| *** Primary Characterization Data *** |
| Pedon ID: 80CA113017 | ( Yolo, California ) | Print Date: Feb 11 2026 12:51AM |
| Sampled as : | Yolo ; Fine-silty, mixed, nonacid, thermic Typic Xerorthent |
| Revised to : |
| United States Department of Agriculture | ||||
| SSL | - | Project | RP81CA123 ALLARDICE-UNIVERSITY CALIFORNIA-DAVIS | Natural Resources Conservation Service |
| - | Site ID | 80CA113017 | National Soil Survey Center | |
| - | Pedon No. | 81P0236 | Soil Survey Laboratory | |
| - | General Methods 1B1A, 2A1, 2B | Lincoln, Nebraska 68508-3866 | ||
| Layer | Horizon | Orig Hzn | Depth (cm) | Field Label 1 | Field Label 2 | Field Label 3 | Field Texture | Lab Texture |
| 81P01212 | Ap1 | Ap1 | 0-17 | SIL | ||||
| 81P01213 | Ap2 | Ap2 | 17-30 | SIL | ||||
| 81P01214 | A | A13 | 30-50 | SIL | ||||
| 81P01215 | C1 | C1 | 50-70 | L | ||||
| 81P01216 | C2 | C2 | 70-96 | SIL | ||||
| 81P01217 | C3 | C3 | 96-150 | SIL | ||||
| 81P01218 | C4 | C4 | 150-185 | SIL | ||||
| PSDA & Rock Fragments | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | -15- | -16- | -17- | -18- | |||
| (- - - - - Total - - - - - -) | (- - Clay - - -) | (- - - - Silt - - - - -) | (- - - - - - - - - - - - Sand - - - - - - - - - - - -) | ( Rock Fragments (mm) ) | |||||||||||||||||
| Lab | Clay | Silt | Sand | Fine | CO3 | Fine | Coarse | VF | F | M | C | VC | (- - - - - - - - Weight - - - - - - - -) | >2 mm | |||||||
| Text- | < | .002 | .05 | < | < | .002 | .02 | .05 | .10 | .25 | .5 | 1 | 2 | 5 | 20 | .1- | wt % | ||||
| Depth | ure | .002 | -.05 | -2 | .0002 | .002 | -.02 | -.05 | -.10 | -.25 | -.50 | -1 | -2 | -5 | -20 | -75 | 75 | whole | |||
| Layer | (cm) | Horz | Prep | (- - - - - - - - - - - - - - - - - - - - - - - - - - % of <2mm Mineral Soil - - - - - - - - - - - - - - - - - - - - - - - - - - -) | (- - - - - - - % of <75mm - - - - - -) | soil | |||||||||||||||
| 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3A1a1a | 3B1 | 3B1 | 3B1 | ||||||||
| 81P01212 | 0-17 | Ap1 | S | sil | 22.8 | 52.9 | 24.3 | 27.9 | 25.0 | 16.9 | 6.4 | 0.6 | 0.2 | 0.2 | -- | -- | -- | 7 | -- | ||
| 81P01213 | 17-30 | Ap2 | S | sil | 22.2 | 51.9 | 25.9 | 25.1 | 26.8 | 17.9 | 6.9 | 0.7 | 0.2 | 0.2 | -- | -- | -- | 8 | -- | ||
| 81P01214 | 30-50 | A | S | sil | 18.3 | 51.7 | 30.0 | 22.9 | 28.8 | 22.3 | 6.8 | 0.7 | 0.2 | tr | -- | -- | -- | 8 | -- | ||
| 81P01215 | 50-70 | C1 | S | l | 17.9 | 47.6 | 34.5 | 21.6 | 26.0 | 25.0 | 8.9 | 0.5 | 0.1 | tr | -- | -- | -- | 10 | -- | ||
| 81P01216 | 70-96 | C2 | S | sil | 21.3 | 56.8 | 21.9 | 30.5 | 26.3 | 13.4 | 7.8 | 0.5 | 0.1 | 0.1 | -- | -- | -- | 9 | -- | ||
| 81P01217 | 96-150 | C3 | S | sil | 15.4 | 52.2 | 32.4 | 23.3 | 28.9 | 23.2 | 8.4 | 0.7 | 0.1 | tr | -- | -- | -- | 9 | -- | ||
