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United States Department of Agriculture

Agricultural Research Service

Research Project: BIOLOGICAL, MICROCLIMATE, AND TRANSPORT PROCESSES AFFECTING PEST CONTROL APPLICATION TECHNOLOGY

Location: Application Technology Research Unit

Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)

Characterization of dynamic droplet impaction and deposit formation on leaf surfaces - (Peer Reviewed Journal)
(21-Aug-14)
Development of digital flow control system for multi-channel variable-rate sprayers - (Peer Reviewed Journal)
Liu, H., Zhu, H., Shen, Y., Chen, Y. 2014. Development of digital flow control system for multi-channel variable-rate sprayers. Transactions of the ASABE. 57(1): 273-281.
Spray deposition inside tree canopies from a newly developed variable-rate air assisted sprayer     Reprint Icon - (Peer Reviewed Journal)
Chen, Y., Ozkan, H.E., Zhu, H., Derksen, R.C., Krause, C.R. 2013. Spray deposition inside tree canopies from a newly developed variable-rate air assisted sprayer. Transactions of the ASABE. 56(6):1263-1272.
Spray drift and off-target loss reduction with a precision air-assisted sprayer     Reprint Icon - (Peer Reviewed Journal)
Chen, Y., Zhu, H., Ozkan, H.E., Derksen, R.C., Krause, C.R. 2013. Spray drift and off-target loss reduction with a precision air-assisted sprayer. Transactions of the ASABE. 56(6)1273-1281.
Three-dimensional imaging system for analyses of dynamic droplet impaction and deposition formation on leaves     Reprint Icon - (Peer Reviewed Journal)
Dong, X., Zhu, H., Yang, X. 2013. Three-dimensional imaging system for analyses of dynamic droplet impaction and deposition formation on leaves. Transactions of the ASABE. 56(5):1641-1651.
Assessment of spray deposition with water-sensitive paper cards     Reprint Icon - (Peer Reviewed Journal)
Salyani, M., Zhu, H., Sweeb, R.D., Pai, N. 2013. Assessment of spray deposition with water-sensitive paper cards. Agricultural Engineering International: CIGR Journal. 15(2):101-111.
Development of variable-rate precision spraying systems for tree crop production - (Proceedings)
Zhu, H., Chen, Y., Lu, H., Shen, Y., Jeon, H., Gu, J., 0zkan, E., Derksen, R.C., Reding, M.E., Ranger, C.M., Canas, L., Krause, C.R., Locke, J.C., Ernst, S., Zondag, R., Fulcher, A., Rosetta, R. 2013. Development of variable-rate precision spraying systems for tree crop production. Workshop Proceedings. 12th Workshop on Spray Application Techniques in Fruit Growing (Suprofruit 2013), June 26-28, 2013, Valencia, Spain. p. 123-125.
Real-time tree foliage density estimation with laser scanning sensor for variable-rate tree sprayer development - (Proceedings)
Chen, Y., Zhu, H., Ozkan, H.E. 2013. Real-time tree foliage density estimation with laser scanning sensor for variable-rate tree sprayer development. In: Proceedings of the American Society of Agricultural and Biological Engineers Annual Meeting, July 21-24, 2013, Kansas City, Missouri. ASABE Paper No. 131596009.http://dx.doi.org/10.13031/aim.20131596009.
Development of a real-time chemical injection system for air-assisted variable-rate sprayers - (Proceedings)
Shen, Y., Zhu, H., Liu, H., Chen, Y., Ozkan, E. 2013. Development of a real-time chemical injection system for air-assisted variable-rate sprayers. Symposium Proceedings. In: Proceedings of the American Society of Agricultural and Biological Engineers Annual Meeting,July 21-24, 2013, Kansas City, Missouri. ASABE Paper No. 131594669.http://dx.doi.org/10.13031/aim.20131594669.
Delay times of a LiDAR-guided precision sprayer control system - (Proceedings)
Shen, Y., Zhu, H., Liu, H., Chen, Y., Ozkan, E. 2013. Delay times of a LiDAR-guided precision sprayer control system. In: Proceedings of the American Society of Agricultural and Biological Engineers Annual Meeting, July 21-24, 2013, Kansas City, Missouri. ASABE Paper No. 131594649.http://dx.doi.org/10.13031/aim.20131594649.
