Krause, C.R., Derksen, R.C., Horst, L., Zhu, H., Zondag, R. 2009. Effects of Sprayer Configuration of Efficacy for the Control of Scab on Crabapple Using Electron Beam Analysis. Scanning 31:24-27.
Reding, M.E., Zhu, H., Derksen, R.C. 2008. Drip-Chemigation with Imidacloprid and Nematodes for Control of Scarab Larvae in Nursery Crops. Journal of Environmental Horticulture. 26:93-100.
Derksen, R.C., Zhu, H., Ozkan, E., Hannond, R., Dorrance, A. Determining the influence of spray quality, nozzle type, spray volume, and air-assisted application strategies on deposition of pesticides in soybean canopy. Transactions of the ASABE. 51(5): 1529-1537
Zhu, H., Yu, Y., Ozkan, E.H., Derksen, R.C., Krause, C.R. 2008. Influence of spray additives on droplet evaporation and residual patterns on wax and wax-free surfaces. ASABE Annual International Meeting. Paper #083752.
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.
Derksen, R.C., Vitanza, S., Welty, C., Miller, S., Bennett, M., Zhu, H. 2007. Field Evaluation of Application Variables and Plant Spacing for Bell Pepper Pest Management. Transactions of the ASABE. 50(6):1945:1953.
Pierce, S.M., Chan, K.B., Zhu, H. 2008. Evaporation-driven surface pattern formation of an alkyl polyoxyethylene surfactant. Journal of Agricultural and Food Chemistry. 56(1):213-219.
Krause, C.R., Altland, J.E., Derksen, R.C., Frantz, J., Locke, J.C., Ranger, C.M., Reding, M.E., Zhu, H. 2007. Current projects of the Application Technology Research Unit. OFA Bulletin. No.904:24-25.
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.
Derksen, R.C., Frantz, J., Ranger, C.M., Locke, J.C., Zhu, H., Krause, C.R. 2007. The effect of spray volume and quality on handgun delivery of pesticides to greenhouse plants. Proceedings of the American Society of Agricultural and Biological Engineers International (ASABE). Paper No. 071149.
Guler, H., Zhu, H., Ozkan, H.E., Derksen, R.C., Yu, Y., Krause, C.R. 2007. Spray characteristics and drift reduction potential with air induction and conventional flat fan nozzles. Transactions of the ASABE. 50(3):745-754.
Zhu, H., Yu, Y., Derksen, R.C., Ozkan, H.E., Krause, C.R. 2007. Wide-swath Spray Application in Ornamental Nurseries with Cannon Air Jet Sprayer. Proceedings of the American Society of Agricultural and Biological Engineers International (ASABE), June 17-21, 2007, Minneapolis, MN. Paper No. 071069.
Derksen, R.C., Ozkan, H.E., Zhu, H., Dorrance, A. 2006. Nozzle and Equipment Considerations for Improved Coverage in the Soybean Canopy: A Summary of the Work Done in Ohio. National Soybean Rust Symposium.
Zhu, H. 2007. Development of Harmonic Radar Systems for Tracking Emerald Ash Borer [abstract]. USDA Interagency Research Forum on Gypsy Moth and Other Invasive Species.
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 ASABE. 49(5):1285-1294.
Guler, H., Zhu, H., Ozkan, H.E., Derksen, R.C., Yu, Y., Krause, C.R. 2006. Spray characteristics and wind tunnel evaluation of drift reduction potential with air induction and conventional flat fan nozzle [Abstract]. American Society Agricultural Biological Engineers, Annual International Meeting. Paper No. 06111.
Zhu, H., Derksen, R.C., Guler, H., Krause, C.R., Ozkan, H.E. 2006. Foliar deposition and off-target loss with different spray techniques in nursery application. Transactions of the ASAE. 49(2): p.325-334.
