Here is an excellent article just posted by University of Illinois Researchers-Gary Schnitkey, Sarah Sellars, and Laura Gentry

Reposted by R.L.(Bob) Nielsen of Purdue University Agronomy

 

Proven-Scientific data saving you $5 to $9 per acre. That’ll buy a lot of groceries!!

https://farmdocdaily.illinois.edu/2020/08/cutting-fertilizer-rates-to-save-costs.html