Will's Windmill Column: Sprayer pressure gauges must be accurate
There are many things that affect the end result (efficacy) from a pesticide application. The most obvious ones are: careful scouting (knowing exactly what the problem is); selecting the best pesticide to take care of the problem; applying the right amount of pesticide per acre uniformly on the target; keeping as much of the pesticide applied as possible in the intended area of application; weather conditions during the application; and timing of application.
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