Do those soybean leaves have frogeye leaf spot or herbicide injury? Is that Palmer amaranth or common waterhemp growing near the field entrance? Are twospotted spider mites or soybean sudden death syndrome causing the yellow patches at the Peterson Farm?
Iowa State University
Sisson, Adam, "Crop Scouting Competition 2015: Open for Enrollment" (2015). Integrated Crop Management News. 324.
The Iowa State University Digital Repository provides access to Integrated Crop Management News for historical purposes only. Users are hereby notified that the content may be inaccurate, out of date, incomplete and/or may not meet the needs and requirements of the user. Users should make their own assessment of the information and whether it is suitable for their intended purpose. For current information on integrated crop management from Iowa State University Extension and Outreach, please visit https://crops.extension.iastate.edu/.