Application Technology Research Unit Site Logo
ARS Home About Us Helptop nav spacerContact Us En Espanoltop nav spacer
Printable VersionPrintable Version     E-mail this pageE-mail this page
Agricultural Research Service United States Department of Agriculture
Search
  Advanced Search
 

Richard C Derksen (Rich)
Application Technology Research Unit
Agricultural Engineer

Phone: (330) 263-3869
Fax: (330) 263-3953
Room 203
1680 MADISON AVE
WOOSTER, OH, 44691

Projects
CROP PROTECTION AND PRODUCTION STRATEGIES FOR HORTICULTURAL CROPS
Appropriated (D)
  Accession Number: 414933

Publications
Effects of Sprayer Configuration of Efficacy for the Control of Scab on Crabapple Using Electron Beam Analysis - (Peer Reviewed Journal)
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.
Application Technology Research for Asian Soybean Rust Management - (Other)
Derksen, R.C. 2008. Application Technology Research for Asian Soybean Rust Management. Plant Management Network. Available at: http://www.plantmanagementnetwork.org/edcenter/seminars/ApplicationTechnology.
Drip-Chemigation with Imidacloprid and Nematodes for Control of Scarab Larvae in Nursery Crops - (Peer Reviewed Journal)
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.
Determining the influence of spray quality, nozzle type, spray volume, and air-assisted application strategies on deposition of pesticides in soybean canopy - (Peer Reviewed Journal)
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
Influence of spray additives on droplet evaporation and residual patterns on wax and wax-free surfaces - (Proceedings/Symposium)
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.
Uniformity of agro-chemicals and bio-compounds applied through drip irrigation system - (Proceedings/Symposium)
Zhu, H., Wang, X., Reding, M.E., Locke, J.C., Leland, J.E., Spongberg, A.L., Derksen, R.C., Krause, C.R. 2008. Uniformity of agro-chemicals and bio-compounds applied through drip irrigation system. ASABE Annual International Meeting. Paper 084084.
Spacing Studies in Peppers - (Abstract)
Miller, S., Vitanza, S., Bennett, M., Derksen, R.C., Welty, C. 2007. Spacing Studies in Peppers. Meeting Proceedings. Great Lakes Fruit, Vegetable and Farm Market Expo, December 5-7, Grand Rapids, MI [Abstract]. p. 3.
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.
Comparing greenhouse handgun delivery to poinsettias by spray volume and quality - (Peer Reviewed Journal)
Derksen, R.C., Frantz, J., Ranger, C.M., Locke, J.C., Zhu, H., Krause, C.R. 2008. Comparing greenhouse handgun delivery to poinsettias by spray volume and quality. Transactions of the ASABE. 51(1)27-33.
Fungicide Application Technology - (Proceedings/Symposium)
Derksen, R.C., Ozkan, H.E., Zhu, H., Hammond, R., Dorrance, A. 2007. Fungicide Application Technology. National Soybean Rust Symposium.
Field Evaluation of Application Variables and Plant Spacing for Bell Pepper Pest Management - (Peer Reviewed Journal)
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.
Current projects of the Application Technology Research Unit - (Abstract)
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.
Influence of Spray Volume on Spray Deposition and Coverage Within Nursery Trees - (Peer Reviewed Journal)
Zhu, H., Zondag, R.H., Derksen, R.C., Reding, M.E., Krause, C.R. 2008. Influence of Spray Volume on Spray Deposition and Coverage Within Nursery Trees. Journal of Environmental Horticulture. 26(1):51-57.
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.
Investigation of Drainage and Plant Growth from Nursery Container Substrate - (Peer Reviewed Journal)
Zhu, H., Frantz, J., Derksen, R.C., Krause, C.R. 2007. Investigation of Drainage and Plant Growth from Nursery Container Substrate. Applied Engineering in Agriculture. 23(3):289-297.
The effect of spray volume and quality on handgun delivery of pesticides to greenhouse plants - (Proceedings/Symposium)
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.
Spray Characteristics and Drift Reduction Potential with Air Induction and Conventional Flat Fan Nozzles - (Peer Reviewed Journal)
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.
Effects of Pumping on Entomopathogenic Nematodes and Temperature Increase Within a Spray System - (Peer Reviewed Journal)
Fife, J.P., Ozkan, H.E., Derksen, R.C., Grewal, P.S. 2007. Effects of pumping on entomopathogenic nematodes and temperature increase within a spray system. Applied Engineering in Agriculture. 23(4):406-412.
Wide-swath Spray Application in Ornamental Nurseries with Cannon Air Jet Sprayer - (Proceedings/Symposium)
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.
Nozzle and Equipment Considerations for Improved Coverage in the Soybean Canopy: A Summary of the Work Done in Ohio - (Proceedings/Symposium)
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.
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 ASABE. 49(5):1285-1294.
Statistical Evaluation of Instruments Designed to Measure Volumetric Water Content of Soilless Container Media - (Peer Reviewed Journal)
