| *** Taxonomy Characterization Data *** |
| Pedon ID: 78CA033034 | ( Lake, California ) | Print Date: Sep 24 2024 5:19PM |
| Sampled as on Jun 1, 1978: | Hugo ; Fine-loamy, mixed, mesic Dystric Xerochrept |
| Revised to correlated: | Inclusion ; Fine-loamy, mixed, active, mesic Dystric Xerochrepts |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP78CA178 NAPA AND LAKE COUNTIES | Natural Resources Conservation Service |
| - | Site ID | S1978CA033034 Lat: 39° 10' 0.00" north Long: 122° 50' 0.01" west MLRA: 5 | National Soil Survey Center | |
| - | Pedon No. | 78P0469 | 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 | |||||||||||
| 78P02626 | 0-5 | A11 | S | 22.0 | 0.52 | 55 | 1.39 | 0.013 | 19 | ||||
| 78P02627 | 5-25 | A12 | S | 24.9 | 0.44 | 50 | 1.42 | 0.028 | 16 | ||||
| 78P02628 | 25-50 | A2 | S | 23.3 | 0.41 | 52 | 1.37 | 0.014 | 18 | ||||
| 78P02629 | 50-79 | B1 | S | 20.2 | 0.48 | 56 | 1.32 | 0.010 | 17 | ||||
| 78P02630 | 79-107 | B2 | S | 23.1 | 0.45 | 54 | 1.44 | 0.009 | 17 | ||||
| 78P02631 | 107-140 | Bt | S | 22.2 | 0.51 | 58 | 17 | ||||||
| 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 | 8D1 | 5D2 | ||||||||||||||
| 78P02626 | 0-5 | A11 | S | 6.3 | 2.94 | 76 | 64 | 0.94 | -- | ||||||||||
| 78P02627 | 5-25 | A12 | S | 6.3 | 1.88 | 71 | 58 | 0.65 | -- | ||||||||||
| 78P02628 | 25-50 | A2 | S | 6.2 | 0.82 | 57 | 50 | 0.51 | -- | ||||||||||
| 78P02629 | 50-79 | B1 | S | 6.1 | 0.47 | 52 | 49 | 0.56 | -- | ||||||||||
| 78P02630 | 79-107 | B2 | S | 6.1 | 0.29 | 53 | 49 | 0.52 | 1 | ||||||||||
| 78P02631 | 107-140 | Bt | S | 5.9 | 0.17 | 48 | 46 | 0.52 | -- | ||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.53 | (NA) | |
| Clay, carbonate free, Weighted Average | 22 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 54 | % wt | |
| Volume, >2mm, Weighted Average | 18 | % vol | |
| Clay, total, Weighted Average | 22 | % wt | |
| LE, Whole Soil, Summed to 1m | 0 | cm/m | |
| Weighted averages based on control section: 25-100 cm | |||