| *** Taxonomy Characterization Data *** |
| Pedon ID: 91CA055002 | ( Napa, California ) | Print Date: Nov 11 2024 10:29PM |
| Sampled as on May 30, 1991: | Undesignated |
| Revised to correlated: | Konocti ; Loamy-skeletal, mixed, superactive, thermic Ultic Haploxeralfs |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP91CA178 1992 TOUR | Natural Resources Conservation Service |
| - | Site ID | S1991CA055002 Lat: 38° 15' 10.00" north Long: 122° 22' 18.99" west MLRA: 14 | National Soil Survey Center | |
| - | Pedon No. | 91P0765 | 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 | ||||||||||
| 91P04412 | 0-10 | Ap1 | S | 21.2 | 9.4 | 0.52 | 49 | 10 | |||||
| 91P04413 | 10-24 | Ap2 | S | 22.2 | 10.6 | 0.51 | 47 | 1.53 | 0.017 | 9 | |||
| 91P04414 | 24-50 | Bt1 | S | 22.7 | 10.8 | 0.55 | 82 | 1.09 | 0.022 | 43 | |||
| 91P04415 | 50-75 | Bt2 | S | 17.1 | 6.1 | 0.67 | 83 | 1.74 | 0.009 | 54 | |||
| 91P04416 | 75-100 | Bt3 | S | 18.7 | 6.2 | 0.62 | 80 | 44 | |||||
| 91P04417 | 100-120 | Bt4 | S | 20.2 | 8.5 | 0.54 | 78 | 35 | |||||
| 91P04418 | 120-145 | Bt5 | S | 19.6 | 7.4 | 0.58 | 78 | 35 | |||||
| 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 | % | |||||||||||
| 4C1a2a | 6A1c | 6A2d | 8J | 5C1 | 5C3 | 6S4 | 5A3b | 8D1 | 5G1 | 5D2 | |||||||||
| 91P04412 | 0-10 | Ap1 | S | 6.0 | 3.09 | 2.67 | 0.32 | 0.06 | 87 | 71 | 27 | 1.05 | 1 | ||||||
| 91P04413 | 10-24 | Ap2 | S | 5.6 | 1.95 | 1.88 | 0.32 | 0.05 | 91 | 70 | 25 | 1.01 | 1 | ||||||
| 91P04414 | 24-50 | Bt1 | S | 5.6 | 0.31 | 0.23 | 0.18 | 0.03 | 91 | 79 | 16 | 24.7 | 1.18 | 1.09 | 1 | 1 | |||
| 91P04415 | 50-75 | Bt2 | S | 6.2 | 0.13 | 0.08 | 0.12 | 0.02 | 100* | 86 | 13 | 1.36 | 2 | ||||||
| 91P04416 | 75-100 | Bt3 | S | 6.4 | 0.12 | 0.08 | 0.14 | 0.02 | 97 | 84 | 13 | 1.39 | 2 | ||||||
| 91P04417 | 100-120 | Bt4 | S | 6.5 | 0.10 | 0.12 | 0.12 | 0.03 | 98 | 87 | 16 | 1.15 | 2 | ||||||
| 91P04418 | 120-145 | Bt5 | S | 6.5 | 0.14 | 0.08 | 0.13 | 0.02 | 100* | 91 | 13 | 1.19 | 2 | ||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 1.27 | (NA) | |
| Clay, carbonate free, Weighted Average | 20 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 82 | % wt | |
| Volume, >2mm, Weighted Average | 48 | % vol | |
| Clay, total, Weighted Average | 20 | % wt | |
| Weighted averages based on control section: 24-74 cm | |||