| *** Taxonomy Characterization Data *** |
| Pedon ID: S1974DC001003 | ( District of Columbia, District of Columbia ) | Print Date: Nov 21 2024 12:48PM |
| Sampled as on Nov 5, 1974: | ASHE |
| Revised to : |
| United States Department of Agriculture | ||||
| SSL | - | Project | NL40001 SSIR SAMPLES | Soil Conservation Service |
| - | Site ID | 74DC001003 Lat: 38° 57' 41.12" north Long: 77° 3' 31.84" west | Beltsville Soil Survey Laboratory | |
| - | Pedon No. | 40A1316 | Soil Laboratory | |
| - | General Methods 1B1A, 2A1, 2B | Beltsville, Maryland | ||
| 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 | NK | |||||||||||
| 40A10027 | 0-15 | A | S | 8.3 | 0.4 | 0.73 | 50 | 1.24 | 0.005 | 1 | |||
| 40A10028 | 15-23 | B1 | S | 9.7 | 0.47 | 51 | 1 | ||||||
| 40A10029 | 23-46 | B2 | S | 13.8 | 3.6 | 0.48 | 53 | 1.56 | 0.004 | 1 | |||
| 40A10030 | 46-58 | B3 | S | 16.5 | 0.47 | 52 | 1 | ||||||
| 40A10031 | 58-91 | C1 | S | 9.7 | 1.6 | 0.55 | 66 | 1.71 | 0.015 | 4 | |||
| 40A10032 | 91-160 | C2 | S | 6.4 | 0.66 | 75 | 15 | ||||||
| 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 | % | |||||||||||
| NK | NK | 5D2 | |||||||||||||||||
| 40A10027 | 0-15 | A | S | 4.4 | 1.63 | 9 | 8 | 5.3 | 1.53 | 0.64 | 79 | -- | |||||||
| 40A10028 | 15-23 | B1 | S | 4.8 | 0.39 | 15 | 4.6 | 0.47 | 72 | ||||||||||
| 40A10029 | 23-46 | B2 | S | 5.0 | 0.31 | 15 | 14 | 5.1 | 0.72 | 0.37 | 71 | -- | |||||||
| 40A10030 | 46-58 | B3 | S | 5.0 | 0.17 | 25 | 23 | 5.8 | 0.69 | 0.35 | 52 | -- | |||||||
| 40A10031 | 58-91 | C1 | S | 5.0 | 0.10 | 26 | 5.1 | 0.53 | 55 | ||||||||||
| 40A10032 | 91-160 | C2 | S | 5.1 | 0.01 | 62 | 64 | 7.3 | 1.59 | 1.14 | 14 | -- | |||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| Clay, carbonate free, Weighted Average | 12 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 61 | % wt | |
| Volume, >2mm, Weighted Average | 4 | % vol | |
| Clay, total, Weighted Average | 12 | % wt | |
| Weighted averages based on control section: 25-100 cm | |||