| 81P01218 | 150-185 | C4 | S | sil | 15.8 | 55.5 | 28.7 | 24.5 | 31.0 | 23.2 | 4.9 | 0.4 | 0.1 | 0.1 | -- | -- | -- | 6 | -- | ||
| *** Primary Characterization Data *** |
| Pedon ID: 80CA113017 | ( Yolo, California ) | Print Date: Feb 11 2026 12:51AM |
| Sampled As | : | Yolo | Fine-silty, mixed, nonacid, thermic Typic Xerorthent | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 81P0236 | |||
| Bulk Density & Moisture | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | |||
| (Bulk Density) | Cole | (- - - - - - - - - - - Water Content - - - - - - - - - - -) | ( Air Dry-Oven Dry ) | WRD | Aggst | ||||||||||||
| 33 | Oven | Whole | 6 | 10 | 33 | 1500 | 1500 kPa | (- - - - Ratio - - - -) | Whole | Stabl | (- - Ratio/Clay - -) | ||||||
| Depth | kPa | Dry | Soil | kPa | kPa | kPa | kPa | Moist | Corrected | Soil | 2-0.5mm | CEC7 | 1500 kPa | ||||
| Layer | (cm) | Horz | Prep | (- - - g cm-3 - - -) | (- - - - - - - - - - - - pct of < 2mm - - - - - - - - - - - -) | cm3 cm-3 | % | ||||||||||
| 4A1d | 4A1h | 4B1c | 3C2a1a | 3D1 | 4C1 | 8D1 | 8D1 | ||||||||||
| 81P01212 | 0-17 | Ap1 | S | 1.55 | 1.72 | 0.035 | 22.7 | 12.7 | 1.023 | 0.16 | 1.01 | 0.56 | |||||
| 81P01213 | 17-30 | Ap2 | S | 1.38 | 1.52 | 0.033 | 21.9 | 11.8 | 1.023 | 0.14 | 1.01 | 0.53 | |||||
| 81P01214 | 30-50 | A | S | 1.30 | 1.41 | 0.027 | 21.9 | 10.4 | 1.024 | 0.15 | 1.22 | 0.57 | |||||
| 81P01215 | 50-70 | C1 | S | 10.2 | 1.024 | 1.28 | 0.57 | ||||||||||
| 81P01216 | 70-96 | C2 | S | 11.8 | 1.025 | 1.18 | 0.55 | ||||||||||
| 81P01217 | 96-150 | C3 | S | 10.5 | 1.022 | 1.51 | 0.68 | ||||||||||
| 81P01218 | 150-185 | C4 | S | 9.8 | 1.024 | 1.41 | 0.62 | ||||||||||
| Carbon & Extractions | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | -15- | -16- | -17- | -18- | -19- | |||
| (- - - - - Total - - - - -) | Est | OC | C/N | (- - - Dith-Cit Ext - - -) | (- - - - - - Ammonium Oxalate Extraction - - - - - -) | (- - - Na Pyro-Phosphate - - -) | ||||||||||||||||
| Depth | C | N | S | OC | (WB) | Ratio | Fe | Al | Mn | Al+½Fe | ODOE | Fe | Al | Si | Mn | C | Fe | Al | Mn | |||
| Layer | (cm) | Horz | Prep | (- - - - - - - - - - % of <2 mm - - - - - - - - - -) | (- - - - - - - - - - - - - - - - - - - % of < 2mm - - - - - - - - - - - - - - - - -) | mg kg-1 | (- - - - - - % of < 2mm - - - - -) | |||||||||||||||
| 6B3a | 6A1c | 6C2b | 6G7a | |||||||||||||||||||
| 81P01212 | 0-17 | Ap1 | S | 0.159 | 1.63 | 10 | 1.6 | 0.1 | ||||||||||||||
| 81P01213 | 17-30 | Ap2 | S | 0.108 | 1.03 | 10 | 1.6 | 0.1 | ||||||||||||||
| 81P01214 | 30-50 | A | S | 0.067 | 0.64 | 10 | 1.5 | 0.1 | ||||||||||||||
| 81P01215 | 50-70 | C1 | S | 0.55 | 1.6 | 0.1 | ||||||||||||||||
| 81P01216 | 70-96 | C2 | S | 0.74 | 1.7 | 0.1 | ||||||||||||||||
| 81P01217 | 96-150 | C3 | S | 0.51 | 1.6 | 0.1 | ||||||||||||||||
| 81P01218 | 150-185 | C4 | S | 0.44 | 1.5 | 0.1 | ||||||||||||||||
