| *** Primary Characterization Data *** |
| Pedon ID: S2018CA079020 | ( San Luis Obispo, California ) | Print Date: Dec 6 2025 5:19AM |
| Sampled as on Nov 2, 2018: | Los Osos ; Fine, smectitic, thermic Typic Argixerolls |
| Revised to : |
| United States Department of Agriculture | ||||
| SSL | - | Project | C2019USCA028 Cal Poly Soil Land Judging | Natural Resources Conservation Service |
| - | Site ID | S2018CA079020 Lat: 35° 20' 5.15" north Long: 120° 39' 31.69" west MLRA: 15 | National Soil Survey Center | |
| - | Pedon No. | 19N0149 | Kellogg 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 |
| 19N00803 | A | A | 0-10 | S2018CA079020-1 | C | |||
| 19N00804 | B1 | B1 | 10-20 | S2018CA079020-2 | C | |||
| 19N00805 | B2 | B2 | 20-39 | S2018CA079020-3 | C | |||
| 19N00806 | B3 | B3 | 39-64 | S2018CA079020-4 | C | |||
| 19N00807 | B4 | B4 | 64-94 | S2018CA079020-5 | CL | |||
| 19N00808 | B5 | B5 | 94-111 | S2018CA079020-6 | CL | |||
| 19N00809 | B6 | B6 | 111-123 | S2018CA079020-7 | CL | |||
| 19N00810 | B7 | B7 | 123-152 | S2018CA079020-8 | CL | |||
| 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 | ||||||||||||||
| 19N00803 | 0-10 | A | N | c | 60.6 | 26.0 | 13.4 | 0.7 | 18.2 | 7.8 | 6.7 | 3.3 | 1.5 | 1.1 | 0.8 | ||||||
| 19N00804 | 10-20 | B1 | N | c | 61.1 | 26.4 | 12.5 | 0.4 | 18.9 | 7.5 | 6.6 | 3.0 | 1.2 | 0.9 | 0.8 | ||||||
| 19N00805 | 20-39 | B2 | N | c | 55.8 | 27.9 | 16.3 | 3.9 | 19.7 | 8.2 | 8.9 | 4.8 | 1.0 | 0.8 | 0.8 | ||||||
| 19N00806 | 39-64 | B3 | N | c | 46.5 | 33.8 | 19.7 | 4.4 | 26.2 | 7.6 | 11.5 | 6.0 | 1.3 | 0.6 | 0.3 | ||||||
| 19N00807 | 64-94 | B4 | N | cl | 38.9 | 38.6 | 22.5 | 4.0 | 27.1 | 11.5 | 13.1 | 6.8 | 1.7 | 0.4 | 0.5 | ||||||
| 19N00808 | 94-111 | B5 | N | cl | 33.6 | 39.4 | 27.0 | 2.5 | 24.8 | 14.6 | 15.6 | 8.2 | 1.9 | 0.7 | 0.6 | ||||||
| 19N00809 | 111-123 | B6 | N | cl | 29.5 | 37.6 | 32.9 | 1.3 | 20.4 | 17.2 | 19.5 | 9.9 | 2.6 | 0.6 | 0.3 | ||||||
| 19N00810 | 123-152 | B7 | N | cl | 29.8 | 33.9 | 36.3 | 0.7 | 19.0 | 14.9 | 20.6 | 11.4 | 2.9 | 0.8 | 0.6 | ||||||
| *** Primary Characterization Data *** |
| Pedon ID: S2018CA079020 | ( San Luis Obispo, California ) | Print Date: Dec 6 2025 5:19AM |
| Sampled As | : | Los Osos | Fine, smectitic, thermic Typic Argixerolls | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 19N0149 | |||
| 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 | % | ||||||||||
| 3D1 | |||||||||||||||||
| 19N00803 | 0-10 | A | N | 1.109 | |||||||||||||
| 19N00804 | 10-20 | B1 | N | 1.117 | |||||||||||||
| 19N00805 | 20-39 | B2 | N | 1.113 | |||||||||||||
| 19N00806 | 39-64 | B3 | N | 1.102 | |||||||||||||
