IIRC, that farmer was played by the inimitable Alan Hale, Jr., aka the Skipper.
I didn’t recognize him, I’ll have to watch it again more closely
It’s funny how in the old shows, the same actors appeared in many different shows. I imagine they had a smaller pool to chose from
Actually, you are wrong. He shows up in Season 2 as the farmer who wants to marry Barney’s girlfriend.