| *** Taxonomy Characterization Data *** |
| Pedon ID: S2019TX305001 | ( Lynn, Texas ) | Print Date: Dec 6 2025 3:46AM |
| Sampled as on Jan 27, 2019: | Arvana ; Fine-loamy, mixed, superactive, thermic Petrocalcic Paleustalfs |
| Revised to : |
| United States Department of Agriculture | ||||
| SSL | - | Project | C2019USTX060 Investigating Benchmark Soils in the South | Natural Resources Conservation Service |
| - | Site ID | S2019TX305001 Lat: 33° 10' 27.32" north Long: 101° 53' 17.91" west MLRA: 77C | National Soil Survey Center | |
| - | Pedon No. | 19N0413 | Kellogg 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 | DbWR1 | ||||||||||
| 19N02749 | 0-9 | A | S | 14.4 | 8.6 | 0.40 | 34 | 1.45 | 0.016 | -- | 80 | ||
| 19N02750 | 9-31 | Bt1 | S | 16.9 | 12.6 | 0.35 | 39 | 1.47 | 0.011 | -- | 92 | ||
| 19N02751 | 31-54 | Bt2 | S | 22.4 | 18.5 | 0.37 | 41 | 1.47 | 0.016 | -- | 96 | ||
| 19N02752 | 54-71 | Bt3 | S | 23.3 | 18.6 | 0.38 | 38 | 1.52 | 0.021 | -- | 95 | ||
| 19N02753 | 71-88 | Bt4 | S | 29.2 | 22.6 | -- | 0.39 | 32 | 1.55 | 0.035 | -- | 95 | |
| 19N03115 | 88-100 | 2Bkkmb | S | -- | -- | ||||||||
| 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 | ||||||
| 3A1a2a | |||||||||||||
| 19N03115 | 88-100 | 2Bkkmb | GP | 39.1 | |||||||||
| 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 | % | |||||||||||
| 4C1a2a | 4H2a | 4G4 | 4E1a1a1a1 | 4F2 | |||||||||||||||
| 19N02749 | 0-9 | A | S | 6.8 | 1.21 | 0.06 | 0.02 | 100* | 0.64 | 0.99 | -- | ||||||||
| 19N02750 | 9-31 | Bt1 | S | 7.3 | 0.54 | 0.06 | 0.01 | 100* | 0.54 | tr | |||||||||
| 19N02751 | 31-54 | Bt2 | S | 7.6 | 0.49 | 0.08 | 0.01 | -- | 96 | 0.56 | tr | ||||||||
| 19N02752 | 54-71 | Bt3 | S | 7.7 | 0.41 | 0.09 | 0.01 | -- | 100* | 0.55 | tr | ||||||||
| 19N02753 | 71-88 | Bt4 | S | 8.1 | 0.45 | 0.13 | 0.01 | tr | 100* | 0.58 | tr | ||||||||
| 19N03115 | 88-100 | 2Bkkmb | GP | 92 | |||||||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 40 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, set 2, Weighted Average | 20 | % wt | |
| Clay, carbonate free, set 2, Weighted Average | 20 | % wt | |
| CEC Activity, CEC7/Clay, Weighted Average, CECd, Set 7 | 0.55 | (NA) | |
| Weighted averages based on control section: 9-59 cm | |||