| *** Taxonomy Characterization Data *** |
| Pedon ID: 78VA145009 | ( Powhatan, Virginia ) | Print Date: Nov 21 2024 11:13AM |
| Sampled as : | Orange ; Fine, montmorillonitic, thermic Albaquic Hapludalf |
| Revised to : |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP78VA189 SOILS OVER SAPROLITE STUDY | Natural Resources Conservation Service |
| - | Site ID | S1978VA145009 Lat: 37° 32' 30.20" north Long: 78° 0' 28.98" west | National Soil Survey Center | |
| - | Pedon No. | 78P0503 | 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 | 7B1a2 | ||||||||||
| 78P02924 | 0-18 | Ap | S | 5.8 | 0.72 | 71 | 1.46 | 0.004 | 6 | ||||
| 78P02925 | 18-25 | E | S | 13.0 | 0.33 | 69 | 25 | ||||||
| 78P02926 | 25-36 | B/A | S | 53.7 | 0.38 | 24 | tr | ||||||
| 78P02927 | 36-56 | Bt | S | 40.8 | 0.44 | 35 | 1.43 | 0.076 | tr | 16 | |||
| 78P02928 | 56-81 | C1 | S | 16.4 | 0.53 | 62 | 2 | ||||||
| 78P02929 | 81-117 | C21 | S | 11.9 | 0.62 | 70 | 1.81 | 0.015 | 5 | ||||
| 78P02930 | 117-140 | C22 | S | 9.8 | 0.67 | 64 | 7 | ||||||
| 78P02931 | 81-117 | C21 | S | 11.4 | 0.61 | 61 | 6 | ||||||
| 78P02932 | 81-117 | C21 | S | 12.2 | 0.54 | 69 | 4 | ||||||
| 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 | 5A3b | 8D1 | 5G1 | 5D2 | ||||||||||||
| 78P02924 | 0-18 | Ap | S | 5.0 | 1.59 | 55 | 41 | 3.5 | 1.03 | 0.60 | 6 | -- | |||||||
| 78P02925 | 18-25 | E | S | 5.4 | 0.36 | 68 | 58 | 3.6 | 0.38 | 0.28 | 6 | 2 | |||||||
| 78P02926 | 25-36 | B/A | S | 5.4 | 0.40 | 74 | 64 | 15.9 | 0.38 | 0.30 | 5 | tr | |||||||
| 78P02927 | 36-56 | Bt | S | 5.7 | 0.24 | 89 | 77 | 0.53 | 1 | ||||||||||
| 78P02928 | 56-81 | C1 | S | 6.5 | 0.07 | 96 | 86 | 0.78 | 2 | ||||||||||
| 78P02929 | 81-117 | C21 | S | 6.7 | 0.05 | 99 | 90 | 1.09 | 2 | ||||||||||
| 78P02930 | 117-140 | C22 | S | 6.5 | 0.05 | 98 | 91 | 1.31 | 2 | ||||||||||
| 78P02931 | 81-117 | C21 | S | 6.6 | 0.05 | 98 | 90 | 1.11 | 2 | ||||||||||
| 78P02932 | 81-117 | C21 | S | 6.6 | 0.03 | 98 | 91 | 0.98 | 2 | ||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.52 | (NA) | |
| Clay, carbonate free, Weighted Average | 41 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 34 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 41 | % wt | |
| Weighted averages based on control section: 35-56 cm | |||