soil fertility



Soybean field (Photo courtesy of United Soybean Board)
The center pivot irrigation system at the Oklahoma State University McCaull Research and Demonstration Farm will be one of the topics discussed at this year’s Panhandle Crops & Forages Field Day in Eva. The Aug. 31 event kicks off the fall field day events with topics like sorghum varieties, nitrogen management, soil moisture monitoring and managing spider mites in corn. (Photo by Todd Johnson, OSU Agriculture.)