| *** Taxonomy Characterization Data *** |
| Pedon ID: S1972CA049022 | ( Modoc, California ) | Print Date: Nov 24 2024 7:20AM |
| Sampled as on May 30, 1972: | Ager |
| Revised to correlated: | AGER ; Very-fine, montmorillonitic Chromic Haploxererts |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL72CA012 NE CALIF | Natural Resources Conservation Service |
| - | Site ID | S1972CA049022 Lat: 41° 28' 9.00" north Long: 120° 50' 45.00" west MLRA: 21 | National Soil Survey Center | |
| - | Pedon No. | 72C0106 | 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 | 4A1d | |||||||||||
| 72C00617 | 0-5 | A1 | S | 64.5 | 0.57 | 7 | 0.86 | 0.209 | 1 | ||||
| 72C00618 | 5-17 | A2 | S | 69.7 | 0.56 | 4 | 0.92 | 0.234 | -- | ||||
| 72C00619 | 17-63 | A3 | S | 0.55 | 1.13 | 0.166 | -- | ||||||
| 72C00619 | 17-63 | A3 | GP | 72.0 | |||||||||
| 72C00620 | 63-84 | A4 | S | 0.57 | 0.79 | 0.296 | -- | ||||||
| 72C00620 | 63-84 | A4 | GP | 68.5 | |||||||||
| 72C00621 | 84-99 | AB | S | 59.5 | 0.60 | 8 | 0.97 | 0.174 | -- | ||||
| 72C00622 | 99-120 | Bk1 | S | 42.5 | 0.71 | 20 | 1.04 | 0.087 | 1 | ||||
| 72C00623 | 120-135 | Bk2 | S | 8.7 | 2.70 | 56 | 1.09 | 0.037 | 3 | ||||
| 72C00624 | 135-163 | C1 | S | 15.3 | 2.04 | 34 | 1.16 | 0.054 | -- | ||||
| 72C00625 | 163-198 | C2 | S | 34.2 | 1.28 | 9 | 0.85 | 0.167 | -- | ||||
| 72C00626 | 198-244 | C3 | S | 36.0 | 1.31 | 11 | 1 | ||||||
| 72C00627 | 244-269 | C4 | S | 18.7 | 2.14 | 14 | -- | ||||||
| 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 | ||||||||||||
| 72C00617 | 0-5 | A1 | S | 7.5 | 0.39 | 100* | 100 | 1.31 | 0.43 | 2 | |||||||||
| 72C00618 | 5-17 | A2 | S | 7.0 | 0.40 | 100* | 100 | 1.27 | 0.29 | 2 | |||||||||
| 72C00619 | 17-63 | A3 | S | 1.22 | |||||||||||||||
| 72C00619 | 17-63 | A3 | GP | 7.3 | 0.40 | 0.40 | 4 | ||||||||||||
| 72C00620 | 63-84 | A4 | S | 1.23 | |||||||||||||||
| 72C00620 | 63-84 | A4 | GP | 7.7 | 0.32 | 2 | 0.53 | 6 | |||||||||||
| 72C00621 | 84-99 | AB | S | 8.0 | 0.25 | 3 | 100* | 100 | 1.35 | 0.53 | 9 | ||||||||
| 72C00622 | 99-120 | Bk1 | S | 8.0 | 0.16 | 3 | 100* | 100 | 1.90 | 0.58 | 9 | ||||||||
| 72C00623 | 120-135 | Bk2 | S | 7.8 | 0.07 | 5 | 100* | 100 | 8.92 | 1.93 | 7 | ||||||||
| 72C00624 | 135-163 | C1 | S | 7.7 | 0.05 | tr | 100* | 100 | 6.15 | 1.59 | 6 | ||||||||
| 72C00625 | 163-198 | C2 | S | 7.4 | 1 | 100* | 100 | 2.90 | 3.52 | 5 | |||||||||
| 72C00626 | 198-244 | C3 | S | 7.6 | 1 | 100* | 100 | 2.72 | 1.58 | 8 | |||||||||
| 72C00627 | 244-269 | C4 | S | 7.5 | 3 | 100* | 100 | 5.17 | 1.86 | 8 | |||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 1.26 | (NA) | |
| Clay, carbonate free, Weighted Average | 68 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 2 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 68 | % wt | |
| LE, Whole Soil, Summed to 1m | 0 | cm/m | |
| Weighted averages based on control section: 25-100 cm | |||