I interviewed Brian both about his work flying the UAS for plant health measurement and his work on the intelligent sprayer project, which is bringing precision agriculture to tree crops in the Willamette Valley. The segment on the intelligent sprayer begins about 40 minutes in.
Brian references a recent paper by another research group working on the intelligent sprayer. It’s available open access, so save the citation or read for free at the link below:
Nackley, Warneke, B., Fessler, L., Pscheidt, J. W., Lockwood, D., Wright, W. C., Sun, X., & Fulcher, A. (2021). Variable-rate Spray Technology Optimizes Pesticide Application by Adjusting for Seasonal Shifts in Deciduous Perennial Crops. HortTechnology (Alexandria, Va.), 31(4), 479–489. https://doi.org/10.21273/HORTTECH04794-21
You can email Brian through this form.