| *** Taxonomy Characterization Data *** |
| Pedon ID: 93CA011007 | ( Colusa, California ) | Print Date: Nov 21 2024 1:12PM |
| Sampled as on Sep 22, 1993: | Wekoda High ; Fine, montmorillonitic, thermic Aquic Haploxerert |
| Revised to correlated on Jun 1, 1995: | Willows ; Fine, smectitic, thermic Sodic Endoaquerts |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP94CA008 VERTISOL ST | Natural Resources Conservation Service |
| - | Site ID | 93CA011007 Lat: 39° 12' 35.00" north Long: 122° 3' 53.00" west MLRA: 17 | National Soil Survey Center | |
| - | Pedon No. | 94P0058 | 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 | ||||||||||
| 94P00501 | 0-12 | Ap1 | S | 52.0 | 20.8 | 0.33 | 1 | -- | |||||
| 94P00502 | 12-25 | Ap2 | S | 55.4 | 26.8 | 0.33 | 1 | 1.50 | 0.097 | -- | |||
| 94P00503 | 25-42 | A | S | 54.9 | 25.8 | 0.33 | 2 | 1.52 | 0.088 | -- | |||
| 94P00504 | 42-62 | Bssy1 | S | 50.6 | 10.0 | 0.37 | 2 | 1.45 | 0.085 | -- | |||
| 94P00505 | 62-101 | Bssy2 | S | 56.6 | 16.1 | 0.34 | 2 | 1.43 | 0.107 | -- | |||
| 94P00506 | 101-150 | Bssy3 | S | 54.0 | 6.9 | 0.39 | 2 | 1.43 | 0.099 | -- | |||
| 94P00507 | 150-187 | Bssy4 | S | 50.9 | 5.0 | 0.35 | 3 | 1.40 | 0.124 | -- | |||
| 94P00508 | 187-206 | Bssy5 | S | 66.1 | 17.5 | 0.33 | 2 | 1.42 | 0.113 | -- | |||
| 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 | ||||||||||||
| 94P00501 | 0-12 | Ap1 | S | 7.7 | 1.67 | 97 | 90 | 0.74 | 0.89 | 5 | |||||||||
| 94P00502 | 12-25 | Ap2 | S | 8.5 | 0.82 | -- | 100* | 95 | 0.69 | 1.24 | 13 | ||||||||
| 94P00503 | 25-42 | A | S | 8.6 | 0.64 | tr | 100* | 97 | 0.66 | 2.50 | 21 | ||||||||
| 94P00504 | 42-62 | Bssy1 | S | 8.1 | 0.44 | tr | 100* | 99 | 0.67 | 7.90 | 26 | ||||||||
| 94P00505 | 62-101 | Bssy2 | S | 8.2 | 0.35 | tr | 100* | 99 | 0.60 | 9.90 | 31 | ||||||||
| 94P00506 | 101-150 | Bssy3 | S | 8.2 | 0.24 | 1 | 100* | 100 | 0.63 | 10.80 | 36 | ||||||||
| 94P00507 | 150-187 | Bssy4 | S | 8.2 | 0.17 | 1 | 100* | 100 | 0.63 | 11.20 | 37 | ||||||||
| 94P00508 | 187-206 | Bssy5 | S | 8.8 | 0.18 | 5 | 100* | 100 | 0.56 | 8.40 | 46 | ||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.63 | (NA) | |
| Clay, carbonate free, Weighted Average | 55 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 2 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 55 | % wt | |
| Weighted averages based on control section: 25-100 cm | |||