| *** Taxonomy Characterization Data *** |
| Pedon ID: 92CA055001 | ( Napa, California ) | Print Date: May 6 2024 9:43AM |
| Sampled as on Aug 28, 1991: | Haire ; Clayey, mixed, thermic Typic Haploxerult |
| Revised to correlated on Apr 1, 2000: | Yokayo ; Fine, mixed, superactive, thermic Haplic Palexeralf |
| United States Department of Agriculture | ||||
| SSL | - | Project | RP93CA005 NAPA COUNTY | Natural Resources Conservation Service |
| - | Site ID | 92CA055001 Lat: 38° 13' 21.00" north Long: 122° 21' 11.00" west MLRA: 14 | National Soil Survey Center | |
| - | Pedon No. | 93P0020 | 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 | ||||||||||||
| 93P00169 | 0-10 | Ap1 | S | 16.2 | 0.43 | 25 | 7 | ||||||
| 93P00170 | 10-28 | Ap2 | S | 18.8 | 0.43 | 13 | 1 | ||||||
| 93P00171 | 28-41 | BA | S | 20.3 | 0.43 | 14 | |||||||
| 93P00172 | 41-69 | Bt1 | S | 39.8 | 0.47 | 9 | |||||||
| 93P00173 | 69-91 | Bt2 | S | 31.4 | 0.55 | 20 | |||||||
| 93P00174 | 91-114 | Bt3 | S | 26.4 | 0.63 | 18 | |||||||
| 93P00175 | 114-137 | Bt4 | S | 25.0 | 0.62 | 11 | |||||||
| 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 | 5C1 | 5C3 | 8D1 | 8A3a | 5D2 | ||||||||||||
| 93P00169 | 0-10 | Ap1 | S | 6.0 | 1.07 | 1.04 | 86 | 65 | 0.76 | 2 | |||||||||
| 93P00170 | 10-28 | Ap2 | S | 6.0 | 0.67 | 0.73 | 90 | 67 | 0.66 | 3 | |||||||||
| 93P00171 | 28-41 | BA | S | 6.1 | 0.48 | 0.55 | 89 | 71 | 0.67 | 3 | |||||||||
| 93P00172 | 41-69 | Bt1 | S | 6.5 | 0.43 | 0.48 | 96 | 82 | 0.72 | 5 | |||||||||
| 93P00173 | 69-91 | Bt2 | S | 6.6 | 0.28 | 100* | 87 | 0.91 | 8 | ||||||||||
| 93P00174 | 91-114 | Bt3 | S | 6.7 | 0.04 | 100* | 90 | 1.07 | 1.70 | 9 | |||||||||
| 93P00175 | 114-137 | Bt4 | S | 7.1 | 0.04 | 100* | 95 | 1.12 | 2.95 | 11 | |||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.8 | (NA) | |
| Clay, carbonate free, Weighted Average | 36 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 14 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 36 | % wt | |
| Weighted averages based on control section: 41-91 cm | |||