Influence of travel speed on spray deposition uniformity from an air-assisted variable-rate sprayer - (Proceedings)
Liu, H., Zhu, H., Shen, Y., Chen, Y., Zondag, R., Ozkan, E. 2013. Influence of travel speed on spray deposition uniformity from an air-assisted variable-rate sprayer. In: Proceedings of the American Society of Agricultural and Biological Engineers Annual Meeting, July 21-24, 2013, Kansas City, Missouri. ASABE Paper No. 131594610.http://dx.doi.org/10.13031/aim.20131594610.
Evaluation of a laser scanning sensor for variable-rate tree sprayer development - (Proceedings)
Liu, H., Zhu, H., Shen, Y., Chen, Y., Ozkan, E. 2013. Evaluation of a laser scanning sensor for variable-rate tree sprayer development. In: Proceedings of the American Society of Agricultural and Biological Engineers Annual Meeting, July 21-24, 2013, Kansas City, Missouri. ASABE Paper No. 131594563. http://dx.doi.org/10.13031/aim.20131594563.
Air velocity distributions inside tree canopies from a variable-rate air-assisted sprayer - (Proceedings)
Gu, J., Zhu, H., Ding, W. 2013. Air velocity distributions inside tree canopies from a variable-rate air-assisted sprayer. In: Proceedings of the American Society of Agricultural and Biological Engineers Annual Meeting, July 21-24, 2013, Kansas City, Missouri. ASABE Paper No. 131594711. http://dx.doi.org/10.13031/aim.20131594711.
Influence of droplet size and velocity on droplet impact process on waxy leaf surfaces - (Proceedings)
Dong, X., Zhu, H., Yang, X. 2013. Influence of droplet size and velocity on droplet impact process on waxy leaf surfaces. In: Proceedings of the American Society of Agricultural and Biological Engineers Annual Meeting, July 21-24, 2013, Kansas City, Missouri. ASABE Paper No. 131594784.http://dx.doi.org/10.13031/aim.20131594784.
Characterization of hydraulic nozzles for droplet size and spray coverage     Reprint Icon - (Peer Reviewed Journal)
Guler, H., Zhu, H., Ozkan, H.E., Ling, P. 2013. Characterization of hydraulic nozzles for droplet size and spray coverage. Atomization and Sprays. 22(8):627-645.
Fertilizer applications for container-grown ornamental tree production     Reprint Icon - (Peer Reviewed Journal)
Zhu, H., Zondag, R., Merrick, J., Demaline, T., Jeon, H.Y., Krause, C.R., Locke, J.C. 2013. Fertilizer applications for container-grown ornamental tree production. Journal of Environmental Horticulture. 31(2):68-76.
Dispersion and evaporation of droplets amended with adjuvants on soybeans     Reprint Icon - (Peer Reviewed Journal)
Gimenes, M., Zhu, H., Raetano, C., Oliveira, R. 2013. Dispersion and evaporation of droplets amended with adjuvants on soybeans. Crop Protection Journal. 44:84-90.
Unimpeded air velocity profiles of air-assisted five-port sprayer     Reprint Icon - (Peer Reviewed Journal)
Gu, J., Zhu, H., Ding, W. 2012. Unimpeded air velocity profiles of air-assisted five-port sprayer. Transactions of the ASABE. 55(5):1659-1666.
Computational fluid dynamics applications to improve crop production systems     Reprint Icon - (Peer Reviewed Journal)
Bartzanas, T., Kacira, M., Zhu, H., Karmaker, S., Tamimi, E., Katsoulas, N., Lee, I.B., Kittas, C. 2013. Computational fluid dynamics applications to improve crop production systems. Computers and Electronics in Agriculture. 93:151-167.
Development of variable-rate sprayer with laser scanning sensor to synchronize spray outputs to tree structures     Reprint Icon - (Peer Reviewed Journal)
Chen, Y., Zhu, H., Ozkan, E. 2012. Development of variable-rate sprayer with laser scanning sensor to synchronize spray outputs to tree structures. Transactions of the ASABE. 55(3):773-781.
