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

Capability of patch antennas in a portable harmonic radar system to track insects - (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.

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)

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.

A History of Air-Blast Sprayer Development and Future Prospects - (Peer Reviewed Journal)

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

Coverage and Drift Produced by Air Induction and Conventional Hydraulic Nozzles Used for Orchard Applications - (Peer Reviewed Journal)

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.

A Specially Designed Air-Assist Sprayer to Improve Spray Penetration and Air Jet Velocity Distribution inside Dense Nursery Crops - (Peer Reviewed Journal)

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.

Dynamic Air Velocity and Spray Deposition inside Dense Nursery Crops with a Multi-Jet Air Assist Sprayer - (Proceedings)

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.

Development of a Canopy Opener to Increase Spray Deposition and Coverage inside Soybean Canopies - (Proceedings)

Zhu, H., Derksen, R.C., Ozkan, H.E., Guler, H., Brazee, R.D., Reding, M.E., Krause, C.R. 2006. Development of a Canopy Opener to Increase Spray Deposition and Coverage inside Soybean Canopies [abstract]. ASABE Annual International Meeting. Paper No. 061164.

The Effect of Application Variables on Spray Retention, Coverage, and Ground Losses in Nursery Tree Applications - (Peer Reviewed Journal)

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.

Spray Deposition and Off-Target Loss in Nursery Tree Crops with Conventional Nozzle, Air Induction Nozzle and Drift Retardant - (Proceedings)

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.

A Transponder for Harmonic Radar Tracking of the Black Vine Weevil in Behavioral Research - (Peer Reviewed Journal)

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.

A New System to Monitor Water and Nutrient use Efficiency in Pot-in-Pot Nursery Production System - (Peer Reviewed Journal)

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.

Effect of Solution pH Conditions on Fluorescence of Spray Deposition Tracers - (Peer Reviewed Journal)

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.

Fluorescent Intensity of Dye Solutions under Different pH Conditions - (Peer Reviewed Journal)

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.

Real-Time Measurement of Drainage From Pot-in-Pot Container Nurseries - (Peer Reviewed Journal)

Zhu, H., Krause, C.R., Derksen, R.C., Brazee, R.D., Zondag, R., Fausey, N.R. 2004. Real-Time Measurement of Drainage From Pot-in-Pot Container Nurseries. Transactions of the ASAE. 47(6):1973-1979.

RESEARCH TO REDUCE POTENTIAL DAMAGE FROM SPRAY DRIFT LOSS BY THE USDA-ARS APPLICATION TECHNOLOGY RESEARCH UNIT - (Proceedings)

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.

SPRAY DEPOSITION IN TAXUS AND AIR VELOCITY PROFILE FOR A FIVE-PORT, AIR-ASSIST SPRAYER - (Proceedings)

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.

NEW TECHNIQUES FOR MONITORING DRIP IRRIGATION WATER USE EFFICIENCY, DRAINAGE, AND LEACHATE IN CONTAINERS - (Proceedings)

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.

Diffusion Model for Plant Cuticular Penetration by Spray-Applied Weak Organic Acid Bioregulator in Presence or Absence of Ammonium Nitrate - (Peer Reviewed Journal)

Brazee, R.D., Bukovac, M.J., Zhu, H. 2004. Diffusion Model for Plant Cuticular Penetration by Spray-Applied Weak Organic Acid Bioregulator in Presence or Absence of Ammonium Nitrate. Transactions of the ASAE. 47(3):629-635.

Spray Delivery by Air Curtain and Axial Fan Orchard Sprayers to Nursery Trees - (Peer Reviewed Journal)

Derksen, R.C., Krause, C.R., Fox, R.D., Brazee, R.D., Zondag, R. 2004. Spray Delivery by Air Curtain and Axial Fan Orchard Sprayers to Nursery Trees. Journal of Environmental Horticulture. 22(1):17-22.

