| *** Primary Characterization Data *** |
| Pedon ID: S2015PR097001 | ( MayaguezMunicipio, Puerto Rico ) | Print Date: Sep 22 2026 10:28AM |
| Sampled as on Sep 22, 2015: | Mucara ; Fine-loamy, smectitic, isohyperthermic Vertic Eutrudept |
| Revised to : |
| United States Department of Agriculture | ||||
| SSL | - | Project | C2018USPR103 SDJR MLRA 270 - Muraca clay | Natural Resources Conservation Service |
| - | Site ID | S2015PR097001 Lat: 18° 11' 9.77" north Long: 67° 2' 38.86" west MLRA: 270 | National Soil Survey Center | |
| - | Pedon No. | 18N2127 | Kellogg 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 |
| 18N06416 | Ap | Ap | 0-15 | S2015PR097001-1 | CL | CL | ||
| 18N06417 | Bw1 | Bw1 | 15-37 | S2015PR097001-2 | CL | CL | ||
| 18N06418 | Bw2 | Bw2 | 37-54 | S2015PR097001-3 | C | CL | ||
| 18N06419 | Bw3 | Bw3 | 54-76 | S2015PR097001-4 | C | CL | ||
| 18N06420 | BC | BC | 76-91 | S2015PR097001-5 | C | CL | ||
| Pedon Calculations | |||
| Calculation Name | Result | Units of Measure | |
| CEC Activity, CEC7/Clay, Weighted Average, CECd, Set 7 | 0.91 | (NA) | |
| Clay, total, set 2, Weighted Average | 32 | % wt | |
| Clay, carbonate free, set 2, Weighted Average | 32 | % wt | |
| Volume, >2mm, Weighted Average | 5 | % vol | |
| Weighted Particles, 0.1-75mm, 75 mm Base | 30 | % wt | |
| Weighted averages based on control section: 25-91 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 | |||||||||||||||
| 18N06416 | 0-15 | Ap | S | cl | 27.5 | 38.5 | 34.0 | 24.8 | 13.7 | 11.1 | 8.4 | 6.7 | 5.1 | 2.7 | -- | -- | -- | 23 | -- | ||
| 18N06417 | 15-37 | Bw1 | S | cl | 28.8 | 36.1 | 35.1 | 25.9 | 10.2 | 9.5 | 8.5 | 8.1 | 6.6 | 2.4 | tr | tr | -- | 26 | tr | ||
| 18N06418 | 37-54 | Bw2 | S | cl | 33.3 | 37.3 | 29.4 | 26.4 | 10.9 | 7.8 | 8.3 | 5.5 | 4.6 | 3.2 | 5 | 5 | 4 | 33 | 14 | ||
| 18N06419 | 54-76 | Bw3 | S | cl | 33.1 | 38.9 | 28.0 | 27.3 | 11.6 | 7.6 | 7.0 | 5.0 | 5.7 | 2.7 | 14 | 3 | 1 | 35 | 18 | ||
| 18N06420 | 76-91 | BC | S | cl | 30.8 | 36.7 | 32.5 | 24.6 | 12.1 | 9.1 | 9.1 | 7.3 | 5.2 | 1.8 | -- | -- | -- | 23 | -- | ||
| *** Primary Characterization Data *** |
| Pedon ID: S2015PR097001 | ( MayaguezMunicipio, Puerto Rico ) | Print Date: Sep 22 2026 10:28AM |
| Sampled As | : | Mucara | Fine-loamy, smectitic, isohyperthermic Vertic Eutrudept | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 18N2127 | |||
| 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 | % | ||||||||||
| DbWR1 | DbWR1 | DbWR1 | 3C2a1a | 3D1 | |||||||||||||
| 18N06416 | 0-15 | Ap | S | 1.32 | 1.44 | 0.029 | 26.4 | 3.3 | 1.048 | 0.30 | 1.08 | 0.12 | |||||
| 18N06417 | 15-37 | Bw1 | S | 1.34 | 1.46 | 0.029 | 26.4 | 2.4 | 1.049 | 0.32 | 1.02 | 0.08 | |||||
