| *** Primary Characterization Data *** |
| Pedon ID: 74CA041005 updated | ( Marin, California ) | Print Date: Feb 16 2025 5:23AM |
| Sampled as on Apr 22, 1974: | Baywood |
| Revised to correlated: | SIRDRAK ; Sandy, mixed, isomesic Lamellic Haplustepts |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL74CA002 MARIN CO | Natural Resources Conservation Service |
| - | Site ID | 74CA041005 update Lat: 38° 8' 41.60" north Long: 122° 56' 12.85" west MLRA: 15 | National Soil Survey Center | |
| - | Pedon No. | 74C0016 | 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 |
| 74C00104 | A1 | A11 | 0-8 | 74104 | COS | |||
| 74C00105 | A2 | A12 | 8-26 | 74105 | COS | |||
| 74C00106 | A3 | A13 | 26-50 | 74106 | COS | |||
| 74C00107 | A4 | A14 | 50-76 | 74107 | COS | |||
| 74C00108 | A5 | A15 | 76-107 | 74108 | COS | |||
| 74C00109 | A6 | A16 | 107-140 | 74109 | COS | |||
| 74C00110 | C | C | 140-170 | 74110 | COS | |||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 2.6 | (NA) | |
| Clay, carbonate free, Weighted Average | 2 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 92 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 2 | % wt | |
| Weighted averages based on control section: 25-100 cm | |||
| 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 | ||||||||
| 74C00104 | 0-8 | A1 | S | cos | 1.4 | 3.9 | 94.7 | 1.9 | 2.0 | 1.0 | 15.8 | 42.0 | 33.6 | 2.3 | tr | tr | -- | 94 | tr | ||
| 74C00105 | 8-26 | A2 | S | cos | 2.3 | 4.9 | 92.8 | 1.1 | 3.8 | 1.9 | 18.6 | 40.8 | 29.8 | 1.7 | tr | tr | -- | 91 | tr | ||
| 74C00106 | 26-50 | A3 | S | cos | 2.1 | 3.9 | 94.0 | 1.1 | 2.8 | 1.7 | 20.2 | 41.6 | 29.5 | 1.0 | tr | tr | -- | 92 | tr | ||
| 74C00107 | 50-76 | A4 | S | cos | 2.0 | 4.1 | 93.9 | 1.3 | 2.8 | 1.7 | 22.0 | 41.6 | 27.2 | 1.4 | tr | -- | -- | 92 | tr | ||
| 74C00108 | 76-107 | A5 | S | cos | 2.2 | 3.9 | 93.9 | 0.7 | 3.2 | 2.5 | 22.5 | 42.1 | 26.0 | 0.8 | tr | tr | -- | 91 | tr | ||
| 74C00109 | 107-140 | A6 | S | cos | 2.0 | 3.3 | 94.7 | 0.9 | 2.4 | 1.4 | 21.6 | 42.2 | 27.8 | 1.7 | tr | -- | tr | 93 | tr | ||
| 74C00110 | 140-170 | C | S | cos | 2.0 | 2.7 | 95.3 | 0.5 | 2.2 | 1.7 | 20.5 | 42.5 | 29.1 | 1.5 | tr | -- | -- | 94 | tr | ||
| *** Primary Characterization Data *** |
| Pedon ID: 74CA041005 updated | ( Marin, California ) | Print Date: Feb 16 2025 5:23AM |
| Sampled As | : | Baywood | |||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 74C0016 | |||
| 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 | 4B1c | 3C2a1a | 3D1 | 4C1 | 8D1 | 8D1 | |||||||||
| 74C00104 | 0-8 | A1 | S | 1.19 | 1.35 | 0.043 | 24.4 | 23.6 | 9.1 | 1.038 | 0.17 | 8.36 | 6.50 | ||||
| 74C00105 | 8-26 | A2 | S | 4.2 | 1.038 | 3.70 | 1.83 | ||||||||||
| 74C00106 | 26-50 | A3 | S | 3.5 | 1.038 | 2.90 | 1.67 | ||||||||||
| 74C00107 | 50-76 | A4 | S | 3.2 | 1.038 | 2.70 | 1.60 | ||||||||||
| 74C00108 | 76-107 | A5 | S | 2.9 | 1.038 | 2.14 | 1.32 | ||||||||||
| 74C00109 | 107-140 | A6 | S | 2.9 | 1.038 | 2.35 | 1.45 | ||||||||||
