… SDSU Southeast Research Farm Upcoming Events: Summer field day; July 11, 2023. Forage field day; Aug. 7, 2023. High school field day; Sept. 13, 2023. Fall field day; Sept. 14, 2023. About Southeast Research Farm Around 1955, a group of progressive farmers began efforts to create an association that would be concerned with agricultural research in southeast South Dakota. On May 3, 1956, a non-profit organization, the Southeast Experiment Farm Corporation, was formed. The purpose of the corporation was to acquire and disseminate information concerning crop …