Welcome to the Soil Fertility Lab's website. Our work focuses on determining timely and efficient use of fertilizers, developing farmer-friendly soil health tests, and understanding how long-term management strategies can build organic matter and soil productivity. We engage and work collaboratively with farmers, crop consultants, and educators on a wide variety of soil fertility and management issues.


  1. Updated Tri-State Fertilizer Recommendations Now Available

    Dec 9, 2020

    Updated Tri-State Fertilizer Recommendations Now Available
    Steve Culman, Anthony Fulford, James Camberato, Kurt Steinke, Laura Lindsey, Greg LaBarge, Harold Watters, Ed Lentz, Ryan Haden, Eric Richer, Bethany Herman, Nicole Hoekstra, Peter Thomison, Rich Minyo, Anne Dorrance, Jeff Rutan, Darryl Warncke, Cassandra Brown

  2. How do we collectively conceptualize “soil health” and how do we use that to guide meaningful research and extension?

    Dec 9, 2020

    How do you define "soil health"? How does that compare to others definitions? Former Culman lab PhD student and postdoc, Dr. Jordon Wade, and fellow OSU colleges sent out a survey to ask farmers and other researchers a few key questions:

  3. Welcome to Our New Graduate Students: Theresa and Louceline!

    Jun 15, 2020

    Welcome to our two new graduate students for fall of 2020!

    Theresa will be persuing her Master's degree and Louceline will be working towards her Ph.D. A little bit about each student and was their research will be can be found below.