FALL SUBSURFACE INSECTICIDE TREATMENTS AGAINST EUROPEAN CHAFER GRUBS DAMAGING FIELD-GROWN ORNAMENTALS - (Peer Reviewed Journal)

Reding, M.E., Klein, M.G., Brazee, R.D., Krause, C.R. 2004. Fall subsurface insecticide treatments against european chafer grubs damaging field-grown ornamentals. Journal of Environmental Horticulture. 22(1):32-36.

Detection and Quantification of Nursery Spray Penetration and Off-Target Loss with Electron Beam and Conductivity Analysis - (Peer Reviewed Journal)

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.

THE USDA, AGRICULTURAL RESEARCH SERVICE RESEARCH WEATHER STATION NETWORK IN NORTHERN OHIO NURSERIES - (Research Notes)

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.

DETERMINATION OF WATER QUALITY, WATER USE EFFICIENCY AND WATER RUNOFF IN POT-IN-POT NURSERIES - (Research Notes)

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.

Evaluation of Fan-Pattern Spray Nozzle Wear Using Scanning Electron Microscopy - (Peer Reviewed Journal)

Krause, C.R., Reichard, D.L., Zhu, H., Brazee, R.D., Ozkan, H.E., Fox, R.D. 2003. Evaluation of Fan-Pattern Spray Nozzle Wear Using Scanning Electron Microscopy. Scanning. 25:8-10.

Collection Efficiency of Airborne Spray with Nylon Screen - (Peer Reviewed Journal)

Fox, R.D., Derksen, R.C., Zhu, H., Downer, R.A., Brazee, R.D. 2004. Collection Efficiency of Airborne Spray with Nylon Screen. Applied Engineering in Agriculture. 20(2): 147-152.

PESTICIDE DELIVERY: MULTIPLE ROLE OF ADJUVANTS IN FOLIAR APPLICATION OF SYSTEMIC COMPOUNDS - (Proceedings) - (22-Apr-03)

THE USDA/AGRICULTURAL RESEARCH SERVICE RESEARCH WEATHER NETWORK IN LAKE COUNTY, OHIO - 2002 UPDATE - (Experiment Station)

Brazee, R.D., Derksen, R.C., Krause, C.R., Williams, K.A., Lohnes, D., Klein, M.G., Reding, M.E., Lyons, R., Hendricks, W., Zondag, R. 2004. The usda/agricultural research service research weather network in lake county, ohio - 2002 update. Extension Circular. 189:145-148.

Research on Black Vine Weevil and White Grubs in Ornamental Nurseries in Ohio by USDA-ARS - (Experiment Station)

Reding, M.E., Klein, M.G., Brazee, R.D., Krause, C.R. 2003. Research on Black Vine Weevil and White Grubs in Ornamental Nurseries in Ohio by USDA-ARS. Extension Circular.189:89-93.

The Effects of Sprayer Configuration on Efficacy for the Control of Scab on Crabapple - (Experiment Station)

Krause, C.R., Derksen, R.C., Horst, L., Zondag, R., Brazee, R.D., Klein, M.G., Reding, M.E. 2003. The Effects of Sprayer Configuration on Efficacy for the Control of Scab on Crabapple. Extension Circular. 189:65-68

LATE FALL RESCUE TREATMENTS AGAINST EUROPEAN CHAFER GRUBS INFESTING RHODODENDRONS IN AN OHIO NURSERY - (Abstract Only) - (26-Mar-02)

SPRAY APPLICATION PLAYS A DETERMINING ROLE IN PERFORMANCE OF SYSTEMIC COMPOUNDS APPLIED TO THE FOLIAGE OF FRUIT PLANTS - (Proceedings) - (10-Jan-02)

EVALUATION OF A PNEUMATIC SHIELDED SPRAYING SYSTEM BY CFD SIMULATION - (Peer Reviewed Journal) - (29-Nov-01)

CFD SIMULATION OF MOVING SPRAY SHIELDS - (Peer Reviewed Journal) - (21-Nov-01)

SIMULATION OF JET AGITATION IN SPRAYER TANKS; COMPARISON OF PREDICTED AND MEASURED WATER VELOCITIES - (Proceedings) - (15-Nov-01)

