| *** Taxonomy Characterization Data *** |
| Pedon ID: 79AZ003009 | ( Cochise, Arizona ) | Print Date: Nov 21 2024 5:08PM |
| Sampled as on May 30, 1979: | Courtland ; Fine-loamy, mixed Ustollic Haplargids |
| Revised to SSL on Jul 1, 2000: | (unnamed) ; Fine, mixed, thermic Ustollic Paleargid |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP79AZ197 COCHISE COUNTY, DOUGLAS-TOMBSTONE AREA | Natural Resources Conservation Service |
| - | Site ID | S1979AZ003009 Lat: 31° 42' 33.00" north Long: 109° 44' 54.01" west | National Soil Survey Center | |
| - | Pedon No. | 79P0271 | 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 | 4A1d | ||||||||||
| 79P01436 | 0-15 | A | S | 9.4 | 0.44 | 67 | 1.60 | 0.004 | 9 | ||||
| 79P01437 | 15-30 | Bt1 | S | 29.1 | 0.30 | 62 | 21 | ||||||
| 79P01438 | 30-56 | Bt2 | S | 28.3 | 0.39 | 65 | 1.60 | 0.017 | 18 | ||||
| 79P01439 | 56-97 | 2Bt1 | S | 41.5 | 0.32 | 51 | 14 | ||||||
| 79P01440 | 97-122 | 2Bt2 | S | 25.7 | 0.32 | 61 | 1.49 | 0.027 | 10 | ||||
| 79P01441 | 122-157 | 2Btk | S | 22.8 | 1.7 | 0.33 | 56 | 13 | |||||
| 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 | 6A1c | 6E1b | 5C1 | 5C3 | 8D1 | 8A1a | 5D2 | ||||||||||||
| 79P01436 | 0-15 | A | S | 6.7 | 0.60 | 90 | 72 | 0.65 | -- | ||||||||||
| 79P01437 | 15-30 | Bt1 | S | 7.1 | 0.35 | -- | 99 | 84 | 0.45 | -- | |||||||||
| 79P01438 | 30-56 | Bt2 | S | 7.9 | 0.25 | 1 | 100* | 97 | 0.47 | 0.44 | 1 | ||||||||
| 79P01439 | 56-97 | 2Bt1 | S | 8.3 | 0.18 | 1 | 100* | 97 | 0.52 | 0.49 | 1 | ||||||||
| 79P01440 | 97-122 | 2Bt2 | S | 8.1 | 0.08 | 1 | 100* | 100 | 0.50 | 1.24 | 2 | ||||||||
| 79P01441 | 122-157 | 2Btk | S | 8.3 | 0.07 | 11 | 100* | 100 | 0.46 | 1.34 | 2 | ||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.47 | (NA) | |
| Clay, carbonate free, Weighted Average | 31 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 62 | % wt | |
| Volume, >2mm, Weighted Average | 18 | % vol | |
| Clay, total, Weighted Average | 31 | % wt | |
| Weighted averages based on control section: 15-65 cm | |||