What you just quoted says you can't do so, legally.
The squirrels are just doing what squirrels do...feeding themselves.
Get yourself some small firecrackers..just toss a couple out when
you see the squirrels.
If you have to kill them, rat traps can be insufficient for killing a squirrel,
the suggestion of a #110 conibear is much better. If you're going to
kill an animal,
then kill it cleanly. No reason for any animal to suffer
just for doing what comes naturally.
If it were me, I'd let the squirrels eat the veggies, which will make them
fat and tasty. Then, come October I'd be hunting/trapping them after hitting
up Duckshot for some recipes.
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