- PSE 105: Principles of Sustainable Agriculture
- PSE 203: Weed Biology and Identification
- PSE 216: UMaine Greens Practicum
- PSE 403: Weed Ecology and Management
Below, Gene Ripley discusses equipment with PSE 403 students, and following the hour-long farm tour, the group joins in for an hour of potato harvesting (Fall, 2017).