| *** Taxonomy Characterization Data *** |
| Pedon ID: S1973CA049010 | ( Modoc, California ) | Print Date: Sep 23 2024 5:20PM |
| Sampled as on May 30, 1973: | Deven |
| Revised to correlated: | DEVEN ; Clayey, montmorillonitic Lithic Argixerolls |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL73CA013 ALTURAS & MODOC | Natural Resources Conservation Service |
| - | Site ID | S1973CA049010 Lat: 41° 30' 20.00" north Long: 120° 37' 57.00" west MLRA: 21 | National Soil Survey Center | |
| - | Pedon No. | 73C0101 | 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 | 4A1d | |||||||||||
| 73C00688 | 0-5 | A | S | 24.7 | 0.56 | 28 | 1.16 | 0.040 | 4 | ||||
| 73C00689 | 5-18 | Bt1 | S | 36.1 | 0.52 | 20 | 1.17 | 0.065 | 2 | ||||
| 73C00690 | 18-40 | Bt21 | S | 35.5 | 0.58 | 40 | 1.08 | 0.107 | 5 | ||||
| 73C00691 | 40-50 | Bt22 | S | 29.7 | 0.81 | 69 | 31 | ||||||
| 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 | 5C1 | 5C3 | 8D1 | 5D2 | ||||||||||||||
| 73C00688 | 0-5 | A | S | 6.5 | 0.98 | 95 | 100 | 1.29 | 1 | ||||||||||
| 73C00689 | 5-18 | Bt1 | S | 6.5 | 0.93 | 100* | 100 | 1.16 | 1 | ||||||||||
| 73C00690 | 18-40 | Bt21 | S | 6.3 | 0.67 | 97 | 100 | 1.45 | 1 | ||||||||||
| 73C00691 | 40-50 | Bt22 | S | 6.8 | 0.42 | 100* | 100 | 1.72 | 1 | ||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 1.43 | (NA) | |
| Clay, carbonate free, Weighted Average | 34 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 41 | % wt | |
| Volume, >2mm, Weighted Average | 11 | % vol | |
| Clay, total, Weighted Average | 34 | % wt | |
| Weighted averages based on control section: 5-50 cm | |||