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.
I have only received one weed-related farm call in my two seasons as the vegetable crop advisor in Colusa, Sutter and Yuba counties. In early August 2017, one of the melon PCAs I work with called me up to tell me about a grassy weed in a fresh-market honeydew field.
Waterhyacinth (Eichhornia crassipes) is a floating perennial species that has become a serious management issue as it invades aquatic ecosystems around the world.