Hansen, R.C., Christman, J.C., Derksen, R.C. 2006. Statistical evaluation of instruments designed to measure volumetric water content of soilless container media. Applied Engineering in Agriculture. 22(5):753-763.
Dynamic Air Velocity and Spray Deposition Inside Dense Nursery Crops with a Multi-Jet Air-Assist Sprayer - (Proceedings/Symposium)
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/Symposium)
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.
Spray Characteristics and Wind Tunnel Evaluation of Drift Reduction Potential with Air Induction and Conventional Flat Fan Nozzle - (Proceedings/Symposium)
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.
Foliar Deposition and off-Target Loss with Different Spray Techniques in Nursery Application - (Peer Reviewed Journal)
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.
New, Innovative Research in Pesticide Application Technologies - (Proceedings/Symposium)
Krause, C.R., Zhu, H., Derksen, R.C., Reding, M.E., Zondag, R.A., Frantz, J., Locke, J.C. 2006. New, innovative research in pesticide application technologies. International Crop Protection Compendium.
Wind Tunnel Evaluation of Drift Reduction Potential and Spray Characteristics with Drift Retardants at High Operating Pressure - (Peer Reviewed Journal)
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.
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.
Effect of Plant Stand Density and Pesticide Application Technology on Insect Pests and Diseases of Bell Peppers - (Abstract)
Vitanza, S., Welty, C., Derksen, R.C., Bennett, M., Miller, S. 2006. Effect of plant stand density and pesticide application technology on insect pests and diseases of bell peppers [Abstract]. In: Proceedings of the 5th National IPM Symposium, April 4-6, 2006, St. Louis, MO.
Evaluation of Spraying Equipment for Effective Deposition and Coverage to Control Asian Soybean Rust - (Abstract)
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.
Investigation of Nursery Canopy and Ground Deposition with Three Spray Techniques - (Proceedings/Symposium)
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.
Evaluation of Various Spraying Equipment for Effective Application of Fungicides to Control Asian Soybean Rust - (Proceedings/Symposium)
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.
Drip Irrigation As a Delivery System for Imidacloprid and Nematodes for Control of Scarab Grubs in Nursery Crops - (Abstract)
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.
Using Computational Fluid Dynamics to Predict Damage of a Biological Pesticide During Passage Through a Hydraulic Nozzle - (Peer Reviewed Journal)
Fife, J.P., Ozkan, H.E., Derksen, R.C., Grewal, P.S. 2006. Using computational fluid dynamics to predict damage of a biological pesticide during passage through a hydraulic nozzle. Biosystems Engineering. 94(3):387-396.
Effects of Air-Assisted and Conventional Spray Delivery Systems on Management of Soybean Diseases - (Proceedings/Symposium)
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.
Wind Tunnel Evaluation of Drift Reduction Potential with Air Induction Nozzles, Low Pressure Conventional Nozzles and Drift Retardants - (Abstract)
Guler, H., Zhu, H., Ozkan, H.E., Derksen, R.C., Krause, C.R. 2006. Wind tunnel evaluation of drift reduction potential with air induction nozzles, low pressure conventional nozzles and drift retardants [Abstract]. In: 26th Symposium on Pesticide Formulation and Delivery Systems: Reassessing Pesticide Technologies, October 18-20, 2005, Dallas, Texas. p. 30.
Comparison of Airborne and Ground Spray Deposits with Hollow Cone Nozzle, Low Drift Nozzle and Drift Retardant - (Proceedings/Symposium)
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.
Spray Deposition and off-Target Loss in Nursery Tree Crops with Conventional Nozzle, Air Induction Nozzle and Drift Retardant - (Proceedings/Symposium)
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.
Hit the Bull's Eye: Know Pest, Plant Canopy, and Pesticide to Boost Sprayer Efficiency in Vegetables - (Popular Publication)
Derksen, R.C., Muzzi, D. 2005. Hit the bull's eye: know pest, plant canopy, and pesticide to boost sprayer efficiency in vegetables. The Grower Magazine. p.22-24.
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.
Background Reflectance Compensation and Its Effect on Multispectral Leaf Surface Moisture Assessment - (Peer Reviewed Journal)
Ramalingam, N., Ling, P.P., Derksen, R.C. 2005. Background reflectance compensation and its effect on multispectral leaf surface moisture assessment. Transactions of the ASAE. 48(1):375-383.
Preliminary Investigation of Water and Nutrient Use, Substrate Temperature and Moisture in Pot-in-Pot Production - (Research Notes)
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.
Fluorescent Intensity of Solutions Containing Fluorescent Substances 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 solutions containing fluorescent substances under different ph conditions. American Society for Testing and Materials. 2(6):1-7.
Viability of a Biological Pest Control Agent Through Hydraulic Nozzles - (Peer Reviewed Journal)
Fife, J.P., Ozkan, H.E., Derksen, R.C., Grewal, P.S., Krause, C.R. 2005. Viability of a biological pest control agent through hydraulic nozzles. Transactions of the ASAE. 48(1):45-54.
