Dr. Peter Ako Larbi

Assistant Cooperative Extension Specialist
Kearney Agricultural Research & Extension Center
9240 S. Riverbend Ave.
Parlier, CA 93648
559-646-6577
palarbi@ucanr.edu Create VCard

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Biological & Agricultural Engineering

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Biography

Dr. Peter Ako Larbi is an Assistant Cooperative Extension Specialist in Agricultural Application Engineering with the University of California Agriculture and Natural Resources (UC ANR; 2018-present) and an affiliated faculty member of the Department of Biological and Agricultural Engineering at UC-Davis (2019-present). He is the principal investigator and director of the Agricultural Application Engineering Program headquartered at the Kearney Agricultural Research and Extension Center. He provides regional leadership in agricultural engineering extension and applied research with a focus on spray application engineering. Dr. Larbi’s research focuses on developing, evaluating, and deploying spray application technologies, techniques, and decision support systems, aimed at improving agricultural productivity while reducing the impact of pesticides and other agricultural chemicals on the environment. His extension efforts seek to promote best practices for safe, economical, and environmentally sound pesticide spray application. His other research interests include precision agriculture, machinery systems, remote sensing, and sensor technology. He has to his credit several publications and presentations, and a U.S. patent.

Prior to joining UC, Dr. Larbi was an Assistant Professor of Agricultural Systems Technology at Arkansas State University with a joint appointment in the Division of Agriculture at University of Arkansas (2014-2018). He also held postdoctoral researcher positions at the Washington State University Center for Precision and Automated Agricultural Systems (2012-2014) and the University of Florida Citrus Research and Education Center (2011-2012). Dr. Larbi earned his Ph.D. in agricultural and biological engineering from the University of Florida, and a M.Sc. and a B.Sc. in agricultural engineering from the Kwame Nkrumah University of Science and Technology in Kumasi, Ghana.

Education

Ph.D. Agricultural and Biological Engineering, University of Florida. 2011
M.Sc. Agricultural Engineering, Kwame Nkrumah University of Science and Technology. 2007
B.Sc. Agricultural Engineering, Kwame Nkrumah University of Science and Technology. 2003

Awards

  • IPM Achievement Award
    Presented by California Department Pesticide Regulation,  2020
  • Outstanding Graduate Faculty Mentor Award
    Presented by Graduate Student Council, Arkansas State University,  2018
  • Professor of the Month for February 2017
    Presented by Arkansas State University,  2017
  • Young Engineer of the Year Award
    Presented by American Society of Agricultural and Biological Engineers, Arkansas Section,  2017
  • Mondialogo Engineering Award
    Presented by United Nations Education Science and Cultural Organization, in partnership with DaimlerChrysler,  2005
  • Special Jury Recognition Award
    Presented by United Nations Education Science and Cultural Organization, in partnership with DaimlerChrysler,  2005

Discipline

Biological and Agricultural Engineering

Specialty

Agricultural Application Engineering/Spray Application Engineering

Areas of Expertise (click to see all ANR academics with this expertise)