| *** Primary Characterization Data *** |
| Pedon ID: 80CA113017 | ( Yolo, California ) | Print Date: Feb 11 2026 12:51AM |
| Sampled As | : | Yolo | Fine-silty, mixed, nonacid, thermic Typic Xerorthent | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 81P0236 | |||
| CEC & Bases | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | |||
| (- - - - - - NH4OAC Extractable Bases - - - - -) | CEC8 | CEC7 | ECEC | (- - - - Base - - - -) | |||||||||||||
| Sum | Acid- | Extr | KCl | Sum | NH4 | Bases | Al | (- Saturation -) | |||||||||
| Depth | Ca | Mg | Na | K | Bases | ity | Al | Mn | Cats | OAC | +Al | Sat | Sum | NH4OAC | |||
| Layer | (cm) | Horz | Prep | (- - - - - - - - - - - - - - - - - cmol(+) kg-1 - - - - - - - - - - - - - - - - - - -) | mg kg-1 | (- - - - cmol(+) kg-1 - - -) | (- - - - - - - - % - - - - - - - -) | ||||||||||
| 6N2e | 6O2d | 6P2b | 6Q2b | 6H5a | 5A8b | 5C3 | 5C1 | ||||||||||
| 81P01212 | 0-17 | Ap1 | S | 9.7* | 12.8 | 0.1 | 1.1 | 2.5 | 23.1 | 90 | 100 | ||||||
| 81P01213 | 17-30 | Ap2 | S | 10.3* | 12.7 | 0.2 | 0.7 | 1.8 | 22.4 | 93 | 100 | ||||||
| 81P01214 | 30-50 | A | S | 10.2* | 13.1 | 0.3 | 0.3 | 1.7 | 22.4 | 93 | 100 | ||||||
| 81P01215 | 50-70 | C1 | S | 10.4* | 13.2 | 0.3 | 0.3 | 1.4 | 22.9 | 95 | 100 | ||||||
| 81P01216 | 70-96 | C2 | S | 13.8* | 17.1 | 0.4 | 0.4 | 1.0 | 25.2 | 97 | 100 | ||||||
| 81P01217 | 96-150 | C3 | S | 11.1* | 15.0 | 0.3 | 0.3 | 0.9 | 23.2 | 97 | 100 | ||||||
| 81P01218 | 150-185 | C4 | S | 13.7* | 16.1 | 0.4 | 0.3 | 0.6 | 22.2 | 98 | 100 | ||||||
| Salt | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | -15- | -16- | -17- | -18- | -19- | -20- | |||
| (- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Water Extracted From Saturated Paste - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -) | 1:2 | ||||||||||||||||||||||
| Total | Elec | Elec | Exch | ||||||||||||||||||||
| Depth | Ca | Mg | Na | K | CO3 | HCO3 | F | Cl | PO4 | Br | OAC | SO4 | NO2 | NO3 | H2O | Salts | Cond | Cond | Na | SAR | |||
| Layer | (cm) | Horz | Prep | (- - - - - mmol(+) L-1 - - - - -) | (- - - - - - - - - - - - - - - - - - - - - - mmol(-) L-1 - - - - - - - - - - - - - - - - - - - -) | (- - - - % - - - -) | (- - dS m-1 - -) | % | |||||||||||||||
| 81P01212 | 0-17 | Ap1 | S | tr | |||||||||||||||||||
| 81P01213 | 17-30 | Ap2 | S | 1 | |||||||||||||||||||
| 81P01214 | 30-50 | A | S | 1 | |||||||||||||||||||
| 81P01215 | 50-70 | C1 | S | 1 | |||||||||||||||||||
| 81P01216 | 70-96 | C2 | S | 2 | |||||||||||||||||||
| 81P01217 | 96-150 | C3 | S | 1 | |||||||||||||||||||
| 81P01218 | 150-185 | C4 | S | 2 | |||||||||||||||||||
| *** Primary Characterization Data *** |
| Pedon ID: 80CA113017 | ( Yolo, California ) | Print Date: Feb 11 2026 12:51AM |
