“Knee High by the 4th of July!” and Corn Insecticide Decisions
Bill Cissel, Extension Agent – Integrated Pest Management; bcissel@udel.edu, Phillip Sylvester, Extension Agent – Agriculture, Kent County; philllip@udel.edu and David Owens, Extension Entomologist, owens@udel.edu The old farming adage “Knee high by the 4th of July”, a benchmark used to indicate… Continue Reading