Hop production in non-traditional growing regions continues to strengthen. Areas that were once decimated by hop diseases, such as downy mildew, have reemerged and are thriving. Although climate in the North Central region still poses challenges, new developments in pesticides and cultivar selections have mitigated some of these risks.
"Evaluating the Effects of Nitrogen Fertilization on Cascade Hop Yield,"
Farm Progress Reports: Vol. 2017
, Article 41.
Available at: https://lib.dr.iastate.edu/farmprogressreports/vol2017/iss1/41