| *** Taxonomy Characterization Data *** |
| Pedon ID: S1985MD031011 | ( Montgomery, Maryland ) | Print Date: Feb 6 2025 1:53AM |
| Sampled as on Oct 30, 1985: | Purdum ; Fine-loamy, mixed, mesic Ochreptic Hapludalfs |
| Revised to correlated on Nov 16, 2014: | Brinklow ; Fine-loamy, mixed, subactive, mesic Typic Hapludults |
| United States Department of Agriculture | ||||
| SSL | - | Project | CP86MD144 MONTGOMERY COUNTY | Natural Resources Conservation Service |
| - | Site ID | S1985MD031011 Lat: 39° 15' 18.00" north Long: 77° 20' 57.99" west MLRA: 148 | National Soil Survey Center | |
| - | Pedon No. | 86P0384 | Soil Survey Laboratory | |
| - | General Methods 1B1A, 2A1, 2B | Lincoln, Nebraska 68508-3866 | ||
| Taxonomy Tier 1 | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | |||
| Fine | CaCO3 | 1500 | .1-75 | Bulk | Cole | Vol | Resist | ||||||
| Clay | Clay | Clay | kPa | Clay | mm | Den | Whole | % of | Min | ||||
| Depth | <.002 | <.0002 | <.002 | /Clay | Est | Frac | 33 kPa | Soil | Whole | % | |||
| Layer | (cm) | Horz | Prep | (---------% of <2 mm-------) | (-------- % --------) | g cm-3 | cm cm-1 | ||||||
| 3A1a1a | 3A1a1a | 8D1 | 4A1d | 7B1a2 | |||||||||
| 86P02275 | 3-15 | E | S | 28.7 | 5.0 | 0.33 | 32 | 1.39 | 0.010 | 13 | |||
| 86P02276 | 15-25 | EB | S | 38.2 | 8.2 | 0.34 | 35 | 1.47 | 0.011 | 15 | |||
| 86P02277 | 25-43 | Bt1 | S | 37.9 | 10.0 | 0.39 | 38 | 1.43 | 0.018 | 13 | 22 | ||
| 86P02278 | 43-64 | Bt2 | S | 31.3 | 7.3 | 0.40 | 43 | 1.47 | 0.017 | 12 | |||
| 86P02279 | 64-102 | Cr | S | 29.2 | 0.37 | 46 | 1.63 | 0.013 | 17 | ||||
| Taxonomy Tier 2 | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | -15- | -16- | |||
| pH | pH | Org | Tot | Al+½ Fe | CO3 as | (--- Base Sat ---) | NZ | ECEC | CEC7 | ECEC | Al | ||||||||
| Depth | H2O | NaF | C | C | Oxal | ODOE | CaCO3 | NH4 | Bases | P Ret | cmol(+) | /Clay | /Clay | Sat | E C | ESP | |||
| Layer | (cm) | Horz | Prep | (------------------------------------------ % --------------------------------------------) | kg -1 | % | dS m-1 | % | |||||||||||
| 4C1a2a | 6A1c | 6A2d | 5C1 | 5C3 | 5A3b | 8D1 | 5G1 | 5D2 | |||||||||||
| 86P02275 | 3-15 | E | S | 4.1 | 1.68 | 1.64 | 5 | 4 | 3.6 | 0.27 | 0.13 | 89 | 1 | ||||||
| 86P02276 | 15-25 | EB | S | 4.3 | 0.75 | 3 | 3 | 4.0 | 0.23 | 0.10 | 93 | -- | |||||||
| 86P02277 | 25-43 | Bt1 | S | 4.3 | 0.43 | 3 | 3 | 4.0 | 0.24 | 0.11 | 93 | -- | |||||||
| 86P02278 | 43-64 | Bt2 | S | 4.4 | 0.20 | 6 | 4 | 2.9 | 0.17 | 0.09 | 90 | -- | |||||||
| 86P02279 | 64-102 | Cr | S | 4.8 | 0.11 | 8 | 11 | 2.5 | 0.26 | 0.09 | 76 | -- | |||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 0.2 | (NA) | |
| Clay, carbonate free, Weighted Average | 34 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 41 | % wt | |
| Volume, >2mm, Weighted Average | 12 | % vol | |
| Clay, total, Weighted Average | 34 | % wt | |
| LE, Whole Soil, Summed to 1m | 0 | cm/m | |
| Weighted averages based on control section: 25-64 cm | |||