| *** Taxonomy Characterization Data *** |
| Pedon ID: S1980SD081005 | ( Lawrence, South Dakota ) | Print Date: Feb 16 2025 5:37AM |
| Sampled as on Jun 1, 1980: | Virkula ; Fine, montmorillonitic Typic Eutroboralf |
| Revised to correlated: | Virkula ; Fine, montmorillonitic Typic Eutroboralfs |
| United States Department of Agriculture | ||||
| SSL | - | Project | RP81SD012 LAWRENCE COUNTY | Natural Resources Conservation Service |
| - | Site ID | S1980SD081005 Lat: 44° 23' 5.99" north Long: 103° 47' 33.01" west MLRA: 62 | National Soil Survey Center | |
| - | Pedon No. | 81P0012 | 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 | |||||||||||
| 81P00066 | 0-3 | A | S | 10.7 | 3.4 | 0.76 | 34 | 13 | |||||
| 81P00067 | 3-30 | E | S | 10.6 | 2.0 | 0.48 | 33 | 13 | |||||
| 81P00068 | 30-38 | B/A | S | 29.6 | 13.6 | 0.38 | 19 | 7 | |||||
| 81P00069 | 38-74 | Bt | S | 32.7 | 17.0 | 0.41 | 10 | 3 | |||||
| 81P00070 | 74-91 | B | S | 30.8 | 16.0 | 0.42 | 18 | 5 | |||||
| 81P00071 | 91-152 | C | S | 28.8 | 14.8 | 0.43 | 31 | 11 | |||||
| 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 | 5C1 | 5C3 | 5A3b | 8D1 | 5G1 | 5D2 | ||||||||||||
| 81P00066 | 0-3 | A | S | 5.4 | 3.39 | 69 | 50 | 1.50 | -- | ||||||||||
| 81P00067 | 3-30 | E | S | 5.4 | 0.86 | 73 | 56 | 6.2 | 0.79 | 0.58 | 2 | -- | |||||||
| 81P00068 | 30-38 | B/A | S | 5.5 | 0.44 | 81 | 72 | 13.5 | 0.55 | 0.46 | 1 | -- | |||||||
| 81P00069 | 38-74 | Bt | S | 5.5 | 0.33 | 88 | 76 | 18.4 | 0.63 | 0.56 | 2 | -- | |||||||
| 81P00070 | 74-91 | B | S | 5.6 | 0.27 | 97 | 75 | 0.63 | -- | ||||||||||
| 81P00071 | 91-152 | C | S | 5.6 | 0.29 | 100* | 77 | 0.64 | 2 | ||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.62 | (NA) | |
| Clay, carbonate free, Weighted Average | 32 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 12 | % wt | |
| Volume, >2mm, Weighted Average | 5 | % vol | |
| Clay, total, Weighted Average | 32 | % wt | |
| Weighted averages based on control section: 30-80 cm | |||