| *** Taxonomy Characterization Data *** |
| Pedon ID: S1972CA049014 | ( Modoc, California ) | Print Date: Nov 23 2024 4:25PM |
| Sampled as on May 30, 1972: | Barnard |
| Revised to correlated: | BARNARD ; Fine, montmorillonitic Aridic Durixerolls |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL72CA012 NE CALIF | Natural Resources Conservation Service |
| - | Site ID | S1972CA049014 Lat: 41° 33' 50.00" north Long: 120° 27' 21.99" west MLRA: 21 | National Soil Survey Center | |
| - | Pedon No. | 72C0107 | 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 | |||||||||||
| 72C00628 | 0-5 | A1 | S | 25.6 | 0.52 | 45 | 1.44 | 0.024 | 9 | ||||
| 72C00629 | 5-18 | A2 | S | 23.8 | 0.52 | 47 | 1.44 | 0.033 | 15 | ||||
| 72C00630 | 18-25 | Bt1 | S | 32.4 | 0.51 | 58 | 1.35 | 0.036 | 28 | ||||
| 72C00631 | 25-56 | Bt2 | S | 47.2 | 0.56 | 25 | 1.24 | 0.115 | 2 | ||||
| 72C00632 | 56-92 | B | S | 22.5 | 0.88 | 70 | 1.41 | 0.033 | 41 | ||||
| 72C00633 | 92-120 | Bqm1 | S | 13.2 | 1.46 | 80 | 1.31 | 0.019 | 52 | ||||
| 72C00634 | 120-173 | Bqm2 | S | 27.7 | 0.75 | 75 | 1.19 | 0.021 | 56 | ||||
| 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 | ||||||||||||
| 72C00628 | 0-5 | A1 | S | 7.0 | 0.90 | 100* | 100 | 1.26 | 0.53 | 2 | |||||||||
| 72C00629 | 5-18 | A2 | S | 6.7 | 0.94 | 100* | 100 | 1.11 | 0.21 | 2 | |||||||||
| 72C00630 | 18-25 | Bt1 | S | 6.6 | 0.76 | 100* | 100 | 1.09 | 0.17 | 3 | |||||||||
| 72C00631 | 25-56 | Bt2 | S | 6.6 | 0.43 | 100* | 100 | 1.19 | 0.35 | 2 | |||||||||
| 72C00632 | 56-92 | B | S | 7.9 | 0.09 | 1 | 100* | 100 | 1.99 | 0.53 | 5 | ||||||||
| 72C00633 | 92-120 | Bqm1 | S | 8.0 | 0.04 | 1 | 100* | 100 | 3.98 | 0.51 | 4 | ||||||||
| 72C00634 | 120-173 | Bqm2 | S | 7.7 | 100* | 100 | 1.88 | 0.42 | 4 | ||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 1.17 | (NA) | |
| Clay, carbonate free, Weighted Average | 44 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 31 | % wt | |
| Volume, >2mm, Weighted Average | 7 | % vol | |
| Clay, total, Weighted Average | 44 | % wt | |
| LE, Whole Soil, Summed to 1m | 6 | cm/m | |
| Weighted averages based on control section: 18-56 cm | |||