The Ohio State University
Ohio State University Extension
Corn, Soybean, Wheat and Alfalfa Field Guide, Bulletin 827.Looking for a handy guide to take to the field to diagnosis various pest and production problems? This guide is the answer and is new for 2014!
Ohio, Indiana and Illinois Weed Control Guide, Bulletin 789. Publication gives detailed guidance on weed control selections.
Ohio Agronomy Guide 15th Edition, Bulletin 472. The newly revised Ohio Agronomy Guide serves as the official compilation of adaptive results and recommendations from research and educational programs.