| 18N06418 | 37-54 | Bw2 | S | 1.25 | 1.38 | 0.031 | 28.7 | 3.0 | 1.050 | 0.30 | 0.88 | 0.09 | |||||
| 18N06419 | 54-76 | Bw3 | S | 1.25 | 1.38 | 0.030 | 30.0 | 6.2 | 1.049 | 0.27 | 0.87 | 0.19 | |||||
| 18N06420 | 76-91 | BC | S | 1.38 | 1.53 | 0.035 | 24.7 | 7.1 | 1.049 | 0.24 | 0.93 | 0.23 | |||||
| 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 - - - - -) | |||||||||||||||
| 4H2a | 4H2a | 4H2a | ||||||||||||||||||||
| 18N06416 | 0-15 | Ap | S | 1.54 | 0.24 | -- | 1.5 | 6 | ||||||||||||||
| 18N06417 | 15-37 | Bw1 | S | 0.78 | 0.13 | -- | 0.8 | 6 | ||||||||||||||
| 18N06418 | 37-54 | Bw2 | S | 0.77 | 0.17 | -- | 0.8 | 5 | ||||||||||||||
| 18N06419 | 54-76 | Bw3 | S | 0.92 | 0.13 | -- | 0.9 | 7 | ||||||||||||||
| 18N06420 | 76-91 | BC | S | 0.89 | 0.12 | -- | 0.9 | 8 | ||||||||||||||
| 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 - - -) | (- - - - - - - - % - - - - - - - -) | ||||||||||
| 4B1a1a | 4B1a1a | 4B1a1a | 4B1a1a | 4B2b1a1 | 4B3b1a | 4B3b1a | 4B1a1a | ||||||||||
| 18N06416 | 0-15 | Ap | S | 21.3* | 12.3 | 0.2 | 0.6 | 34.4 | 14.6 | 0.4 | 137.2 | 49.0 | 29.8 | 1 | 70 | 100 | |
| 18N06417 | 15-37 | Bw1 | S | 21.7* | 11.0 | 0.2 | 0.1 | 33.0 | 16.5 | 0.6 | 22.7 | 49.5 | 29.5 | 2 | 67 | 100 | |
| 18N06418 | 37-54 | Bw2 | S | 23.4* | 11.8 | 0.2 | 0.1 | 35.5 | 15.3 | 50.8 | 29.3 | 70 | 100 | ||||
| 18N06419 | 54-76 | Bw3 | S | 24.0* | 11.9 | 0.3 | 0.2 | 36.4 | 15.3 | 51.7 | 28.8 | 70 | 100 | ||||
| 18N06420 | 76-91 | BC | S | 23.8* | 12.2 | 0.2 | 0.1 | 36.3 | 14.7 | 51.0 | 28.5 | 71 | 100 | ||||
| *** Primary Characterization Data *** |
| Pedon ID: S2015PR097001 | ( MayaguezMunicipio, Puerto Rico ) | Print Date: Sep 22 2026 10:28AM |
| Sampled As | : | Mucara | Fine-loamy, smectitic, isohyperthermic Vertic Eutrudept | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 18N2127 | |||
| 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 - -) | % | |||||||||||||||
| 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F2 | 4F1a1a1 | |||||||
| 18N06416 | 0-15 | Ap | S | 9.3 | 8.1 | 0.8 | 0.3 | -- | 1.0 | -- | 0.4 | -- | -- | tr | 0.2 | 1.3 | 15.4 | 62.6 | 1.98 | 0.67 | tr | tr | |
| 18N06417 | 15-37 | Bw1 | S | 0.11 | 1 | ||||||||||||||||||
| 18N06418 | 37-54 | Bw2 | S | 0.09 | 1 | ||||||||||||||||||
| 18N06419 | 54-76 | Bw3 | S | 0.08 | 1 | ||||||||||||||||||
| 18N06420 | 76-91 | BC | S | 0.09 | 1 | ||||||||||||||||||
| 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 | 4F2 | ||||||||||||
| 18N06416 | 0-15 | Ap | S | 5.1 | 5.4 | 5.1 | ||||||||
| 18N06417 | 15-37 | Bw1 | S | 5.2 | 5.9 | |||||||||
| 18N06418 | 37-54 | Bw2 | S | 5.4 | 6.2 | |||||||||