Two intelligent spraying systems developed for tree crop production - (Abstract Only)
Zhu, H., Ozkan, E., Derksen, R.C., Reding, M.E., Ranger, C.M., Canas, L., Krause, C.R., Locke, J.C., Ernst, S.C., Zondag, R.H., Fulcher, A., Rosetta, R., Jeon, H.Y., Chen, Y., Gu, J., Liu, H., Shen, Y., Rios, A.A. 2012. Two intelligent spraying systems developed for tree crop production. Meeting Abstract. 6th National Small Farm Conference,Memphis TN, September 18-20, 2012. p. 69-70.
Air velocity distributions from a variable-rate air-assisted sprayer for tree applications - (Proceedings)
Zhu, H., Gu, J., Chen, Y., Liu, H., Dong, X., Ding, W., Ozkan, E., Krause, C.R. 2012. Air velocity distributions from a variable-rate air-assisted sprayer for tree applications. CIGR-AgEng 2012: International Conference of Agricultural Engineering, July 8-12, 2012, Valencia, Spain. Paper No. C1547.
Development of Intelligent Spray Systems for Nursery Crop Production - (Abstract Only)
Zhu, H., Ozkan, E., Derksen, R.C., Ranger, C.M., Reding, M.E., Canas, L., Krause, C.R., Locke, J.C., Ernst, S.C., Zondag, R.H., Fulcher, A., Rosetta, R., Jeon, H.Y., Chen, Y., Gu, J., Hui, L., Shen, Y., Rios, A.A. 2012. Development of Intelligent Spray Systems for Nursery Crop Production. Meeting Abstract. 2012 ASHS Annual Conference, Miami Florida, July 31-August 3, 2012, Paper #8392.
A System to investigate 3-D droplet impact on leaf surfaces - (Proceedings)
Dong, X., Zhu, H., Yang, X., Jia, W. 2012. A System to investigate 3-D droplet impact on leaf surfaces. ASABE Annual International Meeting. Paper No. 121337317.
Air velocity distributions from air-assisted five-port sprayer - (Proceedings)
Gu, J., Zhu, H., Ding, W. 2012. Air velocity distributions from air-assisted five-port sprayer. ASABE Annual International Meeting. Paper No. 121337320.
An electronic flow control system for a variable-rate tree sprayer - (Proceedings)
Liu, H., Zhu, H., Chen, Y., Shen, Y., Ozkan, H.E. 2012. An electronic flow control system for a variable-rate tree sprayer. ASABE Annual International Meeting. Paper No. 121337321.
Evaporation rate of emulsion and oil-base emulsion pheromones - (Proceedings)
Xu, L., Ji, Y., Zhou, H., Zhu, H., Thistle, H.W., Krause, C.R. 2012. Evaporation rate of emulsion and oil-base emulsion pheromones. ASABE Annual International Meeting. Paper no. 121340956.
Half the Price for Insect and Disease Control, Is It Possible? - (Popular Publication)
Zhu, H., Zondag, R., Krause, C.R., Daley, J., Lyons, B., Merrick, J., Hammersmith, D., Lee, J., Holahan, M., Shelton, M., Geary, D., Demaline, T., Harding, A., Champion, B., Losely, K., Gilson, B., Hendricks, W. 2012. Half the Price for Insect and Disease Control, Is It Possible?. The Buckeye. 23(3):15-21.
Droplet size distributions of adjuvant-amended sprays from an air-assisted five-port PWM nozzle     Reprint Icon - (Peer Reviewed Journal)
Gu, J., Zhu, H., Ding, W., Jeon, H. 2011. Droplet size distributions of adjuvant-amended sprays from an air-assisted five-port PWM nozzle. Atomization and Sprays. 21(3):263-274.
Development of variable-rate sprayer for nursery liner applications     Reprint Icon - (Peer Reviewed Journal)
Jeon, H., Zhu, H. 2012. Development of variable-rate sprayer for nursery liner applications. Transactions of the ASABE. 55(1):303-312.
