Stephanie Karhoff
Educator, Agriculture and Natural Resources
Field Crop Diseases, Agronomy
OSU Extension Williams County

Stephanie has been the Extension Educator for Agriculture and Natural Resources in Williams County since April of 2019. Her areas of specialization are field crop diseases and applied on-farm research. Prior to working for Ohio State University Extension, Stephanie completed her Ph.D. at The Ohio State University, focusing on breeding for resistance to Phytophthora root and stem rot in soybean. Stephanie invites you to contact her with questions regarding any agriculture or natural resources topic at or 419-636-5608. You may also subscribe to the Williams County ANR weekly electronic newsletter at