Guler, H., Zhu, H., Ozkan, H.E., Derksen, R.C., Krause, C.R. 2006. Wind tunnel evaluation of drift reduction potential and spray characteristics with drift retardants at high operating pressure. American Society for Testing and Materials. 3(5):1-9.
Ozkan, H.E., Zhu, H., Derksen, R.C. 2006. Evaluation of spraying equipment for effective deposition and coverage to control asian soybean rust. ASABE Annual International Meeting, July 9-12, 2006, Portland, OR.
Zhu, H., Derksen, R.C., Guler, H., Krause, C.R., Ozkan, H.E. 2006. Investigation of nursery canopy and ground deposition with three spray techniques. In: Aspects of Applied Biology 77. International Advances in Pesticide Applications 2006, January 8-13, 2006, Robinson College, Cambridge, UK. p. 49-495.
Ozkan, H.E., Zhu, H., Derksen, R.C., Guler, H., Krause, C.R. 2006. Evaluation of various spraying equipment for effective application of fungicides to control Asian Soybean Rust. Aspects of Applied Biology 77. International Advances in Pesticide Applications 2006, Robinson College, Cambridge, UK, January 8-13, 2006. p. 423-431.
Reding, M.E., Zhu, H., Derksen, R.C. 2005. Drip irrigation as a delivery system for imidacloprid and nematodes for control of scarab grubs in nursery crops [Abstract]. Presented at Natinal Meeting of the Entomological Society of America, December 14-18, 2005, Ft. Lauderdale, FL.
Derksen, R.C., Zhu, H., Ozkan, H.E., Dorrance, A.E., Krause, C.R. 2006. Effects of air-assisted and conventional spray delivery systems on management of soybean diseases. Aspects of Applied Biology 77. International Advances in Pesticide Applications 2006, Robinson College, Cambridge, UK. p. 415-422.
Zhu, H., Krause, C.R., Zondag, R. 2005. Monitoring water use, nutrient management, drainage and leachate in pot-in-pot nursery container production. In: 9th International Congress on Mechanization and Energy in Agriculture and 27th International Conference of CIGR, September 27-29, 2005, Izmir-Turkey. p. 264-269.
Zhu, H., Guler, H., Derksen, R.C., Ozkan, H.E. 2005. Comparison of airborne and ground spray deposits with hollow cone nozzle, low drift nozzle and drift retardant. In: Proceedings of the 9th International Congress on Mechanization and Energy in Agriculture and 27th International Conference of CIGR, September 27-29, 2005, Izmir-Turkdy. p. 73-78.
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, July 17-22, 2005, Tampa, Florida. Paper # 051007.
Zhu, H., Fox, R.D., Ozkan, H.E. 2005. A windows version of DRIFTSIM for estimating drift distances of droplets. ASAE Annual International Meeting, July 17-20, 2005, Tampa, Florida. Paper # 051145.
Brazee, R.D., Miller, E.S., Reding, M.E., Klein, M.G., Zhu, H., Nudd, B.E. 2005. A transponder for harmonic radar tracking of the black vine weevil in behavioral research. Transactions of the ASAE. 48(2):831-838.
Frantz, J., Pitchay, D., Ritchie, G., Zhu, H. 2005. Identifying common reflectance properties in diverse ornamental species to non-destructively determine nitrogen statues. Hortscience. 40(4):1060.
Grabow, G.L., Harrison, K., Dukes, M.D., Vories, E.D., Smith, W.B., Zhu, H., Khalilian, A. 2005. Considerations for the design and installation of SDI systems in humid areas. In: Proceedings of the World Water and Environmental Resources Congress. American Society of Civil Engineers, Reston, VA. Available: http://ascelibrary.aip.org/getpdf/servlet/GetPDFServlet?filetype=pdf&id=ASCECP000173040792000518000001&idtype=cvips
Zhu, H., Krause, C.R., Zondag, R.H., Brazee, R.D., Derksen, R.C., Reding, M.E., Fausey, N.R. 2005. A new system to monitor water and nutrient use efficiency in pot-in-pot nursery production system. Journal of Environmental Horticulture. 23(1):47-53.