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/Symposium)
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.
Driftsim -- a User-Friendly Computer Program to Predict Drift Distances of Droplets - (Proceedings/Symposium)
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.
Shopping for Sprayers: Take Spraying Capacity and Intended Use into Consideration When Purchasing a Sprayer - (Popular Publication)
Derksen, R.C., Gordon, R. 2004. Shopping for sprayers: take spraying capacity and intended use into consideration when purchasing a sprayer. American Vegetable Grower. 52(5):14-15.
Spray Deposition in Taxus and Air Velocity Profile for a Five-Port, Air-Assist Sprayer - (Proceedings/Symposium)
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/Symposium)
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.
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.
Detection and Quantification of Nursery Spray Penetration and off-Target Loss with Electron Bean 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 bean and conductivity analysis. Transactions of the ASAE. 47(2): 375-384.
A Geometric Model of Mortality and Crop Protection for Insects Feeding on Discrete Taxicant Deposits - (Peer Reviewed Journal)
Ebert, T.A., Derksen, R.C. 2004. A geometric model of mortality and crop protection for insects feeding on discrete taxicant deposits. Journal of Economic Entomology. 97(2):155-162.
Spray Penetration into Peanut Canopies with Hydraulic Nozzle Tips - (Peer Reviewed Journal)
Zhu, H., Dorner, J.W., Rowland, D., Derksen, R.C., Ozkan, H.E. 2004. Spray penetration into peanut canopies with hydraulic nozzle tips. Biosystems Engineering. 87:275-283.
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.
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 Application Alternatives - (Proceedings/Symposium)
Derksen, R.C. 2003. Pesticide application alternatives. Canadian Greenhouse Conference. Meeting Abstract.
Evaluation of a Contraction Flow Field on Hydrodynamic Damage to Entomopathogenic Nematodes - a Biological Pest Control Agent - (Proceedings/Symposium)
Fife, J.P., Derksen, R.C., Ozkan, H.E., Grewal, P.S., Chalmers, J.J., Krause, C.R. 2004. Evaluation of a contraction flow field on hydrodynamic damage to entomopathogenic nematodes - a biological pest control agent. Biotechnology and Bioengineering. 86(1):96-107.
Fungicide Applications in Greenhouses - (Abstract)
Derksen, R.C., Krause, C.R. 2003. Fungicide applications in greenhouses. Phytopathology. 93:5118.
Comparing Greenhouse Sprayers: the Dose-Transfer Process - (Peer Reviewed Journal)
Ebert, T.A., Derksen, R.C., Downer, R.A., Krause, C.R. 2003. Comparing Greenhouse Sprayers: The Dose-Transfer Process. Journal of Pesticide Science. 60:507-513.
Effect of Hydraulic Nozzles on the Viability of a Biological Pest Control Agent - (Proceedings/Symposium)
Fife, J.P., Derksen, R.C., Ozkan, H.E. 2003. Effect of hydraulic nozzles on the viability of a biological pest control agent. ASAE Annual International Meeting. Paper No. 031063.
Leaf Surface Wetness Detection Using Ground Based Multispectral Imaging - (Proceedings/Symposium)
Ramalingam, R., Ling, P.P., Derksen, R.C. 2003. Leaf surface wetness detection using ground based multispectral imaging. ASAE Annual International Meeting. Paper No. 033130.
Dynamic Segmentation for Automatic Spray Deposits Analysis on Uneven Leaf Surfaces - (Peer Reviewed Journal)
Ramalingam, N., Ling, P.P., Derksen, R.C. 2003. Dynamic segmentation for automatic spray deposits analysis on uneven leaf surfaces. Transactions of the ASAE. 46(3):893-900.
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.
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
Effects of Pressure Differentials on the Viability and Infectivity of Entomopathogenic Nematodes - (Peer Reviewed Journal)
Fife, J.P., Derksen, R.C., Ozkan, H.E., Grewal, P.S. 2003. Effects of pressure differentials on the viability and infectivity of entomopathogenic nematodes. Biological Control. 27:65-71.
Why Fungicides Fail - (Abstract)
Miller, S., Derksen, R.C., Riedel, R. 2002. Why fungicides fail. American Vegetable Grower. 50(9):12-13.
Influence of Plant Structure, Orifice Size and Nozzle Inclination on Spray Penetration into Peanut Canopy - (Peer Reviewed Journal) - (19-Aug-02)
Effect of Constricted Flow on the Viability of a Biological Pest Control Agent - (Proceedings/Symposium)
Fife, J.P., Derksen, R.C., Ozkan, H.E. 2002. Effect of constricted flow on the viability of a biological pest control agent. ASAE Annual International Meeting. Paper No. 021025.
Dynamic Segmentation for Automatic Spray Deposits Analysis on Uneven Leaf Surfaces - (Proceedings/Symposium)
Ramalingam, N., Ling, P.P., Derksen, R.C. 2002. Dynamic segmentation for automatic spray deposits analysis on uneven leaf surfaces. ASAE Annual International Meeting. Paper No. 023096.

   
 
Last Modified: 05/12/2009
ARS Home | USDA.gov | Site Map | Policies and Links 
FOIA | Accessibility Statement | Privacy Policy | Nondiscrimination Statement | Information Quality | USA.gov | White House