Solar-Powered Mobile Barn Transforms Traditional Agriculture
Last August, Zack Smith welcomed a group of farmers, agriculture researchers, and investors to his mid-sized farm just south of the Iowa-Minnesota border for a field day. It was warm out, shorts weather, and around 35 people sat on straw bales listening as the young, fifth-generation farmer—who has gained a devoted audience through Twitter and YouTube and welcomes curious visitors to his farm every year—spoke about a critical turning point in his thinking. The shift took place nearly three years ago as Smith—who was working off the farm for a fertilizer company at the time—was talking with the Minnesota-based farmer Sheldon Stevermer. “Corn was $2.75, beans were $7.25. We’re small farmers who don’t have a lot of acres. [We were asking ourselves,] ‘Is it worth staying in business?’” Smith recalls. The two were exchanging ideas and Stevermer asked a third farmer, Lance Petersen, what he thought. “He bounced it off Lance and he said, ‘What about putting a pen of sheep in between the row...