Bibliography

Peer Reviewed

  • Larbi, P. A. (In Press). Chapter 15: Spray Application Principles and Techniques for Olives. In: Olive Oil Production Manual. UC ANR Publication. University of California.
  • Larbi, Peter A. (2022). Configuration and Assessment of a Submersible Fluorometer for Evaluating Fluorescent Dye Deposition. Journal of Testing and Evaluation. 50:3.
  • Vong, C. N.; Larbi, P. A. (2021). Development and prototype testing of an agricultural nozzle clog detection device. Transactions of the ASABE. 64:1, 49-61.
  • Pourreza, Alireza; Moghimi, Ali; Niederholzer, Franz J.A.; Larbi, Peter A.; Zuniga-Ramirez, German; Cheung, Kyle H.; Khorsandi, Farzaneh (2020). Spray Backstop: A Method to Reduce Orchard Spray Drift Without Limiting the Spray and Air Delivery. Sustainability 2020. 12:8862.
  • Larbi, P. A.; Larbi, D. A. (2018). Adopting Microsoft Excel for Biomedical Signal and Image Processing. Computer Methods and Programs in Biomedical Signal and Image Processing.L. Wang. Book Chapter. https://www.intechopen.com/online-first/adopting-microsoft-excel-for-biomedical-signal-and-image-processing
  • Larbi, P. A. (2018). Advancing Microsoft Excel's potential for teaching digital image processing and analysis. Applied Engineering in Agriculture. 34:2, 263-276.
  • Larbi, P. A.; Green, S. (2018). Time series analysis of soybean response to varying atmospheric conditions for precision agriculture. Precision Agriculture. 2018, pp 1-14.
  • Zhou, J.; He, L.; Whiting, M.; Amatya, S.; Larbi, P. A.; Karkee, M.; Zhang, Q. (2016). Field evaluation of a mechanical-assist cherry harvesting system. Engineering in Agriculture, Environment and Food. 9:4, 324–331.
  • Larbi, P. A. (2016). RGBExcel: An RGB image data extractor and exporter for excel processing. Signal and Image Processing: An International Journal. 7:1, 1-9.
  • Larbi, P. A.; Vong, C. N., Karkee, M. (2015). A study of operator performance for a mechanical sweet cherry harvester: Comparison between manual and remote-controlled operation. Journal of Agricultural Safety and Health. 21:3, 145-157.

  • Larbi, P. A. (2015). Modification and field evaluation of an experimental sweet cherry harvester. Applied Engineering in Agriculture. 31:3, 387-397.
  • Larbi, P. A.; Karkee, M. (2014). Effects of orchard characteristics and operator performance on harvesting rate of a mechanical sweet cherry harvester. GSTF Journal on Agricultural Engineering. 1:1, 11.
  • Larbi, P. A.; Salyani, M. (2013). Discretization for a spray deposition model: Criteria for temporal and spatial differencing. Computers and Electronics in Agriculture. 97, 35-39.
  • Larbi, P. A.; Ehsani, R.; Salyani, M.; Maja, J. M.; Mishra, A. R.; Camargo Neto, J. (2013). Multispectral based leaf detection system for spot sprayer application to control citrus psyllids. Biosystems Engineering. 116:4, 509-517.
  • Khot, L. R.; Ehsani, R.; Albrigo, G.; Larbi, P. A.; Landers, A.; Campoy, J.; Wellington, C. (2012). Air-assisted sprayer adapted for precision horticulture: Spray patterns and deposition assessments in small-sized citrus canopies. Biosystems Engineering. 113:1, 76-85.
  • Larbi, P. A.; Salyani, M. (2012). CitrusSprayEx: An expert system for planning citrus spray applications. Computers and Electronics in Agriculture. 87, 85-93.
  • Larbi, P. A.; Salyani, M. (2012). Model to predict spray deposition in citrus airblast sprayer applications - Part 1: Spray Dispersion. Transactions of the ASABE. 55:1, 29-39.
  • Larbi, P. A.; Salyani, M. (2012). Model to predict spray deposition in citrus airblast sprayer applications - Part 2: Spray deposition. Transactions of the ASABE. 55:1, 41-48.
  • Khot, L. R.; Ehsani, R.; Landers, J.; Albgrigo, G.; Larbi, P. A. (2012). Spray pattern investigation of an axial-fan airblast precision sprayer using a modified vertical patternator. Applied Engineering in Agriculture. 28:5, 647-654.
  • Khot, L. R.; Salyani, M.; Farooq, M.; Walker, T. W.; Sweeb, R. D.; Smith, V.; Pomolis, R.; Stoops, C.A.; Larbi, P. A. (2011). Assessment of aerosol deposition and movement in open field conditions. Agricultural Engineering International: CIGR Journal. 13:3.

