | 89 | 85 | 0.58 | 0.02 | 3 | |||||||||
| 78P01071 | 353-401 | S | 6.0 | 0.04 | 89 | 87 | 0.69 | 0.03 | 2 | ||||||||||
| 78P01072 | 401-431 | S | 6.3 | 0.05 | 93 | 89 | 0.66 | 0.03 | 3 | ||||||||||
| 78P01073 | 431-469 | S | 6.6 | 0.04 | 98 | 92 | 0.73 | 0.04 | 3 | ||||||||||
| 78P01074 | 469-498 | S | 6.5 | 0.03 | 93 | 92 | 0.69 | 0.04 | 3 | ||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0 | (NA) | |
| Clay, carbonate free, Weighted Average | 0 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 93 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 0 | % wt | |
| Weighted averages based on control section: 25-100 cm | |||