| *** Primary Characterization Data *** |
| Pedon ID: S1955IA165002 | ( Shelby, Iowa ) | Print Date: Jan 8 2026 1:21PM |
| Sampled as on Aug 30, 1955: | Adair |
| Revised to correlated: | Adair ; Fine, smectitic, mesic Typic Argiudolls |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL40001 SSIR SAMPLES | Soil Conservation Service |
| - | Site ID | S1955IA165002 Lat: 41° 32' 3.01" north Long: 95° 16' 6.99" west MLRA: 107 | Lincoln Soil Survey Laboratory | |
| - | Pedon No. | 40A1386 | Soil Laboratory | |
| - | General Methods 1B1A, 2A1, 2B | Lincoln, Nebraska | ||
| Layer | Horizon | Orig Hzn | Depth (cm) | Field Label 1 | Field Label 2 | Field Label 3 | Field Texture | Lab Texture |
| 40A10571 | Ap | Ap | 0-15 | 5360 | SIL | |||
| 40A10572 | A | A12 | 15-30 | 5361 | SICL | |||
| 40A10573 | A/B | A3 B1 | 30-48 | 5362 | SICL | |||
| 40A10574 | Bw1 | B1 | 48-63 | 5363 | SICL | |||
| 40A10575 | Bw21 | B21 | 63-79 | 5364 | C | |||
| 40A10576 | Bw22 | B22 | 79-94 | 5365 | CL | |||
| 40A10577 | Bw3 | B3 | 94-107 | 5366 | CL | |||
| 40A10578 | Bw4 | C 1 | 107-117 | 5367 | CL | |||
| 40A10579 | Bw5 | C 2 | 117-140 | 5368 | CL | |||
| 40A10580 | Bk | C3ca | 140-157 | 5369 | CL | |||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.66 | (NA) | |
| Clay, carbonate free, Weighted Average | 37 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 15 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 37 | % wt | |
| Weighted averages based on control section: 41-91 cm | |||
| *** Primary Characterization Data *** |
| Pedon ID: S1955IA165002 | ( Shelby, Iowa ) | Print Date: Jan 8 2026 1:21PM |
| Sampled As | : | Adair | |||
| USDA-SCS-Soil Survey Laboratory | ; | Pedon No. 40A1386 | |||
| 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 | ||||||||
| 40A10571 | 0-15 | Ap | S | sil | 26.7 | 61.9 | 11.4 | 26.9 | 35.0 | 3.6 | 4.0 | 1.8 | 1.4 | 0.6 | -- | -- | -- | 8 | -- | ||
| 40A10572 | 15-30 | A | S | sicl | 29.2 | 57.0 | 13.8 | 28.4 | 28.6 | 4.2 | 4.8 | 2.3 | 1.8 | 0.7 | -- | -- | -- | 10 | -- | ||
| 40A10573 | 30-48 | A/B | S | sicl | 30.8 | 50.2 | 19.0 | 25.0 | 25.2 | 4.9 | 6.7 | 2.8 | 3.6 | 1.0 | -- | -- | -- | 14 | -- | ||
| 40A10574 | 48-63 | Bw1 | S | sicl | 35.8 | 44.7 | 19.5 | 22.5 | 22.2 | 5.6 | 6.8 | 2.9 | 2.5 | 1.7 | -- | -- | -- | 14 | -- | ||
| 40A10575 | 63-79 | Bw21 | S | c | 41.0 | 39.0 | 20.0 | 19.8 | 19.2 | 5.5 | 6.5 | 2.9 | 2.6 | 2.5 | -- | -- | -- | 15 | -- | ||
| 40A10576 | 79-94 | Bw22 | S | cl | 37.6 | 41.1 | 21.3 | 20.7 | 20.4 | 6.2 | 7.6 | 3.3 | 2.8 | 1.4 | 1 | tr | -- | 15 | 1 | ||
| 40A10577 | 94-107 | Bw3 | S | cl | 37.8 | 33.2 | 29.0 | 16.8 | 16.4 | 7.2 | 9.6 | 3.9 | 3.7 | 4.6 | 3 | 2 | -- | 22 | 5 | ||
| 40A10578 | 107-117 | Bw4 | S | cl | 37.5 | 33.8 | 28.7 | 17.7 | 16.1 | 8.2 | 10.5 | 4.1 | 3.6 | 2.3 | 2 | 1 | -- | 21 | 3 | ||
| 40A10579 | 117-140 | Bw5 | S | cl | 34.4 | 33.6 | 32.0 | 16.8 | 16.8 | 9.1 | 11.8 | 4.7 | 4.3 | 2.1 | 1 | 1 | -- | 23 | 2 | ||
| 40A10580 | 140-157 | Bk | S | cl | 32.6 | 36.0 | 31.4 | 19.2 | 16.8 | 9.0 | 11.5 | 4.7 | 4.2 | 2.0 | 2 | 2 | -- | 22 | 4 | ||