PERFORMANCE OF AIR INCLUSION NOZZLES FOR AIRBLAST TREATMENT OF FRUIT TREES - (Abstract Only) - (29-Jan-01)

SIMULATION OF JET AGITATION IN SPRAYER TANKS; COMPARISON OF PREDICTED AND MEASURED WATER VELOCITIES - (Peer Reviewed Journal) - (18-Dec-00)

DRIFT FROM SPRAYING ORCHARDS - (Proceedings) - (04-Dec-00)

LOW DRIFT APPLICATION TECHNOLOGIES-AIRBLAST (FRUIT AND SHADE CANOPIES) - (Proceedings) - (11-Oct-00)

SPOT SIZE COMPARISONS ON OIL- AND WATER-SENSITIVE PAPER - (Peer Reviewed Journal) - (26-Sep-00)

COVERAGE AND DRIFT PRODUCED BY AIR-INDUCTION AND CONVENTIONAL HYDRAULIC NOZZLES USED FOR ORCHARD APPLICATIONS - (Proceedings) - (10-Jul-00)

LARGE DROPLET, AIR-ASSIST AND COPPER APPLICATION EVALUATIONS - (Proceedings) - (10-Feb-00)

EVALUATION OF DROPLET SPECTRA AND DOWNWIND DEPOSITS FROM VENTURI AND PRE-ORIFICE NOZZLES - (Peer Reviewed Journal) - (21-Oct-99)

EXPERIMENTAL STUDY OF JET AGITATION EFFECTS ON AGROCHEMICAL MIXING IN SPRAYER TANKS - (Peer Reviewed Journal) - (21-Oct-99)

THE IMPACT OF APPLICATION VARIABLES ON THE EFFECTIVENESS OF NURSERY STOCK SPRAYS - (Proceedings) - (19-Jul-99)

WIND TUNNEL EVALUATION OF AIR-ASSIST SPRAYER OPERATING PARAMETERS - (Proceedings) - (19-Jul-99)

CRITERIA AND PROCEDURES FOR EVALUATING AGROCHEMICAL MIXING IN SPRAYER TANKS - (Peer Reviewed Journal) - (23-Mar-99)

NEW DEVELOPMENTS IN PESTICIDE APPLICATION - (Abstract Only) - (04-Feb-99)

DROPLET SHAPE OSCILLATIONS: EFFECTS ON SPRAY IMPACTION AND RETENTION AND FOURIER ANALYSIS OF THEIR NATURAL FREQUENCIES - (Peer Reviewed Journal) - (14-Jan-99)

STUDIES OF SPRAY DROPLET-LEAF INTERACTIONS, INCLUDING EFFECTS OF SURFACTANTS - (Abstract Only) - (17-Dec-98)

DRIFT MEASUREMENT: METHODS AND TECHNIQUES - (Abstract Only) - (17-Dec-98)

METHODS AND TECHNIQUES IN DETERMINING SPRAY QUALITY - (Abstract Only) - (17-Dec-98)

METHODS OF DRIFT CONTROL - (Abstract Only) - (17-Dec-98)

REVIEW OF PESTICIDE APPLICATION RESEARCH IN OHIO AND THE U.S. - (Abstract Only) - (17-Dec-98)

AIR-BLAST SPRAYER FUNDAMENTALS - (Proceedings) - (04-Nov-98)

THE REICHARD SPRAY DEPOSIT ANALYZER, A TOOL FOR MEASURING SPRAY DEPOSIT BY MEASURING CONDUCTIVITY - (Abstract Only) - (24-Aug-98)

HYDRAULIC AGITATION IN AGROCHEMICAL SPRAYER TANKS - (Proceedings) - (24-Aug-98)

EVALUATION OF SPRAY COVERAGE AND CANOPY PENETRATION IN NURSERIES - (Abstract Only) - (05-Aug-98)

EVALUATION OF PNEUMATIC SHIELDED SPRAYING SYSTEM USING SIMULATION - (Proceedings) - (12-Jul-98)

EXPERIMENTAL AND SIMULATION STUDY OF HYDRAULIC AGITATION IN AGROCHEMICAL SPRAYER TANKS - (Proceedings) - (12-Jul-98)

