| *** Taxonomy Characterization Data *** |
| Pedon ID: S1964CA073018 | ( San Diego, California ) | Print Date: Nov 23 2024 7:30PM |
| Sampled as on Oct 20, 1964: | San Miguel |
| Revised to correlated: | SAN MIGUEL ; Fine, smectitic, thermic Typic Natrixeralfs |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL40001 SSIR SAMPLES | Soil Conservation Service |
| - | Site ID | S1964CA073018 Lat: 32° 34' 12.00" north Long: 116° 52' 23.00" west MLRA: 20 | Riverside Soil Survey Laboratory | |
| - | Pedon No. | 40A2917 | Soil Laboratory | |
| - | General Methods 1B1A, 2A1, 2B | Riverside, California | ||
| 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 | 4A1f | ||||||||||||
| 40A23008 | 0-10 | A | S | 13.5 | 0.50 | 27 | 1.38 | 0.007 | 7 | ||||
| 40A23009 | 10-20 | E | variable | 1.63 | |||||||||
| 40A23010 | 20-46 | Bt1 | S | 51.9 | 0.38 | 9 | 1.36 | 0.110 | -- | ||||
| 40A23011 | 46-58 | Bt2 | S | 15.6 | 0.63 | 43 | -- | ||||||
| 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 | % | |||||||||||
| 8C1a | 8A1a | 5D2 | |||||||||||||||||
| 40A23008 | 0-10 | A | S | 6.2 | 100* | 77 | 0.86 | 0.76 | 17 | ||||||||||
| 40A23009 | 10-20 | E | S | 5.2 | 0.37 | ||||||||||||||
| 40A23010 | 20-46 | Bt1 | S | 4.8 | 98 | 80 | 40.4 | 0.76 | 0.78 | 4 | 0.57 | 14 | |||||||
| 40A23011 | 46-58 | Bt2 | S | 5.3 | 100* | 78 | 27.9 | 1.69 | 1.79 | 3 | 0.78 | 21 | |||||||
| 40A23012 | 58-79 | R | S | 6.2 | 1.26 | ||||||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 1.05 | (NA) | |
| Clay, carbonate free, Weighted Average | 40 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 20 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 40 | % wt | |
| Weighted averages based on control section: 20-58 cm | |||