| Sampled As | : | Yolo | Fine-silty, mixed, nonacid, thermic Typic Xerorthent | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 81P0236 | |||
| pH & Carbonates | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | |||
| (- - - - - - - - - - - - - - - - - - pH - - - - - - - - - - - - - - - - -) | (- - Carbonate - -) | (- - Gypsum - - -) | ||||||||||||
| CaCl2 | As CaCO3 | As CaSO4*2H2O | Resist | |||||||||||
| Depth | 0.01M | H2O | Sat | <2mm | <20mm | <2mm | <20mm | ohms | ||||||
| Layer | (cm) | Horz | Prep | KCl | 1:2 | 1:1 | Paste | Oxid | NaF | (- - - - - - - - - - - - % - - - - - - - - - - -) | cm-1 | |||
| 4C1a2a | 4C1a2a | 6E1g | ||||||||||||
| 81P01212 | 0-17 | Ap1 | S | 6.5 | 7.1 | -- | ||||||||
| 81P01213 | 17-30 | Ap2 | S | 6.8 | 7.7 | -- | ||||||||
| 81P01214 | 30-50 | A | S | 7.2 | 7.7 | -- | ||||||||
| 81P01215 | 50-70 | C1 | S | 7.1 | 8.0 | -- | ||||||||
| 81P01216 | 70-96 | C2 | S | 7.4 | 8.2 | tr | ||||||||
| 81P01217 | 96-150 | C3 | S | 7.5 | 8.3 | tr | ||||||||
| 81P01218 | 150-185 | C4 | S | 7.7 | 8.4 | tr | ||||||||
| *** Primary Characterization Data *** |
| Pedon ID: 80CA113017 | ( Yolo, California ) | Print Date: Feb 11 2026 12:51AM |
| Sampled As | : | Yolo | Fine-silty, mixed, nonacid, thermic Typic Xerorthent | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 81P0236 | |||
| Clay Mineralogy (<.002 mm) | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | -15- | -16- | -17- | -18- | |||
| X-Ray | Thermal | Elemental | EGME | Inter | |||||||||||||||||
| SiO2 | Al2O3 | Fe2O3 | MgO | CaO | K2O | Na2O | Retn | preta | |||||||||||||
| Depth | Fract | 7A2i | 7A3b | 7C3 | tion | ||||||||||||||||
| Layer | (cm) | Horz | ion | ( - - - - - - - - - peak size - - - - - - - - - - ) | (- - - - - - - - - % - - - - - - - - - -) | (- - - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - - - - -) | mg g-1 | ||||||||||||||
| 81P01212 | 0.0-17.0 | Ap1 | tcly | MT 3 | MI 2 | KK 2 | CL 1 | KK 6 | 11.2 | 2.2 | |||||||||||
| 81P01213 | 17.0-30.0 | Ap2 | tcly | MT 3 | MI 2 | CL 2 | KK 2 | KK 6 | 10.9 | 1.8 | |||||||||||
| 81P01214 | 30.0-50.0 | A | tcly | MT 3 | MI 2 | KK 2 | CL 1 | KK 7 | 10.9 | 1.8 | |||||||||||
| 81P01215 | 50.0-70.0 | C1 | tcly | MT 3 | MI 2 | KK 2 | CL 2 | KK 12 | 11.0 | 1.8 | |||||||||||
| 81P01216 | 70.0-96.0 | C2 | tcly | MT 3 | CL 2 | MI 2 | KK 2 | KK 6 | 11.0 | 1.9 | |||||||||||
| 81P01217 | 96.0-150.0 | C3 | tcly | MT 3 | CL 2 | MI 2 | KK 2 | KK 7 | 10.9 | 1.6 | |||||||||||
| 81P01218 | 150.0-185.0 | C4 | tcly | MT 3 | CL 2 | MI 2 | KK 2 | KK 10 | 11.0 | 1.7 | |||||||||||
| FRACTION INTERPRETATION: | ||||
| tcly - Total Clay <0.002 mm | ||||
| MINERAL INTERPRETATION: | ||||
| CL Chlorite | KK Kaolinite | MI Mica | MT Montmorillonite | |
| RELATIVE PEAK SIZE: | 5 Very Large | 4 Large | 3 Medium | 2 Small | 1 Very Small | 6 No Peaks |