| *** Taxonomy Characterization Data *** |
| Pedon ID: 78CA033022 | ( Lake, California ) | Print Date: Nov 21 2024 4:08PM |
| Sampled as on Jul 1, 1978: | Konocti ; Loamy-skeletal, mixed, thermic Mollic Haploxeralf |
| Revised to correlated: | Konocti ; Loamy-skeletal, mixed, semiactive, thermic Ultic Haploxeralfs |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP78CA178 NAPA AND LAKE COUNTIES | Natural Resources Conservation Service |
| - | Site ID | S1978CA033022 Lat: 38° 58' 6.55" north Long: 122° 47' 44.88" west MLRA: 15 | National Soil Survey Center | |
| - | Pedon No. | 78P0457 | 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 | |||||||||||
| 78P02558 | 0-8 | A1 | S | 17.3 | 0.76 | 39 | 0.28 | 0.136 | 9 | ||||
| 78P02559 | 8-20 | A2 | S | 23.0 | 0.48 | 31 | 1.14 | 0.021 | 10 | ||||
| 78P02560 | 20-40 | B | S | 26.2 | 0.39 | 32 | 1.40 | 0.016 | 5 | ||||
| 78P02561 | 40-64 | Bt1 | S | 22.6 | 0.43 | 35 | 1.40 | 31 | |||||
| 78P02562 | 64-81 | Bt2 | S | 21.3 | 0.44 | 53 | 1.41 | 0.004 | 52 | ||||
| 78P02563 | 81-107 | C | S | 18.4 | 0.51 | 72 | 1.60 | 0.003 | 61 | ||||
| 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 | 4C1a1a1 | 6A1c | 5C1 | 5C3 | 8D1 | 5D2 | |||||||||||||
| 78P02558 | 0-8 | A1 | S | 6.9 | 9.6 | 5.74 | 93 | 73 | 1.76 | tr | |||||||||
| 78P02559 | 8-20 | A2 | S | 6.8 | 9.2 | 2.20 | 85 | 68 | 0.87 | -- | |||||||||
| 78P02560 | 20-40 | B | S | 6.8 | 8.9 | 0.76 | 82 | 68 | 0.49 | -- | |||||||||
| 78P02561 | 40-64 | Bt1 | S | 6.9 | 8.7 | 0.30 | 80 | 67 | 0.38 | 1 | |||||||||
| 78P02562 | 64-81 | Bt2 | S | 6.8 | 8.5 | 0.23 | 77 | 68 | 0.33 | 1 | |||||||||
| 78P02563 | 81-107 | C | S | 6.5 | 8.2 | 0.16 | 79 | 68 | 0.34 | 2 | |||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.36 | (NA) | |
| Clay, carbonate free, Weighted Average | 22 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 42 | % wt | |
| Volume, >2mm, Weighted Average | 39 | % vol | |
| Clay, total, Weighted Average | 22 | % wt | |
| Weighted averages based on control section: 40-81 cm | |||