Weed-Control Machines - Four Corners Farm, Newbury, VT - University of Vermont Extension 2005 - - University of Vermont Center for Sustainable Agriculture. uvm.edu/~susagctr/ Uploaded with permission. Noncommercial use only. Bob Gray, Four Corners Farm, Newbury VT * Custom cultivator for plastic * Rolling cultivator * Finger weeder. Vegetable Farmers and their Weed-Control Machines. A 75-minute educational video on weed cultivation and flaming equipment, featuring 9 farms in 3 northeastern states. Produced by: Vern Grubinger, University of Vermont Extension, Mary Jane Else, University of Massachusetts Extension. With funding from: Northeast Sustainable Agriculture Research and Education (SARE), USDA.