Non-Peer Reviewed

  • Larbi, P. A. (2022). Eighth Quarterly Progress Report on “Dissemination and Training for Citrus Spray Application Expert System Adoption in California”. A report submitted to the California Department of Pesticide Regulation.
  • Larbi, P. A. (2022). Final Research Report on “Integrating Almond Data into ongoing Development of Airblast Spray Deposition and Drift”. A project report submitted to the Almond Board of California.
  • Larbi, P. A. (2022). Final Research Report on “Spray Drift Study in Orchard/Vineyard to Support Orchard Airblast Drift Modeling Effort”. A project report submitted to the Almond Board of California.
  • Larbi, P. A. (2021). 2019-2020 Annual Research Report on “Integrating Almond Data into ongoing Development of Airblast Spray Deposition and Drift”. A project report submitted to the Almond Board of California.
  • Larbi, P. A. (2021). 2019-2020 Annual Research Report on “Spray Drift Study in Orchard/Vineyard to Support Orchard Airblast Drift Modeling Effort”. A project report submitted to the Almond Board of California.
  • Larbi, P. A. (2021). 2020-2021 Annual Report on "Spray Drift Study in Citrus to Support Orchard and Vineyard Airblast Drift Modeling Effort". A project report submitted to the Citrus Research Board.
  • Larbi, P. A. (2021). 2020-2021 Annual Report on "Spray Drift Study in Grapes to Support Orchard and Vineyard Airblast Drift Modeling Effort". A report submitted to the California Table Grape Commission, Washington State Wine Commission, and E. & J. Winery.
  • Vong, C. N.; Larbi, P. A. (2021). Development and Prototype Testing of an Agricultural Nozzle Clog Detection Device. Transactions of the ASABE, 64(1). American Society of Agricultural and Biological Engineers.
  • Larbi, P. A.; Basulto, C.; Douhan, G. W.; Thistle, H. W.; Willett, M. (2021). Drift measurement from citrus airblast spray application for Estimating Pesticide Exposure values (Scientific Poster Abstract). In: Proceedings of the 2021 California Citrus Conference:29.
  • Larbi, P. A. (2021). Fifth Quarterly Progress Report on “Dissemination and Training for Citrus Spray Application Expert System Adoption in California”. A report submitted to the California Department of Pesticide Regulation.
  • Larbi, P. A. (2021). Final Report on "Spray Drift Study in Grapes to Support Orchard and Vineyard Airblast Drift Modeling Effort". A report submitted to the California Table Grape Commission, Washington State Wine Commission, and E. & J. Winery.
  • Larbi, P. A. (2021). Fourth Quarterly Progress Report on “Dissemination and Training for Citrus Spray Application Expert System Adoption in California”. A report submitted to the California Department of Pesticide Regulation.
  • Larbi, P. A. (2021). July Progress Report FY 2020-2021 on "Spray Drift Study in Citrus to Support Orchard and Vineyard Airblast Drift Modeling Effort". A report submitted to the Citrus Research Board.
  • Basulto, C.; Larbi, P. A. (2021). Meterological instrumentation in support of citrus spray drift data collection (Scientific Poster Abstract). In: Proceedings of the 2021 California Citrus Conference:29.
  • Larbi, P. A. (2021). Minimizing Herbicide Drift with Surfactants. In: Proceedings of the 73rd Annual Conference of The California Weed Science Society:17.
  • Larbi, P. A. (2021). Prospects of Autonomous Spraying. In: Book of Abstracts of California Plant and Soil Conference.
  • Larbi, P. A. (2021). Second Annual Report on “Dissemination and Training for Citrus Spray Application Expert System Adoption in California”. A report submitted to the California Department of Pesticide Regulation.
  • Larbi, P. A. (2021). Seventh Quarterly Progress Report on “Dissemination and Training for Citrus Spray Application Expert System Adoption in California”. A report submitted to the California Department of Pesticide Regulation.
  • Larbi, P. A. (2020). 2019 Research Update on “Integrating Almond Data into ongoing Development of Airblast Spray Deposition and Drift”. A project report submitted to the Almond Board of California.
  • Larbi, P. A. (2020). 2019 Research Update on “Spray Drift Study in Orchard/Vineyard to Support Orchard Airblast Drift Modeling Effort”. A project report submitted to the Almond Board of California.
  • Larbi, P. A. (2020). An Indirect Method for Estimating Leaf Area Density Using Dimensional Similarity. ASABE Paper No. 2001195. St. Joseph, MI.: ASABE
  • Larbi, P. A. (2020). First Annual Report on “Dissemination and Training for Citrus Spray Application Expert System Adoption in California”. A report submitted to the California Department of Pesticide Regulation.