Performance evaluation of a newly developed variable rate sprayer for nursery liner applications     Reprint Icon - (Peer Reviewed Journal)
Jeon, H., Zhu, H., Derksen, R.C., Ozkan, E., Krause, C.R. 2012. Performance evaluation of a newly developed variable rate sprayer for nursery liner applications. Transactions of the ASABE. 54(6):1997-2007.
Reduced use of pesticides for effective controls of arthropod pests and plant diseases - (Peer Reviewed Journal)
Zhu, H., Zondag, R.H., Krause, C.R., Merrick, J., Daley, J. 2011. Reduced use of pesticides for effective controls of arthropod pests and plant diseases. Journal of Environmental Horticulture. 29(3):143-151.
An experimental variable-rate sprayer for nursery and orchard applications - (Proceedings)
Chen, Y., Zhu, H., Ozkan, E., Derksen, R.C., Krause, C.R. 2011. An experimental variable-rate sprayer for nursery and orchard applications. ASABE Annual International Meeting. Paper No. 1110497. http://asae.frymulti.com/azdez.asp?search=1&JID=5&AID=37207&CID=LOI2011&T=1.
Development of LIDAR-guided sprayer to synchronize spray outputs with canopy structures - (Proceedings)
Chen, Y., Zhu, H., Ozkan, E. 2011. Development of LIDAR-guided sprayer to synchronize spray outputs with canopy structures. ASABE Annual International Meeting. Paper No. http://asae.frymulti.com/azdez.asp?search=1&JID=5&AID=37206&CID=loui2011&T=1.
Spray droplet sizes with additives discharged from an air-assisted variable-rate nozzle - (Proceedings)
Gu, J., Zhu, H., Ding, W., Jeon, H. 2011. Spray droplet sizes with additives discharged from an air-assisted variable-rate nozzle. ASABE Annual International Meeting. Paper No. 1110542. http://asae.frymulti.com/azdez.asp?search=1&JID=5&AID=37221&CID=loui2011&T=1.
A miniature ultrasonic actuator-control system for plant stem diameter micro-variation measurements - (Proceedings)
Gao, G., Zhu, H. 2011. A miniature ultrasonic actuator-control system for plant stem diameter micro-variation measurements. ASABE Annual International Meeting. Paper No. 1110592. http://asae.frymulti.com/azdez.asp?search=1&JID=5&AID=39065&CID=loui2011&T=2.
Verification of a variable rate sprayer for nursery liner applications - (Proceedings)
Jeon, H., Zhu, H., Derksen, R.C., Ozkan, E., Krause, C.R. 2011. Verification of a variable rate sprayer for nursery liner applications. ASABE Annual International Meeting, 8/7-10/11, Louisville, Kentucky. Paper No. 1110497.
Robust crop and weed segmentation under uncontrolled outdoor illumination     Reprint Icon - (Peer Reviewed Journal)
Jeon, H., Tian, L.F., Zhu, H. 2011. Robust crop and weed segmentation under uncontrolled outdoor illumination. Sensors. 11(6)6270-6283.
Optimal Spray Application Rates for Ornamental Nursery Liner Production     Reprint Icon - (Peer Reviewed Journal)
Zhu, H., Altland, J.E., Derksen, R.C., Krause, C.R. 2011. Optimal spray application rates for ornamental nursery liner production. HortTechnology. 21(3):367-375.
Distribution of chemical and microbial pesticides delivered through drip irrigation systems - (Book / Chapter)
Zhu, H., Wang, X., Reding, M.E., Locke, J.C. 2011. Distribution of chemical and microbial pesticides delivered through drip irrigation systems. In: Stoytcheva, M. editor. Pesticides - Formulations, Effects, Fate. Rijeka, Croatia:InTech. p 155-180.
Spray technologies for insect and disease control in ornamental nurseries - (Trade Journal)
Zhu, H., Zondag, R. 2011. Spray technologies for insect and disease control in ornamental nurseries. Nursery Management and Production. 58-61.
Capability of patch antennas in a portable harmonic radar system to track insects     Reprint Icon - (Peer Reviewed Journal)
Zhu, H., Psychoudakis, D., Brazee, R.D., Thistle, H.W., Volakis, J.L. 2011. Capability of patch antennas in a portable harmonic radar system to track insects. Transactions of the ASABE. 54(1):355-362.