| 74C00110 | 140-170 | C | S | 2.6 | 1.004 | 1.95 | 1.30 | ||||||||||
| 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 | 6C8a | 6G10 | |||||||||||||||||
| 74C00104 | 0-8 | A1 | S | 0.270 | 3.44 | 13 | 0.5 | 0.1 | 0.1 | 0.1 | ||||||||||||
| 74C00105 | 8-26 | A2 | S | 0.138 | 1.63 | 12 | 0.5 | 0.2 | 0.1 | 0.1 | ||||||||||||
| 74C00106 | 26-50 | A3 | S | 0.077 | 1.17 | 15 | 0.4 | 0.1 | 0.1 | 0.1 | ||||||||||||
| 74C00107 | 50-76 | A4 | S | 0.065 | 0.82 | 13 | 0.5 | 0.1 | 0.1 | 0.1 | ||||||||||||
| 74C00108 | 76-107 | A5 | S | 0.050 | 0.59 | 12 | 0.5 | 0.1 | 0.1 | 0.1 | ||||||||||||
| 74C00109 | 107-140 | A6 | S | 0.040 | 0.47 | 12 | 0.5 | 0.2 | 0.1 | 0.1 | ||||||||||||
| 74C00110 | 140-170 | C | S | 0.30 | 0.4 | 0.1 | 0.1 | 0.1 | ||||||||||||||
| *** Primary Characterization Data *** |
| Pedon ID: 74CA041005 updated | ( Marin, California ) | Print Date: Feb 16 2025 5:23AM |
| Sampled As | : | Baywood | |||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 74C0016 | |||
| 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 | 6G9b | 5A3a | 5A8b | 5A3b | 5G1 | 5C3 | 5C1 | ||||||
| 74C00104 | 0-8 | A1 | S | 6.1 | 2.6 | 0.2 | 0.8 | 9.7 | 7.0 | 0.4 | 16.7 | 11.7 | 10.1 | 4 | 58 | 83 | |
| 74C00105 | 8-26 | A2 | S | 3.0 | 1.5 | 0.2 | 0.3 | 5.0 | 8.0 | 0.2 | 13.0 | 8.5 | 5.2 | 4 | 38 | 59 | |
| 74C00106 | 26-50 | A3 | S | 2.2 | 1.0 | 0.2 | 0.4 | 3.8 | 6.5 | 0.1 | 10.3 | 6.1 | 3.9 | 3 | 37 | 62 | |
| 74C00107 | 50-76 | A4 | S | 1.6 | 0.7 | 0.2 | 0.4 | 2.9 | 6.7 | 0.1 | 9.6 | 5.4 | 3.0 | 3 | 30 | 54 | |
| 74C00108 | 76-107 | A5 | S | 1.5 | 0.4 | 0.1 | 0.4 | 2.4 | 5.3 | 0.1 | 7.7 | 4.7 | 2.5 | 4 | 31 | 51 | |
| 74C00109 | 107-140 | A6 | S | 1.3 | 0.3 | 0.2 | 0.4 | 2.2 | 4.9 | 0.1 | 7.1 | 4.7 | 2.3 | 4 | 31 | 47 | |
| 74C00110 | 140-170 | C | S | 1.0 | 0.2 | 0.2 | 0.2 | 1.6 | 4.5 | 0.3 | 6.1 | 3.9 | 1.9 | 16 | 26 | 41 | |
| 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 - -) | % | |||||||||||||||
| 74C00104 | 0-8 | A1 | S | 2 | |||||||||||||||||||
| 74C00105 | 8-26 | A2 | S | 2 | |||||||||||||||||||
| 74C00106 | 26-50 | A3 | S | 3 | |||||||||||||||||||
| 74C00107 | 50-76 | A4 | S | 4 | |||||||||||||||||||
| 74C00108 | 76-107 | A5 | S | 2 | |||||||||||||||||||
| 74C00109 | 107-140 | A6 | S | 4 | |||||||||||||||||||
| 74C00110 | 140-170 | C | S | 5 | |||||||||||||||||||
| *** Primary Characterization Data *** |
| Pedon ID: 74CA041005 updated | ( Marin, California ) | Print Date: Feb 16 2025 5:23AM |
| Sampled As | : | Baywood | |||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 74C0016 | |||
| 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 | |||||||||||||
| 74C00104 | 0-8 | A1 | S | 5.2 | 5.5 | |||||||||
| 74C00105 | 8-26 | A2 | S | 4.8 | 5.4 | |||||||||
| 74C00106 | 26-50 | A3 | S | 5.0 | 5.5 | |||||||||
| 74C00107 | 50-76 | A4 | S | 5.0 | 5.5 | |||||||||
| 74C00108 | 76-107 | A5 | S | 5.0 | 5.6 | |||||||||
| 74C00109 | 107-140 | A6 | S | 5.3 | 5.5 | |||||||||
| 74C00110 | 140-170 | C | S | 5.0 | 5.2 | |||||||||