| *** Taxonomy Characterization Data *** |
| Pedon ID: 78SD053009 | ( Gregory, South Dakota ) | Print Date: Nov 21 2024 12:27PM |
| Sampled as on Jun 1, 1978: | Okaton ; Clayey, montmorillonitic (calcareous), mesic, shallow Typic Ustorthent |
| Revised to correlated: | Okaton ; Clayey, smectitic, mesic, shallow Typic Ustorthents |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP78SD136 GREGORY COUNTY | Natural Resources Conservation Service |
| - | Site ID | S1978SD053009 Lat: 43° 23' 40.00" north Long: 99° 11' 15.00" west MLRA: 63B | National Soil Survey Center | |
| - | Pedon No. | 78P0362 | 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 | 4A1d | ||||||||||
| 78P01968 | 0-6 | A | S | 47.2 | 8.2 | 0.44 | 4 | 1.07 | -- | ||||
| 78P01969 | 6-17 | By1 | S | 60.0 | 1.3 | 0.28 | 1 | 0.96 | 0.030 | -- | |||
| 78P01970 | 17-38 | By2 | S | 59.7 | 1.0 | 0.22 | 83 | 1.00 | 0.013 | 65 | |||
| 78P01971 | 38-60 | By3 | S | 61.2 | 1.1 | 0.17 | 64 | 1.08 | 0.022 | 42 | |||
| 78P01972 | 60-90 | Cr1 | variable | 1.12 | |||||||||
| 78P01973 | 90-107 | Cr2 | S | 49.1 | 7.1 | 0.25 | 23 | 1.35 | 0.039 | 3 | |||
| 78P01974 | 107-132 | Cr3 | S | 57.5 | 20.5 | 0.32 | 1 | 1.42 | 0.027 | -- | |||
| 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 | 4H2a | 6E1b | 5C3 | 8D1 | 8A1a | 5D2 | ||||||||||||
| 78P01968 | 0-6 | A | S | 7.6 | 3.16 | 5.65 | 22 | 100 | 0.61 | 2.61 | -- | ||||||||
| 78P01969 | 6-17 | By1 | S | 7.7 | 1.02 | 2.49 | 13 | 100 | 0.31 | 2.43 | -- | ||||||||
| 78P01970 | 17-38 | By2 | S | 7.8 | 0.86 | 2.20 | 17 | 100 | 0.33 | 2.34 | -- | ||||||||
| 78P01971 | 38-60 | By3 | S | 7.8 | 0.71 | 2.27 | 20 | 100 | 0.34 | 2.31 | -- | ||||||||
| 78P01972 | 60-90 | Cr1 | S | 7.7 | 0.58 | 2.48 | 16 | 2.32 | |||||||||||
| 78P01973 | 90-107 | Cr2 | S | 7.7 | 0.33 | 2.63 | 19 | 100 | 0.28 | 2.42 | -- | ||||||||
| 78P01974 | 107-132 | Cr3 | S | 7.7 | 0.35 | 5.08 | 43 | 100 | 0.28 | 2.61 | -- | ||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.35 | (NA) | |
| Clay, carbonate free, Weighted Average | 60 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 71 | % wt | |
| Volume, >2mm, Weighted Average | 51 | % vol | |
| Clay, total, Weighted Average | 61 | % wt | |
| Weighted averages based on control section: 25-60 cm | |||