Farm Credit Services of America is the best place to secure a agricultural loan. Most bank and credit unions will not touch agricultural ventures but that is all these guys do. It s where I got the mortgage for my farm
Instead of actually starting a business, you could hold onto the land, wait for it to appreciate, and then sell it for a profit at a later time. To offset the taxes you can get money from federal grants for NOT growing food. The government subsidizes this to keep food prices higher.