| 18N06419 | 54-76 | Bw3 | S | 5.4 | 6.2 | |||||||||
| 18N06420 | 76-91 | BC | S | 5.5 | 6.3 | |||||||||
| Organic | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | -15- | -16- | -17- | |||
| Mineral | OM | OM+ | (- Total -) | Fiber Content | NaPyro | Decomp | Limnic | (- - pH - -) | (- - Bulk Density - -) | Proj | ||||||||||
| Depth | Content | TC*1.724 | Min | C | N | C/N | Unrub | Rub | Color | State | Matter | CaCl2 | H2O | 33 kPa | 33 kPa rewet | OD | Subs | |||
| Layer | (cm) | Horz | Prep | (- - - - - - - - % - - - - - - - -) | ratio | % (by vol) | g cm-3 | cm cm-1 | ||||||||||||
| 5A | 4H2a | 4H2a | 4C1a2a | |||||||||||||||||
| 18N06416 | 0-15 | Ap | S | 3 | 98 | 1.54 | 0.24 | 6 | 5.4 | -- | ||||||||||
| 18N06416 | 0-15 | Ap | MW | 95 | ||||||||||||||||
| 18N06417 | 15-37 | Bw1 | S | 1 | 96 | 0.78 | 0.13 | 6 | 5.9 | tr | ||||||||||
| 18N06417 | 15-37 | Bw1 | MW | 95 | ||||||||||||||||
| 18N06418 | 37-54 | Bw2 | S | 0.77 | 0.17 | 5 | 6.2 | 7 | ||||||||||||
| 18N06419 | 54-76 | Bw3 | S | 0.92 | 0.13 | 7 | 6.2 | 9 | ||||||||||||
| 18N06420 | 76-91 | BC | S | 0.89 | 0.12 | 8 | 6.3 | -- | ||||||||||||
| *** Primary Characterization Data *** |
| Pedon ID: S2015PR097001 | ( MayaguezMunicipio, Puerto Rico ) | Print Date: Sep 22 2026 10:28AM |
| Sampled As | : | Mucara | Fine-loamy, smectitic, isohyperthermic Vertic Eutrudept | ||
| USDA-NRCS-NSSC-Soil Survey Laboratory | ; | Pedon No. 18N2127 | |||
| Clay Mineralogy (<.002 mm) | -1- | -2- | -3- | -4- | -5- | -6- | -7- | -8- | -9- | -10- | -11- | -12- | -13- | -14- | -15- | -16- | -17- | -18- | |||
| X-Ray | Thermal | Elemental | EGME | Inter | |||||||||||||||||
| SiO2 | Al2O3 | Fe2O3 | MgO | CaO | K2O | Na2O | Retn | preta | |||||||||||||
| Depth | Fract | 7A1b1 | tion | ||||||||||||||||||
| Layer | (cm) | Horz | ion | ( - - - - - - - - - peak size - - - - - - - - - - ) | (- - - - - - - - - % - - - - - - - - - -) | (- - - - - - - - - - - - - - - - - - - - - % - - - - - - - - - - - - - - - - - - - - -) | mg g-1 | ||||||||||||||
| 18N06417 | 15.0-37.0 | Bw1 | tcly | VR 3 | KK 2 | VERM | |||||||||||||||
| 18N06418 | 37.0-54.0 | Bw2 | tcly | VR 3 | KK 2 | VERM | |||||||||||||||
| 18N06419 | 54.0-76.0 | Bw3 | tcly | VR 3 | KK 2 | GI 1 | VERM | ||||||||||||||
| 18N06420 | 76.0-91.0 | BC | tcly | VR 3 | KK 2 | VERM | |||||||||||||||
| FRACTION INTERPRETATION: | ||||
| tcly - Total Clay <0.002 mm | ||||
| MINERAL INTERPRETATION: | ||||
| GI Gibbsite | KK Kaolinite | VR Vermiculite | ||
| RELATIVE PEAK SIZE: | 5 Very Large | 4 Large | 3 Medium | 2 Small | 1 Very Small | 6 No Peaks |
| INTERPRETATION (BY HORIZON): | ||||
| VERM - Vermiculitic | ||||