| *** Taxonomy Characterization Data *** |
| Pedon ID: S1969VA109002 | ( Louisa, Virginia ) | Print Date: Nov 14 2025 11:26AM |
| Sampled as on Oct 26, 1969: | IREDELL |
| Revised to : |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL40001 SSIR SAMPLES | Soil Conservation Service |
| - | Site ID | S1969VA109002 Lat: 38° 3' 0.18" north Long: 78° 9' 58.97" west | Beltsville Soil Survey Laboratory | |
| - | Pedon No. | 40A1302 | Soil Laboratory | |
| - | General Methods 1B1A, 2A1, 2B | Beltsville, Maryland | ||
| 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 | NK | |||||||||||
| 40A09904 | 0-18 | Ap | S | 13.4 | 4.9 | 0.54 | 33 | 1.54 | 0.007 | -- | |||
| 40A09905 | 18-23 | Bw | S | 19.2 | 6.0 | 0.43 | 29 | 1.69 | 0.003 | -- | |||
| 40A09906 | 23-28 | Bcn | S | 24.6 | 11.0 | 0.44 | 43 | 1.59 | 0.011 | -- | |||
| 40A09907 | 28-42 | Bt1 | S | 63.4 | 48.7 | 0.42 | 16 | 1.12 | 0.157 | 1 | |||
| 40A09908 | 42-60 | Bt2 | S | 61.4 | 47.7 | 0.44 | 17 | 1.24 | 0.139 | -- | |||
| 40A09909 | 60-68 | Bg | S | 30.8 | 23.4 | 0.62 | 44 | 1.44 | 0.069 | -- | |||
| 40A09910 | 68-88 | C1 | S | 14.5 | 9.0 | 0.90 | 68 | 1.62 | 0.034 | -- | |||
| 40A09911 | 88-122 | C2 | S | 9.1 | 5.8 | 71 | -- | ||||||
| 40A09912 | 122-152 | C3 | S | 8.7 | 4.4 | 67 | -- | ||||||
| 40A09913 | 152-175 | C4 | S | 4.7 | 4.0 | 78 | -- | ||||||
| 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 | % | |||||||||||
| NK | NK | 5D2 | |||||||||||||||||
| 40A09904 | 0-18 | Ap | S | 6.4 | 0.97 | 86 | 65 | 0.75 | -- | ||||||||||
| 40A09905 | 18-23 | Bw | S | 6.7 | 0.21 | 76 | 60 | 0.42 | 1 | ||||||||||
| 40A09906 | 23-28 | Bcn | S | 6.5 | 0.11 | 75 | 64 | 0.48 | 1 | ||||||||||
| 40A09907 | 28-42 | Bt1 | S | 6.0 | 0.08 | 95 | 84 | 0.64 | 1 | ||||||||||
| 40A09908 | 42-60 | Bt2 | S | 6.0 | 0.02 | 97 | 87 | 0.80 | 1 | ||||||||||
| 40A09909 | 60-68 | Bg | S | 6.2 | 96 | 91 | 1.79 | 1 | |||||||||||
| 40A09910 | 68-88 | C1 | S | 6.6 | 100* | 94 | 3.26 | 1 | |||||||||||
| 40A09911 | 88-122 | C2 | S | 7.0 | 100* | 96 | 4.20 | 2 | |||||||||||
| 40A09912 | 122-152 | C3 | S | 7.1 | 100* | 96 | 4.95 | 2 | |||||||||||
| 40A09913 | 152-175 | C4 | S | 7.7 | 100* | 98 | 8.13 | 2 | |||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.67 | (NA) | |
| Clay, carbonate free, Weighted Average | 48 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 23 | % wt | |
| Volume, >2mm, Weighted Average | 9 | % vol | |
| Clay, total, Weighted Average | 48 | % wt | |
| LE, Whole Soil, Summed to 1m | 0 | cm/m | |
| Weighted averages based on control section: 12-60 cm | |||