| 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 | % | ||||||||||
| 3C2a1a | |||||||||||||||||
| 40A10571 | 0-15 | Ap | S | 11.2 | 0.81 | 0.42 | |||||||||||
| 40A10572 | 15-30 | A | S | 10.5 | 0.71 | 0.36 | |||||||||||
| 40A10573 | 30-48 | A/B | S | 11.0 | 0.68 | 0.36 | |||||||||||
| 40A10574 | 48-63 | Bw1 | S | 12.8 | 0.65 | 0.36 | |||||||||||
| 40A10575 | 63-79 | Bw21 | S | 14.5 | 0.66 | 0.35 | |||||||||||
| 40A10576 | 79-94 | Bw22 | S | 13.4 | 0.67 | 0.36 | |||||||||||
| 40A10577 | 94-107 | Bw3 | S | 13.7 | 0.67 | 0.36 | |||||||||||
| 40A10578 | 107-117 | Bw4 | S | 13.4 | 0.64 | 0.36 | |||||||||||
| 40A10579 | 117-140 | Bw5 | S | 12.8 | 0.62 | 0.37 | |||||||||||
| 40A10580 | 140-157 | Bk | S | 12.0 | 0.56 | 0.37 | |||||||||||
| *** Primary Characterization Data *** |
| Pedon ID: S1955IA165002 | ( Shelby, Iowa ) | Print Date: Jan 8 2026 1:21PM |
| Sampled As | : | Adair | |||
| USDA-SCS-Soil Survey Laboratory | ; | Pedon No. 40A1386 | |||
| 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 - - - - -) | |||||||||||||||
| 6B1a | 6A1a | |||||||||||||||||||||
| 40A10571 | 0-15 | Ap | S | 0.106 | 1.12 | 11 | ||||||||||||||||
| 40A10572 | 15-30 | A | S | 0.056 | 0.44 | 8 | ||||||||||||||||
| 40A10573 | 30-48 | A/B | S | 0.047 | 0.31 | 7 | ||||||||||||||||
| 40A10574 | 48-63 | Bw1 | S | 0.036 | 0.23 | 6 | ||||||||||||||||
| 40A10575 | 63-79 | Bw21 | S | 0.22 | ||||||||||||||||||
| 40A10576 | 79-94 | Bw22 | S | 0.17 | ||||||||||||||||||
| 40A10577 | 94-107 | Bw3 | S | 0.12 | ||||||||||||||||||
| 40A10578 | 107-117 | Bw4 | S | 0.12 | ||||||||||||||||||
| 40A10579 | 117-140 | Bw5 | S | 0.09 | ||||||||||||||||||
| 40A10580 | 140-157 | Bk | S | 0.05 | ||||||||||||||||||
| 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 - - -) | (- - - - - - - - % - - - - - - - -) | ||||||||||
| 6N2b | 6O2b | 6P2a | 6Q2a | 6H1a | 5A1a | ||||||||||||
| 40A10571 | 0-15 | Ap | S | 16.4* | 5.5 | -- | 0.4 | 22.3 | 2.1 | 24.4 | 21.7 | 91 | 100 | ||||
| 40A10572 | 15-30 | A | S | 15.6* | 5.3 | 0.1 | 0.3 | 21.3 | 2.5 | 23.8 | 20.7 | 89 | 100 | ||||
| 40A10573 | 30-48 | A/B | S | 16.2* | 5.5 | 0.1 | 0.4 | 22.2 | 2.5 | 24.7 | 20.9 | 90 | 100 | ||||
| 40A10574 | 48-63 | Bw1 | S | 18.2* | 5.7 | 0.1 | 0.4 | 24.4 | 2.5 | 26.9 | 23.4 | 91 | 100 | ||||
| 40A10575 | 63-79 | Bw21 | S | 21.3* | 7.1 | 0.2 | 0.5 | 29.1 | 2.9 | 32.0 | 27.2 | 91 | 100 | ||||
| 40A10576 | 79-94 | Bw22 | S | 19.5* | 6.4 | 0.1 | 0.5 | 26.5 | 2.1 | 28.6 | 25.2 | 93 | 100 | ||||
| 40A10577 | 94-107 | Bw3 | S | 19.9* | 6.6 | 0.2 | 0.5 | 27.2 | 1.7 | 28.9 | 25.5 | 94 | 100 | ||||
| 40A10578 | 107-117 | Bw4 | S | 18.9* | 6.2 | 0.1 | 0.5 | 25.7 | 1.3 | 27.0 | 23.9 | 95 | 100 | ||||
| 40A10579 | 117-140 | Bw5 | S | 16.8* | 5.7 | 0.1 | 0.4 | 1.2 | 21.3 | 95 | 100 | ||||||
| 40A10580 | 140-157 | Bk | S | 4.8 | 0.1 | 0.4 | 0.4 | 18.3 | 93 | ||||||||
| *** Primary Characterization Data *** |
| Pedon ID: S1955IA165002 | ( Shelby, Iowa ) | Print Date: Jan 8 2026 1:21PM |
| Sampled As | : | Adair | |||
| USDA-SCS-Soil Survey Laboratory | ; | Pedon No. 40A1386 | |||
