Question

what is a root crop idiots?

Answer 1

..
Arrogant.....
Why are you saying others Idiots?
Noone would answer your question, of you would ask like this.

Answer 2

a crop that is a root vegetable or other root, e.g. sugar beet.

Answer 3

a crop that is a root vegetable or other root, e.g. sugar beet.