  • Larbi, P.A. (2020). First Quarterly Progress Report on “Dissemination and Training for Citrus Spray Application Expert System Adoption in California”. A project report submitted to the California Department of Pesticide Regulation.
  • Larbi, P. A. (2020). March Progress Report FY 2020-2021 on "Spray Drift Study in Citrus to Support Orchard and Vineyard Airblast Drift Modeling Effort". A project report submitted to the Citrus Research Board.
  • Larbi, P. A. (2020). Spray Calibration and Coverage: The Basics of Spray Application. Progressive Crop Consultant Magazine. April 14, 2020.
  • Larbi, P. A. (2020). Targeting the Target: How to Increase Effectiveness of Spray Application in Grapes. In: Viticulture Research Presentation Summaries. California Table Grape Seminar. California Table Grape Commission.
  • Larbi, P. A. (2020). Third Quarterly Progress Report on “Dissemination and Training for Citrus Spray Application Expert System Adoption in California”. A report submitted to the California Department of Pesticide Regulation.
  • Larbi, P. A.; Niederholzer, F. (2019). Analysis of Advanced Airblast Sprayer Systems for Tree Crop Production. ASABE Paper No. 1900985. St. Joseph, MI: ASABE
  • Larbi, P. A. (2018). Advancing Microsoft Excel's Potential for Teaching Digital Image Processing and Analysis. Applied Engineering in Agriculture, 34(2). American Society of Agricultural and Biological Engineers.
  • Larbi, P. A. (2018). Final report on “Development/application of precision agriculture techniques/technologies to improve productivity”. A project report to the NIFA.
  • Vong, C. N.; Larbi, P. A. (2017). Development and Preliminary Prototype Testing of an Agricultural Nozzle Clog Detection Device. 2017 ASABE Annual International Meeting. American Society of Agricultural and Biological Engineers.
  • Vong, C. N.; Larbi, P. A. (2017). Development and Preliminary Prototype Testing of an Agricultural Nozzle Clog Detection Device. ASABE Paper No. 1700281. St. Joseph, MI.: ASABE
  • Larbi, P. A.; Vong, C. N.; Green, S. (2017). Exploring spectral responses of different cover crops potentially beneficial to farmers in Northeast Arkansas and the Delta Region. ASABE Paper No. 1700350. St. Joseph, MI: ASABE
  • Larbi, P. A.; Marbaniang, C. D.; Bade, K.; Vong, C. N. (2017). Verification of Temperature Sensor Readings Obtained from Game and Trail Cameras Used for Crop Monitoring. 2017 ASABE Annual International Meeting. American Society of Agricultural and Biological Engineers.
  • Larbi, P. A.; Marbaniang, C. D.; Bade, K.; Vong, C. N. (2017). Verification of Temperature Sensor Readings Obtained from Game and Trail Cameras Used for Crop Monitoring. ASABE Paper No. 1700231. St. Joseph, MI.: ASABE
  • Larbi, P. A. (2016). Advancing Microsoft Excel's Potential for Low-Cost Digital Image Processing and Analysis. 2016 ASABE Annual International Meeting. American Society of Agricultural and Biological Engineers.
  • Larbi, P. A. (2016). Advancing Microsoft Excel's Potential for Low-Cost Digital Image Processing and Analysis. ASABE Paper No. 162455503. St. Joseph, MI.: ASABE
  • Vong, C. N.; Larbi, P. A. (2016). Comparison of Image Data Obtained with Different Commercial Cameras for Use in Visible Spectroscopy. 2016 ASABE Annual International Meeting. American Society of Agricultural and Biological Engineers.
  • Vong, C. N.; Larbi, P. A. (2016). Comparison of Image Data Obtained with Different Commercial Cameras for Use in Visible Spectroscopy. ASABE Paper No. 162455510. St. Joseph, MI.: ASABE
  • Larbi, P. A. (2016). RGB2X: An RGB Image Data Extract-Export Tool for Digital Image Processing and Analysis in Microsoft Excel. 2016 ASABE Annual International Meeting. American Society of Agricultural and Biological Engineers.
  • Larbi, P. A. (2016). RGB2X: An RGB Image Data Extract-Export Tool for Digital Image Processing and Analysis in Microsoft Excel. ASABE Paper No. 162460787. St. Joseph, MI.: ASABE
  • Larbi, P. A.; Green, S. (2016). Time Series Study of Soybean Response Based on Adjusted Green Red Index. 13th International Conference on Precision Agriculture. International Society of Precision Agriculture.
  • Larbi, P. A.; Green, S. (2016). Time series study of soybean response based on adjusted green red index (AGRI). In 13th International Conference on Precision Agriculture, Paper No. 2162.
  • Larbi, P. A.; Vong, C. N., Karkee, M. (2015). A Study of Operator Performance for a Mechanical Sweet Cherry Harvester: Comparison between Manual and Remote-Controlled Operation. Journal of Agricultural Safety and Health 21(3). American Society of Agricultural and Biological Engineers.