Zhu, H., Zondag, R.H., Krause, C.R., Derksen, R.C., Demaline, T. 2005. Preliminary investigation of water and nutrient use, substrate temperature and moisture in pot-in-pot production. Extension Circular 195. pp. 135-144.
Reding, M.E., Zhu, H., Zondag, R. 2005. Application of imidacloprid through drip irrigation for control of white grubs in field-grown nursery crops. Extension Circular 195. p. 131-134.
Zhu, H., Derksen, R.C., Krause, C.R., Fox, R.D., Brazee, R.D., Ozkan, E.H. 2005. Fluorescent intensity of solutions containing fluorescent substances under different ph conditions. American Society for Testing and Materials. 2(6):1-7.
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.
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.
Zhu, H., Krause, C.R., Derksen, R.C., Zondag, R.H., Brazee, R.D., Fausey, N.R. 2004. New techniques for monitoring drip irrigation water use efficiency, drainage, and leachate in containers. ASAE Annual International Meeting. Paper No. 042247.
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.
Brazee, R.D., Zhu, H., Miller, E.S., Reding, M.E., Klein, M.G., Nudd, B.E. 2004. Development of harmonic radar transponders to track black vine weevil behavior in nurseries. ASAE Annual International Meeting. Paper No. 041033.
Brazee, R.D., Bukovac, M.J., Zhu, H. 2004. A diffusion model for plant cuticular membrane penetration by systemic compounds. Transactions of the ASAE. 47(3):629-635.
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 bean and conductivity analysis. Transactions of the ASAE. 47(2): 375-384.
Krause, C.R., Zhu, H., Zondag, R., Shipitalo, M.J., Williams, K.A., Brazee, R.D., Derksen, R.C., Reding, M.E., Demaline, T. 2004. Determination of water quality, water use efficiency and water runoff in pot-in-pot nurseries. Extension Publications. 193:78-83.
Brazee, R.D., Williams, K.A., Lohnes, D., Derksen, R.C., Zhu, H., Zondag, R., Krause, C.R. 2004. The USDA, Agricultural Research Service research weather station network in northern Ohio nurseries. Extension Publications. 193:190-193.
Zhu, H., Lamb, M.C., Butts, C.L., Blankenship, P.D. 2004. Improving peanut yield and grade with surface drip irrigation in undulating topographic fields. Transactions of the ASAE. Paper 032098.
Zhu, H., Lamb, M.C., Butts, C.L., Blankenship, P.D. 2003. Peanut production in topographic fields with surface drip irrigation. American Peanut Research and Education Society Abstracts.
Lamb, M.C., Rowland, D., Sorensen, R.B., Zhu, H., Blankenship, P.D., Butts, C.L. 2004. Research at the nprl shellman irrigation research farm. American Peanut Research and Education Society Abstracts. Vol. 35. www.apres.okstate.edu.
LAMB, M.C., ROWLAND, D., SORENSEN, R.B., ZHU, H., BLANKENSHIP, P.D., BUTTS, C.L. RESEARCH AT THE NPRL SHELLMAN IRRIGATION RESEARCH FARM. AMERICAN PEANUT RESEARCH AND EDUCATION SOCIETY ABSTRACTS. 2003. Vol. 35. www.apres.okstate.edu
Zhu, H., D. L. Rowland, J. W. Dorner, R. C. Derksen, R. B. Sorensen. Influence of plant structure, orifice size and nozzle inclination on spray penetration into peanut canopy. Applied Eng. in Agric. 2002. v.45(5). p.5-1301.
Zhu, H., Dorner, J.W., Rowland, D. 2002. Improving spray penetration into peanut canopies at different growing stages with proper nozzle selections. Journal of the Agricultural Association of China.