| *** Primary Characterization Data *** |
| Pedon ID: 87IA1770017 | ( Van Buren, Iowa ) | Print Date: Sep 24 2024 9:33AM |
| Sampled as on Sep 1, 1987: | Kniffin ; Fine, montmorillonitic, mesic Udollic Ochraqualf |
| Revised to correlated: | Clarinda ; Fine, smectitic, mesic Udollic Ochraqualfs |
| United States Department of Agriculture | ||||
| SSL | - | Project | RP87IA135 EROSION VAN BUREN COUNTY | Natural Resources Conservation Service |
| - | Site ID | S1987IA1770017 Lat: 40° 42' 42.00" north Long: 91° 56' 52.00" west MLRA: 109 | National Soil Survey Center | |
| - | Pedon No. | 87P0390 | 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 |
| 87P02005 | Ap | Ap | 0-23 | SIL | SIL | |||
| 87P02006 | E | E | 23-36 | SIL | SICL | |||
| 87P02007 | Bt1 | Bt1 | 36-53 | SIC | SIC | |||
| 87P02008 | Bt2 | Bt2 | 53-69 | SIC | SIC | |||
| 87P02009 | Bt3 | Bt3 | 69-86 | SIC | SICL | |||
| 87P02010 | Bt4 | Bt4 | 86-104 | SIC | SIC | |||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| Clay, carbonate free, Weighted Average | 43 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 2 | % wt | |
| Volume, >2mm, Weighted Average | 0 | % vol | |
| Clay, total, Weighted Average | 43 | % wt | |
| Weighted averages based on control section: 36-86 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 | ||||||||
| 87P02005 | 0-23 | Ap | S | sil | 23.5 | 71.3 | 5.2 | 38.1 | 33.2 | 1.2 | 1.0 | 1.4 | 1.0 | 0.6 | -- | -- | -- | 4 | -- | ||
| 87P02006 | 23-36 | E | S | sicl | 30.1 | 66.4 | 3.5 | 37.4 | 29.0 | 0.8 | 0.7 | 1.1 | 0.7 | 0.2 | -- | -- | -- | 3 | -- | ||
| 87P02007 | 36-53 | Bt1 | S | sic | 45.9 | 51.7 | 2.4 | 37.6 | 14.1 | 0.8 | 0.5 | 0.4 | 0.4 | 0.3 | -- | -- | -- | 2 | -- | ||
| 87P02008 | 53-69 | Bt2 | S | sic | 43.8 | 54.8 | 1.4 | 37.0 | 17.8 | 0.6 | 0.4 | 0.3 | 0.1 | -- | -- | -- | -- | 1 | -- | ||
| 87P02009 | 69-86 | Bt3 | S | sicl | 39.8 | 58.1 | 2.1 | 38.0 | 20.1 | 0.6 | 0.7 | 0.5 | 0.2 | 0.1 | -- | -- | -- | 2 | -- | ||
| 87P02010 | 86-104 | Bt4 | S | sic | 42.1 | 48.1 | 9.8 | 32.8 | 15.3 | 2.8 | 3.8 | 2.4 | 0.7 | 0.1 | -- | -- | -- | 7 | -- | ||
| *** Primary Characterization Data *** |
| Pedon ID: 87IA1770017 | ( Van Buren, Iowa ) | Print Date: Sep 24 2024 9:33AM |
| Sampled As | : | Kniffin | Fine, montmorillonitic, mesic Udollic Ochraqualf | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 87P0390 | |||
| 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 | 3D1 | 8D1 | |||||||||||||||
| 87P02005 | 0-23 | Ap | S | 10.8 | 1.015 | 0.46 | |||||||||||
| 87P02006 | 23-36 | E | S | 13.8 | 1.020 | 0.46 | |||||||||||
| 87P02007 | 36-53 | Bt1 | S | 20.5 | 1.034 | 0.45 | |||||||||||
| 87P02008 | 53-69 | Bt2 | S | 18.8 | 1.036 | 0.43 | |||||||||||
| 87P02009 | 69-86 | Bt3 | S | 17.6 | 1.032 | 0.44 | |||||||||||
| 87P02010 | 86-104 | Bt4 | S | 17.1 | 1.032 | 0.41 | |||||||||||
| 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 - - - - -) | |||||||||||||||
| 6A1c | ||||||||||||||||||||||
| 87P02005 | 0-23 | Ap | S | 1.68 | ||||||||||||||||||
| 87P02006 | 23-36 | E | S | 1.03 | ||||||||||||||||||
| 87P02007 | 36-53 | Bt1 | S | 0.74 | ||||||||||||||||||
| 87P02008 | 53-69 | Bt2 | S | 0.41 | ||||||||||||||||||
| 87P02009 | 69-86 | Bt3 | S | 0.33 | ||||||||||||||||||
| 87P02010 | 86-104 | Bt4 | S | 0.18 | ||||||||||||||||||
| 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 | |||||||||||||
| 87P02005 | 0-23 | Ap | S | 5.6 | 6.2 | |||||||||
| 87P02006 | 23-36 | E | S | 4.8 | 5.5 | |||||||||
| 87P02007 | 36-53 | Bt1 | S | 4.7 | 5.6 | |||||||||
| 87P02008 | 53-69 | Bt2 | S | 5.0 | 5.9 | |||||||||
| 87P02009 | 69-86 | Bt3 | S | 5.5 | 6.3 | |||||||||
| 87P02010 | 86-104 | Bt4 | S | 6.0 | 6.8 | |||||||||