  • Larbi, P. A. (2015). An Update on an Airblast Spray Dispersion Model. 2015 ASABE Annual International Meeting. American Society of Agricultural and Biological Engineers.
  • Larbi, P. A. (2015). An Update on an Airblast Spray Dispersion Model. ASABE Paper No. 152187337. St. Joseph, MI.: ASABE
  • Larbi, P. A. (2015). An Update on an Airblast Spray Dispersion Model. 2015 ASABE Annual International Meeting. American Society of Agricultural and Biological Engineers.
  • Larbi, P. A.; Karkee, M.; Amatya, S.; Zhang, Q.; Whiting, M. D. (2015). Modification and Field Evaluation of an Experimental Mechanical Sweet Cherry Harvester. Applied Engineering in Agriculture. 31(3). American Society of Agricultural and Biological Engineers.
  • Larbi, P. A. (2015). Variable-rate application and swath control technology. Resource Magazine. American Society of Agricultural and Biological Engineers.
  • Larbi, P. A. (2015). Variable-rate application and swath control technology. Resource Magazine. 22:4, 10-11.
  • Zhou, J.; Zhang, Q., et al. (2014). Effect of tree architecture on mechanical harvesting rate for sweet cherry. In XXIX International Horticultural Congress: IHC2014. Brisbane, Australia

  • Larbi, P. A.; Karkee, M.; Amatya, S.; Zhang, Q.; Whiting, M. D. (2014). Field Evaluation of a Modified Mechanical Sweet Cherry Harvester. 2014 ASABE and CSBE/SCGAB Annual International Meeting. American Society of Agricultural and Biological Engineers.
  • Larbi, P. A.; Karkee, M.; Amatya, S.; Zhang, Q.; Whiting, M. D. (2014). Field Evaluation of a Modified Mechanical Sweet Cherry Harvester. ASABE Paper number 141896871. St. Joseph, MI.: ASABE
  • Larbi, P. A.; Karkee, M.; Amatya, S.; Zhang, Q.; Whiting, M. D. (2013). Assessment of a Prototype Sweet Cherry Harvester. 2013 ASABE Annual International Meeting. American Society of Agricultural and Biological Engineers.
  • Larbi, P. A.; Karkee, M.; Amatya, S.; Zhang, Q.; Whiting, M. D. (2013). Assessment of a Prototype Sweet Cherry Harvester. ASABE Paper number 131618476. St. Joseph, MI.: ASABE
  • Larbi, P. A.; Amatya, S., Karkee, M. (2013). Characterizing the Response of a Hyperspectral Camera Used in Close Range Imaging under Laboratory Conditions. 2013 ASABE Annual International Meeting. American Society of Agricultural and Biological Engineers. 

  • Larbi, P. A.; Amatya, S., Karkee, M. (2013). Characterizing the Response of a Hyperspectral Camera Used in Close Range Imaging under Laboratory Conditions. ASABE Paper number 131594789. St. Joseph, MI.: ASABE.

