| *** Taxonomy Characterization Data *** |
| Pedon ID: S1973CA049009 | ( Modoc, California ) | Print Date: Feb 16 2025 7:00AM |
| Sampled as on Sep 15, 1973: | Rumbo |
| Revised to correlated: | RUMBO ; Fine-loamy, mixed Xeric Natrargids |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL73CA013 ALTURAS & MODOC | Natural Resources Conservation Service |
| - | Site ID | S1973CA049009 Lat: 41° 27' 23.01" north Long: 120° 52' 15.99" west MLRA: 21 | National Soil Survey Center | |
| - | Pedon No. | 73C0100 | 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 | |||||||||||
| 73C00681 | 0-15 | A | S | 11.0 | 0.70 | 41 | 1.47 | 0.004 | 1 | ||||
| 73C00682 | 15-38 | Bt1 | S | 22.7 | 0.61 | 40 | 1.49 | 0.032 | 1 | ||||
| 73C00683 | 38-53 | Bt2 | S | 27.3 | 0.65 | 40 | 1.30 | 0.039 | 1 | ||||
| 73C00684 | 53-89 | Btz | S | 41.3 | 0.60 | 29 | 1.16 | 0.086 | 1 | ||||
| 73C00685 | 89-102 | Bz | S | 25.9 | 0.64 | 60 | 1.44 | 0.025 | 9 | ||||
| 73C00686 | 102-130 | C1 | S | 14.6 | 0.84 | 82 | 31 | ||||||
| 73C00687 | 130-152 | C2 | S | 16.1 | 0.75 | 97 | 84 | ||||||
| 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 | ||||||||||||
| 73C00681 | 0-15 | A | S | 6.5 | 0.94 | 88 | 81 | 1.42 | 2.41 | 13 | |||||||||
| 73C00682 | 15-38 | Bt1 | S | 7.8 | 0.41 | 100* | 100 | 0.96 | 4.28 | 43 | |||||||||
| 73C00683 | 38-53 | Bt2 | S | 8.2 | 0.18 | tr | 100* | 100 | 0.98 | 9.50 | 51 | ||||||||
| 73C00684 | 53-89 | Btz | S | 7.8 | 1 | 100* | 100 | 1.00 | 12.78 | 46 | |||||||||
| 73C00685 | 89-102 | Bz | S | 7.8 | 1 | 100* | 100 | 1.21 | 9.77 | 46 | |||||||||
| 73C00686 | 102-130 | C1 | S | 8.8 | 1 | 100* | 100 | 1.67 | 1.65 | 44 | |||||||||
| 73C00687 | 130-152 | C2 | S | 8.1 | 100* | 100 | 1.49 | 3.95 | 32 | ||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.97 | (NA) | |
| Clay, carbonate free, Weighted Average | 29 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 37 | % wt | |
| Volume, >2mm, Weighted Average | 1 | % vol | |
| Clay, total, Weighted Average | 29 | % wt | |
| LE, Whole Soil, Summed to 1m | 0 | cm/m | |
| Weighted averages based on control section: 15-65 cm | |||