| *** Taxonomy Characterization Data *** |
| Pedon ID: 93CA011009 | ( Colusa, California ) | Print Date: Feb 2 2025 1:51PM |
| Sampled as on Sep 22, 1993: | Wekoda High ; Fine, montmorillonitic, thermic Aquic Haploxerert |
| Revised to correlated: | Willows ; Fine, smectitic, thermic Sodic Endoaquerts |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP94CA008 VERTISOL ST | Natural Resources Conservation Service |
| - | Site ID | 93CA011009 Lat: 39° 12' 35.00" north Long: 122° 3' 53.00" west MLRA: 17 | National Soil Survey Center | |
| - | Pedon No. | 94P0060 | 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 | 3A1a1a | 8D1 | 4A1d | |||||||||
| 94P00518 | 0-14 | Ap | S | 49.3 | 22.4 | 0.35 | 2 | -- | |||||
| 94P00519 | 14-32 | A1 | S | 54.1 | 26.4 | 0.33 | 1 | -- | |||||
| 94P00520 | 32-52 | A2 | S | 55.8 | 21.9 | 0.32 | 2 | 1.47 | 0.080 | -- | |||
| 94P00521 | 52-86 | Bssy1 | S | 56.1 | 18.9 | 0.32 | 2 | 1.47 | 0.078 | -- | |||
| 94P00522 | 86-129 | Bssy2 | S | 58.7 | 15.5 | 0.33 | 2 | 1.45 | 0.102 | -- | |||
| 94P00523 | 129-144 | Bssy3 | S | 63.4 | 17.6 | 1.0 | 0.32 | 2 | 1.40 | 0.107 | -- | ||
| 94P00524 | 144-195 | Bssy4 | S | 55.6 | 7.5 | 0.39 | 2 | 1.39 | 0.098 | -- | |||
| 94P00525 | 195-220 | Bssy5 | S | 65.5 | 21.5 | 1.9 | 0.35 | 2 | 1.32 | 0.141 | -- | ||
| 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 | 6E1g | 5C1 | 5C3 | 8D1 | 8A3a | 5D2 | ||||||||||||
| 94P00518 | 0-14 | Ap | S | 7.6 | 1.59 | 96 | 89 | 0.78 | 1.12 | 4 | |||||||||
| 94P00519 | 14-32 | A1 | S | 8.3 | 0.93 | -- | 100* | 95 | 0.72 | 0.69 | 8 | ||||||||
| 94P00520 | 32-52 | A2 | S | 8.5 | 0.49 | 1 | 100* | 98 | 0.66 | 1.32 | 12 | ||||||||
| 94P00521 | 52-86 | Bssy1 | S | 7.9 | 0.39 | tr | 100* | 99 | 0.55 | 5.53 | 16 | ||||||||
| 94P00522 | 86-129 | Bssy2 | S | 8.0 | 0.30 | tr | 100* | 100 | 0.53 | 8.75 | 31 | ||||||||
| 94P00523 | 129-144 | Bssy3 | S | 8.3 | 0.21 | 1 | 100* | 100 | 0.48 | 11.30 | 41 | ||||||||
| 94P00524 | 144-195 | Bssy4 | S | 8.1 | 0.16 | tr | 100* | 100 | 0.63 | 11.80 | 34 | ||||||||
| 94P00525 | 195-220 | Bssy5 | S | 8.8 | 0.17 | 5 | 100* | 100 | 0.56 | 7.17 | 45 | ||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.59 | (NA) | |
| Clay, carbonate free, Weighted Average | 56 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 2 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 56 | % wt | |
| Weighted averages based on control section: 25-100 cm | |||