  • Salyani, M.; & Larbi, P. A. (2013). Model to predict spray deposition in citrus orchard applications. In SuProFruit-2013: Spray Application techniques in Fruit Growing.
  • Amatya, S.; Karkee, M.; Alva, A. K.; Larbi, P.A.; Adhikari, B. (2012). Hyperspectral Imaging for Detecting Water Stress in Potatoes. ASABE Paper number 121345197. St. Joseph, MI.: ASABE
  • Amatya, S.; Karkee, M.; Alva, A. K.; Larbi, P.A.; Adhikari, B. (2012). Hyperspectral Imaging for Detecting Water Stress in Potatoes. 2012 ASABE Annual International Meeting. American Society of Agricultural and Biological Engineers.
  • Larbi, P. A.; Salyani, M. (2012). Model to Predict Spray Deposition in Citrus Airblast Sprayer Applications: Part 2. Spray Deposition. Transactions of the ASABE. 55(1). American Society of Agricultural and Biological Engineers.
  • Larbi, P. A.; Salyani, M. (2012). Model to Predict Spray Deposition in Citrus Airblast Sprayer Applications: Part 2. Spray Deposition. American Society of Agricultural and Biological Engineers.
  • Khot, L. R.; Ehsani, R.; Albrigo, G.; Landers, A. J.; Larbi, P. A. (2012). Spray Pattern Investigation of an Axial-Fan Airblast Precision Sprayer Using a Modified Vertical Patternator. Applied Engineering in Agriculture. 28(3). American Society of Agricultural and Biological Engineers.
  • Larbi, P. A.; Ehsani, R.; Salyani, M.; Maja, J. M.; Mishra, A. R.; Camargo Neto, J. (2012). Young leaf detection for spot spray treatment of citrus canopies to control psyllids. In International Conference on Precision Agriculture, Paper No. 1210. International Society of Precision Agriculture.
  • Ehsani, R.; Salyani, M.; Maja, J. M.; Mishra, A. R.; Larbi, P. A.; Camargo Neto, J. (2012). Young leaf detection for spot spray treatment of citrus canopies to control psyllids. International Society of Precision Agriculture.
  • Khot, L. R.; Salyani, M.; Farooq, M.; Walker, T. W.; Sweeb, R. D.; Smith, V.; Pomolis, R.; Stoops, C.A.; Larbi, P. A. (2011). Assessment of aerosol deposition and movement in open field conditions. CIGR Journal, 13(3). Agricultural Engineering International.
  • Larbi, P. A.; Salyani, M. (2011). Model to Predict Spray Deposition in Citrus Airblast Sprayer Applications: Part 1. Spray Dispersion. Transactions of the ASABE. 55(1). American Society of Agricultural and Biological Engineers.
  • Larbi, P. A.; Salyani, M. (2010). Development of an Expert System for Citrus Spray Applications. ASABE Section Meeting Paper number FL10-124. St. Joseph, MI.: ASABE
  • Larbi, P. A.; Salyani, M. (2010). Development of an Expert System for Citrus Spray Applications. 2010 Florida Section ASABE Annual Conference and Trade Show. American Society of Agricultural and Biological Engineers.
  • Larbi, P. A.; Salyani, M. (2010). Spray Model to Predict Deposition in Air-Carrier Sprayer Applications. ASABE Paper number 1008319. St. Joseph, MI.: ASABE
  • Larbi, P. A.; Salyani, M. (2010). Spray Model to Predict Deposition in Air-Carrier Sprayer Applications. 2010 ASABE Annual International Meeting. American Society of Agricultural and Biological Engineers.
  • Akowuah, J. O.; Dzisi, K. A.; Addo, A.; Aveyire, J.; Larbi, P. A. (2006). Modification of a large-scale palm fruit cage for local manufacture. In Proc. 3rd Ghana Society of Agricultural Engineers (GSAE) National Conference.
  • Larbi, P. A.; Dzisi, K. A.; Oti-Boateng, P.; Akowuah, J. O. (2006). Modification of a large-scale palm fruit stripper for local manufacture. In Proc. 3rd Ghana Society of Agricultural Engineers (GSAE) National Conference. Theme:

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