| *** Taxonomy Characterization Data *** |
| Pedon ID: 93CA011003 | ( Colusa, California ) | Print Date: Nov 23 2024 7:32AM |
| Sampled as on Sep 19, 1993: | Altamont Low ; 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 | 93CA011003 Lat: 39° 20' 44.00" north Long: 122° 19' 23.00" west MLRA: 17 | National Soil Survey Center | |
| - | Pedon No. | 94P0051 | 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 | ||||||||||
| 94P00436 | 0-10 | A | S | 53.7 | 21.3 | 0.35 | 2 | 1.27 | 0.096 | -- | |||
| 94P00437 | 10-34 | Bw | S | 54.4 | 22.1 | 0.35 | 2 | 1.39 | 0.086 | tr | |||
| 94P00438 | 34-61 | Bss1 | S | 53.3 | 21.6 | 0.36 | 2 | 1.47 | 0.084 | -- | |||
| 94P00439 | 61-100 | Bss2 | S | 52.4 | 19.6 | 0.37 | 2 | 1.44 | 0.089 | -- | |||
| 94P00440 | 100-120 | Bss3 | S | 51.2 | 14.1 | 0.40 | 3 | 1.40 | 0.085 | tr | |||
| 94P00441 | 120-144 | Bk | S | 41.3 | 9.3 | 0.46 | 42 | 1.37 | 0.049 | 26 | |||
| 94P00442 | 144-200 | BC | S | 33.2 | 8.2 | 0.53 | 60 | 1.21 | 0.034 | 38 | |||
| 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 | |||||||||||||
| 94P00436 | 0-10 | A | S | 7.2 | 1.02 | 94 | 88 | 0.83 | tr | ||||||||||
| 94P00437 | 10-34 | Bw | S | 7.1 | 0.56 | 94 | 90 | 0.83 | tr | ||||||||||
| 94P00438 | 34-61 | Bss1 | S | 7.4 | 0.46 | 94 | 92 | 0.85 | tr | ||||||||||
| 94P00439 | 61-100 | Bss2 | S | 7.8 | 0.44 | -- | 98 | 94 | 0.86 | 1 | |||||||||
| 94P00440 | 100-120 | Bss3 | S | 8.0 | 0.37 | 1 | 100* | 96 | 0.88 | tr | |||||||||
| 94P00441 | 120-144 | Bk | S | 8.2 | 0.27 | 1 | 100* | 97 | 1.03 | 1 | |||||||||
| 94P00442 | 144-200 | BC | S | 8.1 | 0.19 | 1 | 100* | 96 | 1.23 | 1 | |||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.85 | (NA) | |
| Clay, carbonate free, Weighted Average | 53 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 2 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 53 | % wt | |
| LE, Whole Soil, Summed to 1m | 9 | cm/m | |
| Weighted averages based on control section: 25-100 cm | |||