Usage patterns
〈人〉が農場で働くfor someone to work at a farm
農場を経営するto run/manage a farm
My grandfather runs a small farm.
農場で〈物〉を育てるto raise/grow something on a farm
This farm grows organic vegetables.
〈場所〉に農場があるthere is a farm in (a place)
There is a large farm in this area.