| 19N00807 | 64-94 | B4 | N | 1.082 | |||||||||||||
| 19N00808 | 94-111 | B5 | N | 1.072 | |||||||||||||
| 19N00809 | 111-123 | B6 | N | 1.066 | |||||||||||||
| 19N00810 | 123-152 | B7 | N | 1.064 | |||||||||||||
| 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 - - - - -) | |||||||||||||||
| 4H2a | 4H2a | 4H2a | ||||||||||||||||||||
| 19N00803 | 0-10 | A | N | 2.48 | 0.23 | 0.02 | 2.4 | 10 | ||||||||||||||
| 19N00804 | 10-20 | B1 | N | 2.30 | 0.21 | 0.02 | 2.0 | 9 | ||||||||||||||
| 19N00805 | 20-39 | B2 | N | 2.07 | 0.12 | -- | 1.1 | 9 | ||||||||||||||
| 19N00806 | 39-64 | B3 | N | 2.19 | 0.11 | -- | 0.7 | 6 | ||||||||||||||
| 19N00807 | 64-94 | B4 | N | 2.70 | 0.08 | -- | 0.3 | 4 | ||||||||||||||
| 19N00808 | 94-111 | B5 | N | 3.51 | 0.08 | 0.01 | 0.3 | 3 | ||||||||||||||
| 19N00809 | 111-123 | B6 | N | 3.69 | 0.02 | tr | 0.1 | 5 | ||||||||||||||
| 19N00810 | 123-152 | B7 | N | 3.28 | 0.04 | -- | 0.1 | 2 | ||||||||||||||
| *** Primary Characterization Data *** |
| Pedon ID: S2018CA079020 | ( San Luis Obispo, California ) | Print Date: Dec 6 2025 5:19AM |
| Sampled As | : | Los Osos | Fine, smectitic, thermic Typic Argixerolls | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 19N0149 | |||
| 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 - - -) | (- - - - - - - - % - - - - - - - -) | ||||||||||
| 4B1a1a | 4B1a1a | 4B1a1a | 4B1a1a | 4B2b1a1 | 4B1a1a | ||||||||||||
| 19N00803 | 0-10 | A | N | 71.9* | 16.8 | 0.3 | 0.5 | 89.5 | 8.8 | 98.3 | 78.1 | 91 | 100 | ||||
| 19N00804 | 10-20 | B1 | N | 88.4* | 16.2 | 0.3 | 0.4 | 105.3 | 67.8 | 100 | |||||||
| 19N00805 | 20-39 | B2 | N | 85.8* | 15.8 | 0.3 | 0.4 | 102.3 | 60.5 | 100 | |||||||
| 19N00806 | 39-64 | B3 | N | 77.3* | 17.3 | 0.4 | 0.2 | 95.2 | 55.3 | 100 | |||||||
| 19N00807 | 64-94 | B4 | N | 72.2* | 18.3 | 0.5 | 0.2 | 91.2 | 46.7 | 100 | |||||||
| 19N00808 | 94-111 | B5 | N | 65.8* | 18.3 | 0.5 | 0.2 | 84.8 | 39.8 | 100 | |||||||
| 19N00809 | 111-123 | B6 | N | 60.9* | 20.4 | 0.6 | 0.2 | 82.1 | 36.6 | 100 | |||||||
| 19N00810 | 123-152 | B7 | N | 51.5* | 24.0 | 0.6 | 0.2 | 76.3 | 38.1 | 100 | |||||||
| 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 | 4E1a1a1a1 | ||||||||||||
| 19N00803 | 0-10 | A | N | 7.5 | 8.0 | 1 | ||||||||
| 19N00804 | 10-20 | B1 | N | 7.7 | 8.3 | 3 | ||||||||
| 19N00805 | 20-39 | B2 | N | 7.8 | 8.3 | 8 | ||||||||
| 19N00806 | 39-64 | B3 | N | 7.9 | 8.3 | 13 | ||||||||
| 19N00807 | 64-94 | B4 | N | 7.9 | 8.4 | 20 | ||||||||
| 19N00808 | 94-111 | B5 | N | 7.9 | 8.5 | 27 | ||||||||
| 19N00809 | 111-123 | B6 | N | 8.0 | 8.5 | 30 | ||||||||
| 19N00810 | 123-152 | B7 | N | 8.0 | 8.5 | 26 | ||||||||