| *** Taxonomy Characterization Data *** |
| Pedon ID: 81LA069005 | ( NatchitochesParish, Louisiana ) | Print Date: Nov 21 2024 3:30PM |
| Sampled as on Oct 1, 1981: | Natchitoches ; Fine, montmorillonitic, thermic Vertic Hapludalf |
| Revised to correlated: | Natchitoches ; Fine, smectitic, thermic Vertic Hapludalfs |
| United States Department of Agriculture | ||||
| SSL | - | Project | RP81LA135 GREEN-SAND STUDY | Natural Resources Conservation Service |
| - | Site ID | S1981LA069005 Lat: 32° 3' 36.01" north Long: 93° 1' 30.01" west MLRA: 133B | National Soil Survey Center | |
| - | Pedon No. | 81P0274 | 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 | |||||||||||
| 81P01421 | 0-15 | A | S | 16.6 | 0.98 | 50 | 1.25 | 0.038 | tr | ||||
| 81P01422 | 15-30 | Bt1 | S | 33.4 | 0.56 | 39 | 1.47 | 0.043 | tr | ||||
| 81P01423 | 30-56 | Bt2 | S | 58.2 | 0.49 | 26 | 1.27 | 0.102 | -- | ||||
| 81P01424 | 56-84 | C1 | S | 63.0 | 0.48 | 25 | 1.19 | 0.144 | 3 | ||||
| 81P01425 | 84-112 | C2 | S | 58.8 | 0.60 | 29 | 1.12 | 0.138 | -- | ||||
| 81P01426 | 112-160 | C3 | S | 43.8 | 0.85 | 37 | 1.03 | 0.123 | -- | ||||
| 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 | 5A3b | 8D1 | 5G1 | 5D2 | |||||||||||
| 81P01421 | 0-15 | A | S | 5.5 | 4.46 | 75 | 61 | 2.10 | -- | ||||||||||
| 81P01422 | 15-30 | Bt1 | S | 5.1 | 0.54 | 58 | 51 | 23.3 | 0.96 | 0.70 | 21 | tr | |||||||
| 81P01423 | 30-56 | Bt2 | S | 4.9 | 0.54 | 59 | 52 | 35.0 | 0.78 | 0.60 | 23 | 1 | |||||||
| 81P01424 | 56-84 | C1 | S | 4.6 | 0.28 | 72 | 66 | 43.4 | 0.85 | 0.69 | 12 | 1 | |||||||
| 81P01425 | 84-112 | C2 | S | 4.7 | 0.26 | 98 | 83 | 56.9 | 0.98 | 0.97 | 1 | 3 | |||||||
| 81P01426 | 112-160 | C3 | S | 7.1 | 0.28 | 2 | 100* | 100 | 1.27 | 3 | |||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.85 | (NA) | |
| Clay, carbonate free, Weighted Average | 49 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 31 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 49 | % wt | |
| LE, Whole Soil, Summed to 1m | 10 | cm/m | |
| Weighted averages based on control section: 15-56 cm | |||