| *** Taxonomy Characterization Data *** |
| Pedon ID: 90CA039003 | ( Madera, California ) | Print Date: Mar 2 2025 8:49AM |
| Sampled as on Oct 30, 1990: | Ahwahnee ; Coarse-loamy, mixed, thermic Mollic Haploxeralfs |
| Revised to correlated on Aug 1, 1992: | (unnamed) ; Coarse-loamy, mixed, active, thermic Typic Xerochrept |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP91CA102 WEPP | Natural Resources Conservation Service |
| - | Site ID | S1990CA039003 Lat: 37° 6' 21.99" north Long: 119° 43' 15.00" west MLRA: 18 | National Soil Survey Center | |
| - | Pedon No. | 91P0422 | 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 | ||||||||||
| 91P02419 | 0-15 | A1 | S | 5.7 | 1.2 | 0.42 | 69 | 1.66 | 0.006 | 3 | |||
| 91P02420 | 15-38 | A2 | S | 7.1 | 2.8 | 0.39 | 69 | 1.63 | 0.002 | 2 | |||
| 91P02421 | 38-56 | Bt | S | 7.2 | 2.8 | 0.35 | 74 | 1.65 | 0.006 | 5 | |||
| 91P02422 | 56-79 | Cr | S | 0.32 | |||||||||
| 91P02422 | 56-79 | Cr | GP | 6.9 | 3.6 | ||||||||
| 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 | 6A2d | 8J | 5C1 | 5C3 | 8D1 | 5D2 | ||||||||||||
| 91P02419 | 0-15 | A1 | S | 5.5 | 0.73 | 0.68 | 0.07 | tr | 90 | 60 | 0.88 | -- | |||||||
| 91P02420 | 15-38 | A2 | S | 5.8 | 0.26 | 0.07 | 0.01 | 93 | 65 | 0.63 | -- | ||||||||
| 91P02421 | 38-56 | Bt | S | 5.9 | 0.12 | 0.05 | -- | 86 | 73 | 0.60 | -- | ||||||||
| 91P02422 | 56-79 | Cr | S | 0.48 | |||||||||||||||
| 91P02422 | 56-79 | Cr | GP | 6.4 | 0.05 | 0.12 | tr | -- | |||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.6 | (NA) | |
| Clay, carbonate free, Weighted Average | 7 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 74 | % wt | |
| Volume, >2mm, Weighted Average | 5 | % vol | |
| Clay, total, Weighted Average | 7 | % wt | |
| Weighted averages based on control section: 38-56 cm | |||