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 Agricultural Water Efficiency and Salinity Research Unit: Riverside, CA
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ARS Home Pacific West Area Riverside, California Agricultural Water Efficiency and Salinity Research Unit People & Locations







Daniel  Ashworth
                        Agricultural Water Efficiency and Salinity Research Unit

                        




                        
                        Research Soil Scientist
                        Phone: (909) 845-2219
                        
                        
                        Fax: (Employee information on this page comes from the REE Directory. Please contact your front office staff to update the REE Directory.)
                            ProjectsProtection of Food and Water Supplies from Pathogens and Human Induced Chemicals of Emerging Concern
                                                    In-House Appropriated
                                                                    (D)Accession Number: 441165Dissemination and Risk of Anthropogenically Induced Antibiotic Resistance in the Agricultural Environment
                                                    Reimbursable Cooperative Agreement
                                                                    (R)Accession Number: 439536Biochar-Based Polishing Technology for Treated Municipal Wastewater to Mitigate Antimicrobial Resistance Dissemination in Irrigated Cropping Systems
                                                    Reimbursable Cooperative Agreement
                                                                    (R)Accession Number: 443704Biochar-Based Wastewater Polishing Technology for Risk Mitigation of Antibiotic and Antimicrobial Resistance Dissemination in Agriculture
                                                    Non-Assistance Cooperative Agreement
                                                                    (S)Accession Number: 442916**Publications**
                                                (Clicking on the reprint icon
                                                    Reprint Icon
                                                    will take you to the publication reprint.)Cephalexin interaction with sludge-derived dissolved organic matter: binding mechanism and implications for adsorptive removal
                                                        

- (Peer Reviewed Journal)Schmidt, M.P., Ashworth, D.J., Ibekwe, A.M. 2024. Cephalexin interaction with sludge-derived dissolved organic matter: binding mechanism and implications for adsorptive removal. Environmental Science: Water Research & Technology. 2024(10)949-959. https://doi.org/10.1039/D3EW00590A.Potential reservoirs of antimicrobial resistance in livestock waste and treated wastewater that can be disseminated to agricultural land
                                                        

- (Peer Reviewed Journal)Ibekwe, A.M., Bhattacharjee, A.S., Phan, D., Ashworth, D.J., Schmidt, M.P., Murinda, S.E., Obayiuwana, A., Murry, M.A., Schwartz, G., Lundquist, T., Ma, J., Karathia, H., Fanelli, B., Hasan, N.A., Yang, C. 2023. Potential reservoirs of antimicrobial resistance in livestock waste and treated wastewater that can be disseminated to agricultural land. Science of the Total Environment. 872. Article 162194. https://doi.org/10.1016/j.scitotenv.2023.162194.Optimizing date palm leaf and pistachio shell biochar properties for antibiotic adsorption by varying pyrolysis temperature
                                                        

- (Peer Reviewed Journal)Schmidt, M.P., Ashworth, D.J., Marquez Celis, N., Ibekwe, A.M. 2023. Optimizing date palm leaf and pistachio shell biochar properties for antibiotic adsorption by varying pyrolysis temperature. Bioresource Technology Reports. 21. Article 101325. https://doi.org/10.1016/j.biteb.2022.101325.Dissemination of antibiotics through the wastewater–soil–plant–earthworm continuum
                                                        

- (Peer Reviewed Journal)Ashworth, D.J., Ibekwe, A.M., Men, Y., Ferreira, J.F. 2022. Dissemination of antibiotics through the wastewater–soil–plant–earthworm continuum. Science of the Total Environment. 858. Article 159841. https://doi.org/10.1016/j.scitotenv.2022.159841.Simulating emissions of 1,3-dichloropropene after soil fumigation under field conditions
                                                        

- (Peer Reviewed Journal)Yates, S.R., Ashworth, D.J. 2017. Simulating emissions of 1,3-dichloropropene after soil fumigation under field conditions. Science of the Total Environment. 621:444-452. https://doi.org/10.1016/j.scitotenv.2017.11.278.Reactive films for mitigating methyl bromide emissions from fumigated soil

- (Peer Reviewed Journal)Xuan, R., Ashworth, D.J., Luo, L., Yates, S.R. 2011. Reactive films for mitigating methyl bromide emissions from fumigated soil. Environmental Science and Technology. 45(6):2317-2322.Irrigation, organic matter addition, and tarping as methods of reducing emissions of methyl iodide from agricultural soil

- (Peer Reviewed Journal)Ashworth, D.J., Luo, L., Xuan, R., Yates, S.R. 2011. Irrigation, organic matter addition, and tarping as methods of reducing emissions of methyl iodide from agricultural soil. Environmental Science and Technology. 45(4):1384-1390.Predicting methyl iodide emission, soil concentration, and pest control in a two-dimensional chamber system

- (Peer Reviewed Journal)Luo, L., Yates, S.R., Ashworth, D.J. 2011. Predicting methyl iodide emission, soil concentration, and pest control in a two-dimensional chamber system. Journal of Environmental Quality. 40(1):109-117.Depleting methyl bromide residues in soil by reaction with bases

