Breadcrumb Ag Home Directory Frank Manthey Title Frank Manthey Position Professor Extension Leadership Team Part time Email frank.manthey@ndsu.edu Offices Plant Sciences Mailing address: NDSU Dept 7670, PO Box 6050 Fargo, ND 58108-6050 Physical address: Harris 133, NDSU Fargo, ND 58102 Phone 701-231-6356 ID