https://wapo.st/corona-simulator This link is courtesy of R.L. Bob Nielsen Extension Corn Specialist & Professor of Agronomy--Agronomy Dept @ Purdue University
Here is the new "Corn Drydown Calculator" published by Iowa State. https://crops.extension.iastate.edu/blog/mark-licht-sotirios-archontoulis/corn-dry-down-calculator-goes-live
Here is a great article to help you decide when to switch hybrids. https://www.agry.purdue.edu/ext/corn/news/timeless/HybridMaturityDelayedPlant.html Also use your Advantage Acre program
Here is an interesting you tube video by Marion Calmer-farmer and inventor from western Illinois https://www.youtube.com/watch?v=BroeAtT4q2c&feature=em-uploademail
Here is a great article to read and think about this spring planting season. https://cropwatch.unl.edu/2019/wait-better-conditions-heading-out-wet-soils
Here is a great article just published by Integrated Crop Management News, and Iowa State University Extension and Outreach https://crops.extension.iastate.edu/cropnews/2019/03/planting-seedling-diseases-and-low-germination-rate