- (Peer Reviewed Journal)Xuan, R., Ashworth, D.J., Luo, L., Wang, H., Yates, S.R. 2010. Depleting methyl bromide residues in soil by reaction with bases. Environmental Science and Technology. 44(23):9080-9085.Active solarization as a nonchemical alternative to soil fumigation for controlling pests

- (Peer Reviewed Journal)Yates, S.R., Ashworth, D.J., Yates, M.D., Luo, L. 2011. Active solarization as a nonchemical alternative to soil fumigation for controlling pests. Soil Science Society of America Journal. 75(1):9-16.Transport and fate of methyl iodide a its pest control in soils

- (Peer Reviewed Journal)Luo, L., Ashworth, D.J., Dungan, R.S., Xuan, R., Yates, S.R. 2010. Transport and fate of methyl iodide a its pest control in soils. Environmental Science and Technology. 44(16):6275-6280.1,3-dichloropropene and chloropicrin emissions following simulated drip irrigation to raised beds under plastic films

- (Peer Reviewed Journal)Ashworth, D.J., Luo, L., Xuan, R., Yates, S.R. 2010. 1,3-dichloropropene and chloropicrin emissions following simulated drip irrigation to raised beds under plastic films. Environmental Science and Technology. 44(15):5793-5798.Methyl Iodide

- (Book / Chapter)Ashworth, D.J., Yates, S.R. 2010. Methyl Iodide. Hayes' Handbook of Pesticide Toxicology. UC Riverside, CA: Elsevier. p. 2307-2317.Laboratory Assessment of Emission Reduction Strategies for the Agricultural Fumigants 1,3-Dichloropropene and Chloropicrin

- (Peer Reviewed Journal)Ashworth, D.J., Ernst, F.F., Xuan, R., Yates, S.R. 2009. Laboratory Assessment of Emission Reduction Strategies for the Agricultural Fumigants 1,3-Dichloropropene and Chloropicrin. Journal of Environmental Science and Technology. 43(13):5073-5078.Transfers of iodine in the soil-plant-air system: Solid-liquid partitioning, migration, plant uptake adn volatilization

- (Book / Chapter)Ashworth, D.J. 2009. Transfers of iodine in the soil-plant-air system: Solid-liquid partitioning, migration, plant uptake adn volatilization. In: V.R. Preedy, G.N. Burrow and R.R. Watson (eds.) Comprehensive Handbook of Iodine. Academic Press, Elsevier, Inc. UK. Chapter 11 pp: 107-118.Soil Chamber Method for Determination of Drip-Applied Fumigant Behavior in Bed-Furrow Agriculture:  Application to Chloropicrin

- (Peer Reviewed Journal)Ashworth, D.J., Ernst, F.F., Yates, S.R. 2008. Soil Chamber Method for Determination of Drip-Applied Fumigant Behavior in Bed-Furrow Agriculture:  Application to Chloropicrin. Environmental Science and Technology. Vol 42:4434-4439Determining breakthrough of the soil fumigant chloropicrin from 120 mg XAD-4 sorbent tubes

- (Peer Reviewed Journal)Ashworth, D.J., Zheng, W., Yates, S.R. 2008. Determining breakthrough of the soil fumigant chloropicrin from 120 mg XAD-4 sorbent tubes. Atmospheric Environment.  Vol 42(21):5483-5488Surface irrigation reduces the emission of volatile 1,3-dichloropropene from agricultural soils

- (Peer Reviewed Journal)Ashworth, D.J., Yates, S.R. 2007. Surface irrigation reduces the emission of volatile 1,3-dichloropropene from agricultural soils. Environmental Science and Technology. Vol. 41:2231-2236Monometal and competitive adsorption of heavy metals by sewage sludge-amended soils

- (Peer Reviewed Journal)Antioniadis, V., Tsadilas, C.D., Ashworth, D.J. 2007. Monometal and competitive adsorption of heavy metals by sewage sludge-amended soils. Chemosphere. 68:489-494.Influence of Dissolved Organic Matter on the Solubility of Heavy Metals in Sewage-Sludge-Amended Soils

- (Peer Reviewed Journal)Ashworth, D.J., Alloway, B.J. 2008. Influence of Dissolved Organic Matter on the Solubility of Heavy Metals in Sewage-Sludge-Amended Soils. Communications in Soil Science and Plant Analysis. Vol 39:538-550Low-cost methods for reducing 1,3-dichloropropene volatilization from agricultural soil

- (Abstract Only)Ashworth, D.J., Yates, S.R. 2006. Low-cost methods for reducing 1,3-dichloropropene volatilization from agricultural soil. American Chemical Society National Meeting. pp# AGRO-117Soil migration, plant uptake and volatilisation of radio-selenium from a contaminated water table

- (Peer Reviewed Journal)Ashworth, D.J., Shaw, G. 2006. Soil migration, plant uptake and volatilisation of radio-selenium from a contaminated water table. Science of the Total Environment. Vol 370:506-514Effects of Moisture Content and Redox Potential on in situ Kd Values for Radiodine in Soil

- (Peer Reviewed Journal)Ashworth, D.J., Shaw, G. 2006. Effects of Moisture Content and Redox Potential on in situ Kd Values for Radiodine in Soil. Science of the Total Environment. Vol 359:244-254.


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