Brian Willsey, the founder of Hummingbird Kitchen(2175 State Highway ZZ, Owensville; 573-437-7575), can pinpoint the exact moment that validated his decision to get out of the corporate world and closer to the land."I never knew how entrenched farming could be in a human being until I plowed ground one day," Willsey explains. "I was plowing some land to make room for heritage grass I was getting ready to plant, the aroma of turned party just hit me at such a base level.…