| *** Taxonomy Characterization Data *** |
| Pedon ID: S1974AZ019009 | ( Pima, Arizona ) | Print Date: Sep 24 2024 1:23AM |
| Sampled as on Dec 17, 1974: | Stellar |
| Revised to correlated: | Guest ; Fine, mixed, superactive, calcareous, thermic Ustertic Torrifluvents |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL74AZ019 PIMA CO.,E. PART | Natural Resources Conservation Service |
| - | Site ID | S1974AZ019009 Lat: 32° 5' 43.01" north Long: 110° 51' 33.01" west MLRA: 40 | National Soil Survey Center | |
| - | Pedon No. | 74C0180 | 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 | |||||||||||
| 74C01067 | 0-3 | A1 | S | 34.5 | 0.39 | 11 | -- | ||||||
| 74C01068 | 3-23 | A2 | S | 33.4 | 0.39 | 19 | -- | ||||||
| 74C01069 | 23-49 | Bt1 | S | 47.3 | 0.31 | 22 | -- | ||||||
| 74C01070 | 49-69 | Bt2 | S | 43.9 | -- | 0.33 | 25 | -- | |||||
| 74C01071 | 69-102 | Btk1 | S | 26.8 | -- | 0.30 | 48 | 3 | |||||
| 74C01072 | 102-152 | Btk2 | S | 20.5 | 0.33 | 60 | 5 | ||||||
| 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 | ||||||||||||
| 74C01067 | 0-3 | A1 | S | 7.9 | 1.94 | 2 | 100* | 100 | 0.81 | 1.49 | -- | ||||||||
| 74C01068 | 3-23 | A2 | S | 7.9 | 1.03 | 1 | 100* | 100 | 0.88 | 0.84 | -- | ||||||||
| 74C01069 | 23-49 | Bt1 | S | 7.8 | 0.76 | tr | 100* | 100 | 0.62 | 0.80 | tr | ||||||||
| 74C01070 | 49-69 | Bt2 | S | 8.0 | 0.66 | 1 | 100* | 100 | 0.59 | 0.47 | tr | ||||||||
| 74C01071 | 69-102 | Btk1 | S | 8.1 | 0.26 | 3 | 100* | 100 | 0.54 | 2 | |||||||||
| 74C01072 | 102-152 | Btk2 | S | 8.3 | 2 | 100* | 100 | 0.56 | 5 | ||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.6 | (NA) | |
| Clay, carbonate free, Weighted Average | 44 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 25 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 44 | % wt | |
| Weighted averages based on control section: 23-73 cm | |||