Robert D Fox
(Bob)
Application Technology Research Unit
(This person is no longer with ARS)
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Development of a Canopy Opener to Improve Spray Deposition and Coverage inside Soybean Canopies -- Part 1: Mathematical Models to Assist Opener Development
- (Peer Reviewed Journal)
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Zhu, H., Brazee, R.D., Fox, R.D., Derksen, R.C., Ozkan, H.E. 2008. Development of a Canopy Opener to Improve Spray Deposition and Coverage Inside Soybean Canopies -- Part 1: Mathematical Models to Assist Opener Development. Transactions of the ASABE. 51(6):1905-1912.
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A History of Air-Blast Sprayer Development and Future Prospects
- (Peer Reviewed Journal)
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Fox, R.D., Derksen, R.C., Zhu, H., Brazee, R.D., Svensson, S.A. 2008. A History of Air-Blast Sprayer Development and Future Prospects. Transactions of the ASABE. 51(2):405-410
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Coverage and Drift Produced by Air Induction and Conventional Hydraulic Nozzles Used for Orchard Applications
- (Peer Reviewed Journal)
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Derksen, R.C., Zhu, H., Fox, R.D., Brazee, R.D., Krause, C.R. 2007. Coverage and Drift Produced by Air Induction and Conventional Hydraulic Nozzles Used for Orchard Applications. Transactions of the ASABE. 50(5):1493-1501.
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A Specially Designed Air-Assist Sprayer to Improve Spray Penetration and Air Jet Velocity Distribution inside Dense Nursery Crops
- (Peer Reviewed Journal)
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Zhu, H., Brazee, R.D., Derksen, R.C., Fox, R.D., Krause, C.R., Ozkan, H.E., Losely, K.E. 2006. A Specially Designed Air-Assist Sprayer to Improve Spray Penetration and Air Jet Velocity Distribution inside Dense Nursery Crops. Transactions of the ASAE. 49(5):1285-1294.
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Dynamic Air Velocity and Spray Deposition inside Dense Nursery Crops with a Multi-Jet Air Assist Sprayer
- (Proceedings/Symposium)
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Zhu, H., Derksen, R.C., Krause, C.R., Ozkan, H.E., Brazee, R.D., Fox, R.D., Losely, K. 2006. Dynamic Air Velocity and Spray Deposition inside Dense Nursery Crops with a Multi-Jet Air Assist Sprayer [abstract]. ASABE Annual International Meeting. Paper No. 061125.
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The Effect of Application Variables on Spray Retention, Coverage, and Ground Losses in Nursery Tree Applications
- (Peer Reviewed Journal)
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Derksen, R.C., Krause, C.R., Fox, R.D., Brazee, R.D., Zondag, R. 2006. The Effect of Application Variables on Spray Retention, Coverage, and Ground Losses in Nursery Tree Applications. Journal of Environmental Horticulture. 24(1):45-52.
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Driftsim - Predicting Drift Distances of Spray Droplets
- (Peer Reviewed Journal)
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Zhu, H., Fox, R.D., Ozkan, E. 2005. Driftsim - Predicting Drift Distances of Spray Droplets. Software and User Manual Public Release.
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Spray Deposition and Off-Target Loss in Nursery Tree Crops with Conventional Nozzle, Air Induction Nozzle and Drift Retardant
- (Proceedings/Symposium)
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Zhu, H., Derksen, R.C., Krause, C.R., Brazee, R.D., Zondag, R., Fox, R.D., Reding, M.E., Ozkan, E.H. 2005. Spray Deposition and Off-Target Loss in Nursery Tree Crops with Conventional Nozzle, Air Induction Nozzle and Drift Retardant. ASAE Annual International Meeting. Paper No. 051007.
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A Windows Version of DRIFTSIM for Estimating Drift Distances of Droplets
- (Proceedings/Symposium)
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Zhu, H., Fox, R.D., Ozkan, H.E. 2005. A Windows Version of DRIFTSIM for Estimating Drift Distances of Droplets. ASAE Annual International Meeting. Paper No. 051145.
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Effect of Solution pH Conditions on Fluorescence of Spray Deposition Tracers
- (Peer Reviewed Journal)
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Zhu, H., Derksen, R.C., Krause, C.R., Fox, R.D., Brazee, R.D., Ozkan, H.E. 2005. Effect of Solution pH Conditions on Fluorescence of Spray Deposition Tracers. Applied Engineering in Agriculture. 21(3):325-329.
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Fluorescent Intensity of Dye Solutions under Different pH Conditions
- (Peer Reviewed Journal)
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Zhu, H., Derksen, R.C., Krause, C.R., Fox, R.D., Brazee, R.D., Ozkan, E.H. 2005. Fluorescent Intensity of Dye Solutions under Different pH Conditions. American Society for Testing and Materials. 2(6):1-7.
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Research to Reduce Potential Damage from Spray Drift Loss by the USDA-ARS Application Technology Research Unit
- (Proceedings/Symposium)
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Derksen, R.C., Zhu, H., Krause, C.R., Ozkan, H.E., Fox, R.D., Brazee, R.D. 2004. Research to reduce potential damage from spray drift loss by the USDA-ARS Application Technology Research Unit. Proceedings of International Drift on Pesticide Application for Drift Management Meeting, October 27-29, 2005. Waikoloa, Hawaii. p. 414-421.
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Driftsim -- a User-Friendly Computer Program to Predict Drift Distances of Droplets
- (Proceedings/Symposium)
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Zhu, H., Fox, R.D., Ozkan, H.E., Derksen, R.C., Krause, C.R. 2004. An application computer program (DRIFTSIM) to predict drift distances of water droplets from field sprayers. In: Ramsay, C., Hewitt, A. , Thistle, H., Hoffman, C., Wold, R., Wolf, T. (editors) Proceedings of International Conference on Pesticide Application for Drift Management. October 27-29, 2004. Waikoloa, Hawaii. p. 317-323.
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Spray Deposition in Taxus and Air Velocity Profile for a Five-Port, Air-Assist Sprayer
- (Proceedings/Symposium)
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Zhu, H., Derksen, R.C., Fox, R.D., Brazee, R.D., Fox, R.D., Ozkan, H.E. 2004. Spray deposition in taxus and air velocity profile for a five-port, air-assist sprayer. ASAE Annual International Meeting. Paper No. 041032.
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Detection and Quantification of Nursery Spray Penetration and Off-Target Loss with Electron Beam and Conductivity Analysis
- (Peer Reviewed Journal)
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Krause, C.R., Zhu, H., Derksen, R.C., Brazee, R.D., Fox, R.D., Horst, L., Zondag, R.H. 2004. Detection and Quantification of Nursery Spray Penetration and Off-Target Loss with Electron Beam and Conductivity Analysis. Transactions of the ASAE. 47(2):375-384.
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