A portable scanning system for evaluation of spray deposit distribution     Reprint Icon - (Peer Reviewed Journal)
Zhu, H., Salyani, M., Fox, R.D. 2011. A portable scanning system for evaluation of spray deposit distribution. Computers and Electronics in Agriculture. 76(1):38-43.
Droplet evaporation and spread on waxy and hairy leaves associated with type and concentration of adjuvants     Reprint Icon - (Peer Reviewed Journal)
Xu, L., Zhu, H., Ozkan, E., Bagley, B., Krause, C.R. 2011. Droplet evaporation and spread on waxy and hairy leaves associated with type and concentration of adjuvants. Pest Management Science. 67:842-851. DOI: 10.1002/ps.2122.
Development of a desiccated cadaver delivery system to apply entomopathogenic nematodes for control of soil pests     Reprint Icon - (Peer Reviewed Journal)
Zhu, H., Grewal, P.S., Reding, M.E. 2011. Development of a desiccated cadaver delivery system to apply entomopathogenic nematodes for control of soil pests. Applied Engineering in Agriculture. 27(3):317-324.
Development of Two Intelligent Spray Systems for Ornamental Nurseries - (Proceedings)
Zhu, H., Jeon, H., Chen, Y., Gu, J., Ozkan, H., Derksen, R.C., Reding, M.E., Ranger, C.M., Canas, L., Krause, C.R., Locke, J.C., Zondag, R.H., Ernst, S.C., Fulcher, A., Rosetta, R. 2012. Development of Two Intelligent Spray Systems for Ornamental Nurseries. International Plant Propagators Proceedings. 60:41-46.
Evaluation of Ultrasonic Sensors for the Variable Rate Tree Liner Sprayer Development     Reprint Icon - (Peer Reviewed Journal)
Jeon, H., Zhu, H., Derksen, R.C., Ozkan, H., Krause, C.R. 2011. Evaluation of ultrasonic sensors for the variable rate tree liner sprayer development. Computers and Electronics in Agriculture. 75(1):213-221. DOI:10.10161j.compag.2010.11.007.
Efficacious Insect and Disease Control with Reduced Active Ingredient and Carrier Rate - (Abstract Only)
Zhu, H., Zondag, R.H., Krause, C.R. 2010. Efficacious insect and disease control with reduced active ingredient and carrier rate [abstract]. 12th International Congress of Pesticide Chemistry, July 4-8, 2010, Melbourne, Australia. p. 7.
Evaporation Time and Spread Area of Adjuvant-amended Droplets on Waxy and Hairy Leaves - (Proceedings)
Zhu, H., Yu, Y., Xu, L., Ozkan, H.E., Krause, C.R. 2010. Evaporation Time and Spread Area of Adjuvant-amended Droplets on Waxy and Hairy Leaves. Symposium Proceedings. www.ilass.org/recent/conferencepapers/ilass2010-140.pdf.
Evaporation Rate and Development of Wetted Area of Water Droplets with and without Surfactant at Different Locations on Waxy Leaf Surfaces     Reprint Icon - (Peer Reviewed Journal)
Xu, L., Zhu, H., Ozkan, E., Thisle, H. 2010. Evaporation Rate and Development of Wetted Area of Water Droplets with and without Surfactant at Different Locations on Waxy Leaf Surfaces. Biosystems Engineering. 106: 58-67.
Adjuvant Effects on Evaporation Rates and Wetted Area of Droplets on Waxy Leaves     Reprint Icon - (Peer Reviewed Journal)
Xu, L., Zhu, H., Ozkan, E., Bagley, B., Derksen, R.C., Krause, C.R. 2010. Adjuvant Effects on Evaporation Rates and Wetted Area of Droplets on Waxy Leaves. Transactions of the ASABE. 53(1): 13-20.
Laboratory and Field Tests of Ultrasonic Sensors for Precision Sprayers     Reprint Icon - (Proceedings)
Jeon, H.Y., Zhu, H., Derksen, R.C., Ozkan, H.E., Krause, C.R. 2010. Laboratory and Field Tests of Ultrasonic Sensors for Precision Sprayers. American Society of Agricultural and Biological Engineers International Meeting, June 20-23, 2010, Pittsburgh, Pennsylvania. ASABE Paper # 1008804.
