Proper spray application is an easily overlooked and critically important aspect of integrated pest management. Lynn Wunderlich (UCCE Central Sierra) discusses some of the fundamentals of orchard air blast sprayer calibration and spray application.
None of the discussion of spray application constitutes a recommendation. You can find more information on spray application at the Canadian website: https://sprayers101.com/.
Thanks to the Pistachio Board of California and Almond Board of California for their generous financial support. Music by Muriel Gordon.