| *** Taxonomy Characterization Data *** |
| Pedon ID: S1969CA061012 | ( Placer, California ) | Print Date: Nov 21 2024 11:37AM |
| Sampled as on May 5, 1969: | Trigo Hardpan |
| Revised to correlated: | Trigo ; Coarse-loamy, mixed, superactive, thermic, shallow Entic Durochrepts |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL69CA006 PLACER COUNTY | Natural Resources Conservation Service |
| - | Site ID | S1969CA061012 Lat: 38° 49' 25.00" north Long: 121° 18' 16.00" west MLRA: 17 | National Soil Survey Center | |
| - | Pedon No. | 69C0020 | 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 | ||||||||||||
| 69C00096 | 0-18 | Ap | S | 13.4 | 0.45 | 29 | -- | ||||||
| 69C00097 | 18-30 | B | S | 13.6 | 0.43 | 28 | -- | ||||||
| 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 | 6A1a | 5C1 | 5C3 | 8D1 | 5D2 | ||||||||||||||
| 69C00096 | 0-18 | Ap | S | 5.7 | 0.81 | 85 | 100 | 0.99 | 1 | ||||||||||
| 69C00097 | 18-30 | B | S | 5.7 | 0.39 | 87 | 100 | 0.90 | 1 | ||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.95 | (NA) | |
| Clay, carbonate free, Weighted Average | 13 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 29 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 13 | % wt | |
| Weighted averages based on control section: 0-30 cm | |||