A Portable Pixel Recognition System for Evaluating the Distribution of Spray Deposits     Reprint Icon - (Proceedings)
Zhu, H., Salyani, M., Fox, R.D. A Portable Pixel Recognition System for Evaluating the Distribution of Spray Deposits. American Society of Agricultural and Biological Engineers International Meeting, June 20-23, 2010, Pittsburgh, Pennsylvania. ASABE Paper # 1008502.
Evaporation and Spread of Droplets with Various Types and Concentrations of Adjuvants on Waxy and Hairy Leaves     Reprint Icon - (Proceedings)
Xu, L., Zhu, H., Ozkan, H.E., Bagley, W.E. Evaporation and Spread of Droplets with Various Types and Concentrations of Adjuvants on Waxy and Hairy Leaves. American Society of Agricultural and Biological Engineers International Meeting, June 20-23, 2010, Pittsburgh, Pennsylvania. ASABE Paper # 1008586.
A Real-time Variable-Rate Sprayer for Nursery Liner Applications - (Proceedings)
Jeon, H.Y., Zhu, H., Derksen, R.C., Ozkan, H.E., Krause, C.R. 2010. A Real-time Variable-Rate Sprayer for Nursery Liner Applications. American Society of Agricultural and Biological Engineers International Meeting, June 20-23, 2010, Pittsburgh, Pennsylvania. ASABE Paper #1008801.
ARS Nursery and Floricultural Crop Research in Ohio - (Popular Publication)
Krause, C.R., Altland, J.E., Derksen, R.C., Frantz, J., Locke, J.C., Ranger, C.M., Reding, M.E., Zhu, H. 2009. ARS Nursery and Floricultural Crop Research in Ohio. The Buckeye. December 2009, pg 19-21.
Influence of Spray Formulation and Leaf Surface Structure on Droplet Evaporation and Wetted Area - (Peer Reviewed Journal)
Zhu, H., Yu, Y., Ozkan, H. 2010. Influence of Spray Formulation and Leaf Surface Structure on Droplet Evaporation and Wetted Area. Aspects of Applied Biology. 99:333-340.
Off-Target Loss in Ornamental Nurseries with Different Spray Techniques - (Proceedings)
Zhu, H., Derksen, R.C., Krause, C.R., Zondag, R.H. 2009. Off-Target Loss in Ornamental Nurseries with Different Spray Techniques. Communications in Agricultureand Biological Sciences, Ghent University, Ghent, Belgium. Vol 74(1): 25-36.
Evaporation and Coverage Area of Pesticide Droplets on Hairy and Waxy Leaves     Reprint Icon - (Peer Reviewed Journal)
Yu, Y., Zhu, H., Frantz, J., Reding, M.E., Chan, K.C. 2009. Evaporation and Coverage Area of Pesticide Droplets on Hairy and Waxy Leaves. Biosystems Engineering. 104:324-334.
Delivery of Chemical and Microbial Pesticides from Drip Irrigation Emitters     Reprint Icon - (Peer Reviewed Journal)
Wang, X., Zhu, H., Reding, M.E., Locke, J.C., Leland, J.E., Derksen, R.C., Spongberg, A.L., Krause, C.R. 2009. Delivery of Chemical and Microbial Pesticides from Drip Irrigation Emitters. Applied Engineering in Agriculture. 25(6):883-893.
Surfactant Droplet Evaporation and Deposition Patterns on Waxy Leaf Surface     Reprint Icon - (Proceedings)
Xu, L., Zhu, H., Ozkan, E. 2009. Surfactant Droplet Evaporation and Deposition Patterns on Waxy Leaf Surface. ASABE Annual International Meeting. ASABE paper # 096671, pg 20.
Adjuvant Effects on Evaporation Time and Wetted Area of Droplets     Reprint Icon - (Proceedings)
Xu, L., Zhu, H., Ozkan, E., Bagley, B. 2009. Adjuvant Effects on Evaporation Time and Wetted Area of Droplets. ASABE Annual International Meeting, June 21-24, 2009, Reno, NV. Paper #96675.
Last Modified: 8/27/2014
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