| *** Taxonomy Characterization Data *** |
| Pedon ID: S1968CA057030 | ( Nevada, California ) | Print Date: Feb 17 2025 2:33AM |
| Sampled as on Sep 2, 1968: | Trabuco |
| Revised to correlated: | Trabuco ; Fine-loamy, mixed, superactive, thermic Typic Argixerolls |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL68CA020 NEVADA COUNTY | Natural Resources Conservation Service |
| - | Site ID | S1968CA057030 Lat: 39° 13' 44.00" north Long: 121° 12' 4.99" west MLRA: 22A | National Soil Survey Center | |
| - | Pedon No. | 68C0117 | 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 | 4A1f | |||||||||||
| 68C00875 | 0-10 | Ap | S | 13.1 | 0.66 | 40 | 1.69 | 0.002 | -- | ||||
| 68C00876 | 10-25 | A | S | 16.8 | 0.51 | 37 | -- | ||||||
| 68C00877 | 25-38 | B | S | 21.6 | 0.48 | 33 | -- | ||||||
| 68C00878 | 38-69 | Bt11 | S | 37.9 | 0.51 | 20 | -- | ||||||
| 68C00879 | 69-99 | Bt12 | S | 26.1 | 0.66 | 28 | 1.57 | 0.033 | -- | ||||
| 68C00880 | 99-130 | Bt2 | S | 21.4 | 0.71 | 32 | -- | ||||||
| 68C00881 | 130-168 | C | S | 12.8 | 0.76 | 57 | 1.59 | 0.025 | -- | ||||
| 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 | ||||||||||||||
| 68C00875 | 0-10 | Ap | S | 5.8 | 2.69 | 80 | 100 | 1.32 | 1 | ||||||||||
| 68C00876 | 10-25 | A | S | 6.2 | 0.72 | 92 | 100 | 0.90 | 1 | ||||||||||
| 68C00877 | 25-38 | B | S | 6.3 | 0.44 | 94 | 100 | 0.88 | 1 | ||||||||||
| 68C00878 | 38-69 | Bt11 | S | 6.3 | 0.26 | 100* | 100 | 0.89 | tr | ||||||||||
| 68C00879 | 69-99 | Bt12 | S | 6.5 | 0.12 | 98 | 100 | 1.38 | 1 | ||||||||||
| 68C00880 | 99-130 | Bt2 | S | 6.5 | 100* | 100 | 1.61 | 1 | |||||||||||
| 68C00881 | 130-168 | C | S | 6.6 | 100* | 100 | 2.05 | 1 | |||||||||||
| 68C00882 | 0-10 | Ap | S | 6.0 | 2.80 | ||||||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.95 | (NA) | |
| Clay, carbonate free, Weighted Average | 32 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 24 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 32 | % wt | |
| Weighted averages based on control section: 25-76 cm | |||