| *** Taxonomy Characterization Data *** |
| Pedon ID: S1976CA023001 | ( Humboldt, California ) | Print Date: Dec 12 2024 7:15AM |
| Sampled as on Jun 1, 1976: | Ishi Pishi ; Clayey-skeletal, serpentinitic, mesic Ultic Haploxeralf |
| Revised to correlated: | ISHI PISHI ; Loamy-skeletal, magnesic, mesic Ultic Haploxeralfs |
| United States Department of Agriculture | ||||
| SSL | - | Project | RP78CA171 HUMBOLDT COUNTY-SIX RIVERS NATIONAL FOREST | Natural Resources Conservation Service |
| - | Site ID | S1976CA023001 Lat: 41° 12' 0.00" north Long: 123° 31' 0.01" west MLRA: 5 | National Soil Survey Center | |
| - | Pedon No. | 78P0453 | 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 | ||||||||||||
| 78P02537 | 0-5 | A1 | S | 36.4 | 0.47 | 26 | 4 | ||||||
| 78P02538 | 5-20 | A2 | S | 42.1 | 0.43 | 18 | 1 | ||||||
| 78P02539 | 20-40 | Bt1 | S | 46.2 | 0.45 | 25 | 9 | ||||||
| 78P02540 | 40-64 | Bt21 | S | 42.2 | 0.53 | 22 | 36 | ||||||
| 78P02541 | 64-84 | Bt22 | S | 49.4 | 0.53 | 27 | 24 | ||||||
| 78P02542 | 84-102 | Bt23 | S | 48.2 | 0.58 | 21 | 5 | ||||||
| 78P02543 | 102-120 | C | S | 35.3 | 0.73 | 27 | 1 | ||||||
| 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 | 5C1 | 5C3 | 8D1 | 5D2 | ||||||||||||||
| 78P02537 | 0-5 | A1 | S | 6.8 | 3.19 | 75 | 62 | 0.52 | -- | ||||||||||
| 78P02538 | 5-20 | A2 | S | 6.5 | 1.36 | 71 | 60 | 0.36 | -- | ||||||||||
| 78P02539 | 20-40 | Bt1 | S | 6.6 | 0.61 | 78 | 66 | 0.30 | -- | ||||||||||
| 78P02540 | 40-64 | Bt21 | S | 6.7 | 0.32 | 82 | 73 | 0.36 | -- | ||||||||||
| 78P02541 | 64-84 | Bt22 | S | 6.8 | 0.39 | 85 | 77 | 0.44 | -- | ||||||||||
| 78P02542 | 84-102 | Bt23 | S | 6.8 | 0.40 | 89 | 80 | 0.54 | -- | ||||||||||
| 78P02543 | 102-120 | C | S | 7.0 | 0.16 | 91 | 81 | 0.56 | -- | ||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.34 | (NA) | |
| Clay, carbonate free, Weighted Average | 45 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 24 | % wt | |
| Volume, >2mm, Weighted Average | 24 | % vol | |
| Clay, total, Weighted Average | 45 | % wt | |
| Weighted averages based on control section: 20-70 cm | |||