Robert Klein - Western Nebraska Crops Specialist
Uneven pressure throughout the sprayer boom can mean uneven application of pesticides. The first step in sprayer calibration is to determine that the spray pressure is equal throughout the spray boom.
In pesticide application, two important factors are pesticide efficacy and spray drift management. The goal is to achieve 100% pest control with 0% spray drift. As with most situations where you can’t control all the variables, achieving this goal is a tall order.
Also see Robert Klein's photo essay on an operation's effort to harvest downed corn and a related segment on YouTube from the November 2 Market Journal story with Rick Rasby.