Josh Padilla

Soil Scientist
USDA-ARS
Coastal Plains Soil, Water, and Plant Research Center
2611 West Lucas St., Florence, SC 29501-1242

Dr. Josh Padilla is a postdoctoral research scientist currently working on the development of designer biochars to control the mobility of phosphorus and heavy metals in soil. His research interests are broadly focused on the mobility and fate of chemicals in the environment.

Education and Training:

Ph.D., Soil Science, Louisiana State University
M.S., Soil Science, Louisiana State University
B.S., Watershed Science, Colorado State University

Selected Publications:

• Padilla, J.T., Selim, H.M., Gaston, L.A. (2022). Modeling the sorption of Ni(II) and Zn(II) by Mn oxide-coated sand: Equilibrium and kinetic approaches. Journal of Environmental Quality (accepted).
• Padilla, J.T., Gaston, L.A., Selim, H.M. (2022). A Freundlich-type multi-component approach for modeling the sorption of nickel and phosphate in soil. Soil Science Society of America Journal 86, 664-677.
• Padilla, J.T., Selim, H.M. (2021). Modeling the kinetics of competitive sorption and desorption of Zn(II), Ni(II), and Pb(II) in an acidic soil: Stirred-flow experiments. Soil Science Society of America Journal 85, 560-573.
• Padilla, J.T., Selim, H.M. (2020). Environmental behavior of glyphosate in soils. Advances in Agronomy 159, 1-34.
• Sun, W., Li, X., Padilla, J.T., Elbana, T.A., Selim, H.M. (2019). The influence of phosphate on the adsorption-desorption kinetics of vanadium in an acidic soil. Journal of Environmental Quality 48, 686-693.
• Padilla, J.T., Hormes, J., Selim, H.M. (2019). Use of portable XRF: Effect of thickness and antecedent moisture of soils on measured concentration of trace elements. Geoderma 337, 143-149.
• Padilla, J.T., Selim, H.M. (2019). Time-Dependent Sorption and Desorption of Glyphosate in Soils: Multi-reaction Modeling. Vadose Zone Journal 18, 1-10.
• Padilla, J.T., Selim, H.M. (2019). Interactions among glyphosate and phosphate in soils: Laboratory retention and transport studies. Journal of Environmental Quality 48, 156-163.
• Padilla, J.T., Selim, H.M. (2018). Glyphosate Transport in Two Louisiana Agricultural Soils: Miscible Displacement Studies and Numerical Modeling. Soil Systems 2, 53.

• Projects

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• Publications

  • (Clicking on the reprint icon will take you to the publication reprint.)
  • Ironstone and red mud barriers to reduce lateral movement of soil phosphorus-(Peer Reviewed Journal)
    
    
  • Effect of soil pH and mineralogy on the sorption and desorption of phosphite and phosphate in Ultisols of the Southeastern Coastal Plain -(Peer Reviewed Journal)
    Szogi, A.A., Padilla, J.T., Shumaker, P.D. 2024. Effect of soil pH and mineralogy on the sorption and desorption of phosphite and phosphate in Ultisols of the Southeastern Coastal Plain. Soil Science Society of America Journal. 88(4):1248-1258. https://doi.org/10.1002/saj2.20706.
    
  • Data from: evaluation of a pH- and time-dependent model for the sorption of heavy metal cations by poultry litter-derived biochar -(Database / Dataset)
    Padilla, J.T., Watts, D.W., Szogi, A.A., Johnson, M.G. 2023. Data from: evaluation of a pH- and time-dependent model for the sorption of heavy metal cations by poultry litter-derived biochar. Dryad Digital Repository. https://doi.org/10.5061/dryad.4f4qrfjk8.
    
  • Evaluation of a pH- and time-dependent model for the sorption of heavy metal cations by poultry litter-derived biochar -(Peer Reviewed Journal)
    Padilla, J.T., Watts, D.W., Szogi, A.A., Johnson, M.G. 2023. Evaluation of a pH- and time-dependent model for the sorption of heavy metal cations by poultry litter-derived biochar. Chemosphere. 347.Article 140688. https://doi.org/10.1016/j.chemosphere.2023.140688.
    
  • Data from: magnesium activation affects the properties and phosphate sorption capacity of poultry litter biochar -(Database / Dataset)
    Padilla, J.T., Watts, D.W., Novak, J.M., Cerven, V., Ippolito, J.A., Szogi, A.A., Johnson, M.G. 2023. Data from: magnesium activation affects the properties and phosphate sorption capacity of poultry litter biochar. Dryad Digital Repository. https://doi.org/10.5061/dryad.pc866t1w7.
    
  • Magnesium activation affects the properties and phosphate sorption capacity of poultry litter biochar -(Peer Reviewed Journal)
    Padilla, J.T., Watts, D.W., Novak, J.M., Cerven, V., Ippolito, J.A., Szogi, A.A., Johnson, M.G. 2023. Magnesium activation affects the properties and phosphate sorption capacity of poultry litter biochar. Biochar . 5(64). https://doi.org/10.1007/s42773-023-00263-5.
    
  • Simple approaches to modeling pH-dependent and multicomponent sorption of Ions by variable-charged minerals -(Peer Reviewed Journal)
    Padilla, J.T. 2023. Simple approaches to modeling pH-dependent and multicomponent sorption of Ions by variable-charged minerals. Soil Science Society of America Journal. https://doi.org/10.1002/saj2.20555.
    
  • Modeling the competitive sorption and transport of Ni(II) and Zn(II) in soils: Comparing two multicomponent approaches -(Peer Reviewed Journal)
    Padilla, J.T., Selim, H.M., Gaston, L.A. 2022. Modeling the competitive sorption and transport of Ni(II) and Zn(II) in soils: Comparing two multicomponent approaches. Journal of Contaminant Hydrology. 252. Article 104108. https://doi.org/10.1016/j.jconhyd.2022.104108.
    
  • Rhizoctonia crown and root rot resistance evaluation of Beta PIs in Fort Collins, CO, 2015-(Peer Reviewed Journal)
    Padilla, J.T., Vagher, T.O., Fenwick, A.L. 2016. Rhizoctonia crown and root rot resistance evaluation of Beta PIs in Fort Collins, CO, 2015. Plant Disease Management Reports. 10:FC167.
    

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