Synthetic substances used in farming (O, not I) (13)
I believe the answer is:
agrochemicals
(Another definition for agrochemicals that I've seen is " those that defend veggies".)
I've seen this clue in The Times.
Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free.
Check out my app
or
learn more
about the Crossword Genius project.