| *** Taxonomy Characterization Data *** |
| Pedon ID: 91VI020012 | ( St. John, Virgin Islands ) | Print Date: Apr 29 2025 8:11AM |
| Sampled as on Sep 1, 1991: | Maho Bay ; Loamy, mixed, isohyperthermic, shallow Typic Argiustoll |
| Revised to correlated: | Maho Bay ; Loamy, mixed, superactive, isohyperthermic, shallow Typic Haplustolls |
| United States Department of Agriculture | ||||
| SSL | - | Project | RP91VI270 ST JOHN, VIRGIN ISLANDS-REFERENCE | Natural Resources Conservation Service |
| - | Site ID | S1991VI020012 Lat: 18° 20' 59.00" north Long: 64° 44' 45.00" west MLRA: 271 | National Soil Survey Center | |
| - | Pedon No. | 91P1200 | 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 | 8D1 | 7B1a2 | |||||||||||
| 91P07983 | 0-9 | A | S | 27.0 | 0.57 | 47 | 28 | ||||||
| 91P07984 | 9-19 | Bw | S | 24.8 | 0.43 | 82 | 75 | 3 | |||||
| 91P07985 | 19-40 | Cr | S | 21.0 | 0.52 | 63 | 68 | ||||||
| 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 | 5C1 | 5C3 | 8D1 | 5D2 | ||||||||||||||
| 91P07983 | 0-9 | A | S | 5.4 | 6.63 | 73 | 65 | 1.16 | 4 | ||||||||||
| 91P07984 | 9-19 | Bw | S | 5.0 | 3.35 | 63 | 59 | 1.00 | 4 | ||||||||||
| 91P07985 | 19-40 | Cr | S | 4.8 | 0.72 | 66 | 62 | 1.31 | 9 | ||||||||||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average | 1.08 | (NA) | |
| Clay, carbonate free, Weighted Average | 26 | % wt | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 65 | % wt | |
| Volume, >2mm, Weighted Average | 52 | % vol | |
| Clay, total, Weighted Average | 26 | % wt | |
| Weighted averages based on control section: 0-19 cm | |||