| 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 - -) | % | |||||||||||||||
| 6N1a | 6O1a | 6P1a | 6Q1a | 8A | 8D5 | 8A1a | |||||||||||||||||
| 40A10571 | 0-15 | Ap | S | 4.2 | 1.6 | 0.4 | 0.1 | 48.9 | tr | 0.60 | -- | tr | |||||||||||
| 40A10572 | 15-30 | A | S | 3.3 | 1.4 | 0.6 | 0.1 | 47.0 | tr | 0.50 | tr | tr | |||||||||||
| 40A10573 | 30-48 | A/B | S | 2.7 | 1.3 | 0.6 | -- | 50.2 | tr | 0.50 | tr | tr | |||||||||||
| 40A10574 | 48-63 | Bw1 | S | 3.2 | 1.6 | 0.7 | 0.1 | 50.1 | tr | 0.50 | tr | tr | |||||||||||
| 40A10575 | 63-79 | Bw21 | S | 2.0 | 0.7 | 0.6 | -- | 57.7 | tr | 0.40 | 1 | 1 | |||||||||||
| 40A10576 | 79-94 | Bw22 | S | 2.2 | 1.1 | 0.7 | -- | 54.8 | tr | 0.40 | tr | 1 | |||||||||||
| 40A10577 | 94-107 | Bw3 | S | 2.2 | 1.2 | 0.7 | -- | 55.2 | tr | 0.40 | 1 | 1 | |||||||||||
| 40A10578 | 107-117 | Bw4 | S | 2.5 | 1.2 | 0.8 | 0.1 | 58.2 | tr | 0.50 | tr | 1 | |||||||||||
| 40A10579 | 117-140 | Bw5 | S | 2.0 | 1.1 | 0.6 | -- | 58.9 | tr | 0.40 | tr | tr | |||||||||||
| 40A10580 | 140-157 | Bk | S | 2.9 | 1.2 | 0.7 | 0.1 | 55.7 | tr | 0.50 | 1 | tr | |||||||||||
| 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 | |||
| 8C1a | 6E1a | |||||||||||||
| 40A10571 | 0-15 | Ap | S | 7.2 | ||||||||||
| 40A10572 | 15-30 | A | S | 7.1 | ||||||||||
| 40A10573 | 30-48 | A/B | S | 7.1 | ||||||||||
| 40A10574 | 48-63 | Bw1 | S | 7.1 | ||||||||||
| 40A10575 | 63-79 | Bw21 | S | 7.2 | ||||||||||
| 40A10576 | 79-94 | Bw22 | S | 7.3 | ||||||||||
| 40A10577 | 94-107 | Bw3 | S | 7.4 | ||||||||||
| 40A10578 | 107-117 | Bw4 | S | 7.5 | ||||||||||
| 40A10579 | 117-140 | Bw5 | S | 7.4 | -- | |||||||||
| 40A10580 | 140-157 | Bk | S | 7.9 | 4 | |||||||||
| *** Primary Characterization Data *** |
| Pedon ID: S1955IA165002 | ( Shelby, Iowa ) | Print Date: Jan 8 2026 1:21PM |
| Sampled As | : | Adair | |||
| USDA-SCS-Soil Survey Laboratory | ; | Pedon No. 40A1386 | |||
| Miscellaneous Data | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | |||
| (- Sat Paste Ex. -) | (- Sand -) | ( Water Content ) | Bulk | ||||||||||||||
| (- - - - Extractable Bases - - - -) | (- - - CEC8 - - -) | CO3+ | (- - - pH - - -) | M+C+VC | Moist Sieved | Density | |||||||||||
| Depth | Ca | Mg | Na | K | NaOAC | BaCl2 | Ca+Mg | HCO3 | CaCl2 | H2O | .25-2 | 100 kPa | 200 kPa | 10 kPa | |||
| Layer | (cm) | Horz | Prep | (- - - - - - - - - - - - - - - cmol(+)kg-1 - - - - - - - - - - - - - -) | mmol(+)L-1 | mmol(-)L-1 | 1:10 | 1:10 | (- - - - - % of <2mm - - - - -) | g cm-3 | |||||||
| 8C1a | |||||||||||||||||
| 40A10571 | 0-15 | Ap | S | 7.6 | |||||||||||||
| 40A10572 | 15-30 | A | S | 7.4 | |||||||||||||
| 40A10573 | 30-48 | A/B | S | 7.4 | |||||||||||||
| 40A10574 | 48-63 | Bw1 | S | 7.4 | |||||||||||||
| 40A10575 | 63-79 | Bw21 | S | 7.5 | |||||||||||||
| 40A10576 | 79-94 | Bw22 | S | 7.5 | |||||||||||||
| 40A10577 | 94-107 | Bw3 | S | 7.6 | |||||||||||||
| 40A10578 | 107-117 | Bw4 | S | 7.8 | |||||||||||||
| 40A10579 | 117-140 | Bw5 | S | 7.8 | |||||||||||||
| 40A10580 | 140-157 | Bk | S | 8.6 | |||||||||||||