by David Doll, UCCE Pomology Farm Advisor (see also http://thealmonddoctor.com/) With the emergence of herbicide-resistant weed populations, several perennial nut crop spray programs incorporate the use of pre-emergent herbicides.
Glyphosate is one of the most widely used herbicides in the world and is extremely important in many of our orchard, vineyard, and annual crops as well as in non-crop and home situations.
Aerial drones are cool. But they can't do everything (just yet). Here are a couple tidbits of information you should consider if you are thinking about getting one (or more) to help you with your weed scouting or plan to use it for herbicide application.