NEAR-ROW FATE OF AIR CURTAIN AND ORCHARD SPRAYER NURSERY CROP APPLICATIONS - (Proceedings) - (12-Jul-98)

AIR-BLAST/AIR-ASSISTED APPLICATION EQUIPMENT AND DRIFT - (Proceedings) - (30-Mar-98)

REVIEW OF PESTICIDE APPLICATION RESEARCH IN OHIO - (Proceedings) - (30-Mar-98)

SPRAY DEPOSITION AND COVERAGE ON RED MAPLE IN A NURSERY - (Proceedings) - (10-Mar-98)

REDUCING TIME DELAY FOR INJECTION SPRAYERS - (Peer Reviewed Journal) - (09-Mar-98)

MIXTURE UNIFORMITY IN SUPPLY LINES AND SPRAY PATTERNS OF A LABORATORY INJECTION SPRAYER - (Peer Reviewed Journal) - (12-Jan-98)

A SYSTEM TO DETERMINE LAG TIME AND MIXTURE UNIFORMITY FOR INLINE INJECTION SPRAYERS - (Peer Reviewed Journal) - (16-Sep-97)

TECHNIQUES FOR ASSESSING SPRAY DRIFT AND CANOPY PENETRATION - (Proceedings) - (12-Aug-97)

REDUCING METERING LAG AND NONUNIFORMITY FOR INJECTION SPRAYERS APPLYING HIGHLY VISCOUS FLUIDS - (Abstract Only) - (12-Aug-97)

EFFECTIVENESS OF TURBODROP AND TURBO TEEJET NOZZLES IN DRIFT REDUCTION - (Proceedings) - (10-Aug-97)

DYNAMIC SURFACE TENSION IN RELATION TO DROPLET IMPACTION INTERACTIONS WITH LEAF SURFACES. - (Abstract Only) - (07-Aug-97)

EFFECTS OF WIND VELOCITY OR DOWNWIND DEPOSIT FROM SPRAYING ORCHARDS - (Abstract Only) - (30-Jul-97)

DROPLET SIZE AND VISCOSITY EFFECTS IN RECIRCULATED POLYMER SPRAY SOLUTIONS - (Peer Reviewed Journal) - (20-Dec-96)

A LABORATORY SYSTEM TO EVALUATE EFFECTS OF SHEAR ON SPRAY DRIFT RETARDANTS - (Peer Reviewed Journal) - (21-Aug-96)

RECENT ADVANCES IN SPRAY TECHNOLOGY RESEARCH AT USDA ARS LABORATORIES IN WOOSTER, OH - (Abstract Only) - (15-Aug-96)

AIRBLAST SPRAY COVERAGE AND DRIFT MEASURED IN A NURSERY WITH ELECTRON BEAM AND CONDUCTIVITY ANALYSIS - (Abstract Only) - (30-Jul-96)

SPRAY DROPLET SIZE AND EXTENSIONAL VISCOSITY OF SHEARED POLYMER SOLUTIONS - (Abstract Only) - (22-May-96)

COLLECTION EFFICIENCY OF SPRAY DROPLETS IN TURBULENT AIR - (Abstract Only) - (13-Dec-95)

SPRAY DROPLET:PLANT SURFACE INTERACTION AND DEPOSIT FORMATION AS RELATED TOSURFACTANTS AND SPRAY VOLUME - (Proceedings) - (30-Aug-95)

COLLECTION EFFICIENCY OF SPRAY DROPLETS ON VERTICAL TARGETS - (Peer Reviewed Journal) - (21-Aug-95)

SPRAY DROPLET:PLANT SURFACE INTERACTION AND DEPOSIT FORMATION AS RELATED TOSURFACTANTS AND SPRAY VOLUME - (Abstract Only) - (15-May-95)

A MATHEMATICAL MODEL TO PREDICT THE WEAR RATE OF NOZZLES WITH ELLIPTICAL ORIFICES - (Peer Reviewed Journal) - (12-Apr-95)