| *** Taxonomy Characterization Data *** |
| Pedon ID: 93CA011004 | ( Colusa, California ) | Print Date: Nov 26 2024 11:09PM |
| Sampled as on Sep 19, 1993: | Altamont ; Fine, montmorillonitic, thermic Chromic Haploxerert |
| Revised to correlated: | Altamont ; Fine, smectitic, thermic Chromic Haploxererts |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP94CA008 VERTISOL ST | Natural Resources Conservation Service |
| - | Site ID | 93CA011004 Lat: 39° 20' 44.00" north Long: 122° 19' 23.00" west MLRA: 17 | National Soil Survey Center | |
| - | Pedon No. | 94P0052 | 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 | ||||||||||
| 94P00443 | 0-7 | A | S | 52.7 | 21.2 | 0.35 | 2 | 1.33 | 0.089 | -- | |||
| 94P00444 | 7-23 | Bw | S | 54.2 | 23.2 | 0.35 | 2 | 1.41 | 0.093 | -- | |||
| 94P00445 | 23-58 | Bss1 | S | 54.0 | 22.4 | 0.35 | 2 | 1.46 | 0.092 | -- | |||
| 94P00446 | 58-89 | Bss2 | S | 52.1 | 23.2 | 0.38 | 2 | 1.44 | 0.085 | -- | |||
| 94P00447 | 89-109 | BC1 | S | 45.0 | 16.9 | 0.42 | 36 | 1.26 | 0.063 | 19 | |||
| 94P00448 | 109-125 | BC2 | S | 41.0 | 15.0 | 0.44 | 55 | 1.27 | 0.037 | 34 | |||
| 94P00450 | 46-77 | Bss2 | S | 53.2 | 24.1 | 0.38 | 2 | 1.36 | 0.091 | tr | |||
| 94P00451 | 25-63 | Bss1 | S | 52.7 | 23.1 | 0.36 | 2 | 1.35 | 0.097 | -- | |||
| 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 | 5D2 | |||||||||||||
| 94P00443 | 0-7 | A | S | 7.3 | 1.03 | 91 | 88 | 0.89 | -- | ||||||||||
| 94P00444 | 7-23 | Bw | S | 7.2 | 0.57 | 93 | 90 | 0.86 | -- | ||||||||||
| 94P00445 | 23-58 | Bss1 | S | 7.4 | 0.49 | 94 | 90 | 0.86 | tr | ||||||||||
| 94P00446 | 58-89 | Bss2 | S | 7.7 | 0.48 | -- | 96 | 92 | 0.89 | tr | |||||||||
| 94P00447 | 89-109 | BC1 | S | 7.9 | 0.35 | -- | 98 | 93 | 1.01 | tr | |||||||||
| 94P00448 | 109-125 | BC2 | S | 8.0 | 0.33 | -- | 98 | 93 | 1.08 | 1 | |||||||||
| 94P00450 | 46-77 | Bss2 | S | 7.7 | 0.52 | 96 | 95 | 0.87 | 1 | ||||||||||
| 94P00451 | 25-63 | Bss1 | S | 7.4 | 0.47 | 94 | 94 | 0.87 | 1 | ||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.89 | (NA) | |
| Clay, carbonate free, Weighted Average | 52 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 7 | % wt | |
| Volume, >2mm, Weighted Average | 3 | % vol | |
| Clay, total, Weighted Average | 52 | % wt | |
| LE, Whole Soil, Summed to 1m | 15 | cm/m | |
| Weighted averages based on control section: 25-100 cm | |||