Extension Ag Update
January/February 2011
Articles Research Resources Internet Links Ag Facts Education

Resources

Publications PlusUniversity of Illinois Agricultural and Horticultural Publications
Call 1-800-345-6087 or order on the web www.PublicationsPlus.uiuc.edu
It’s a one-stop shop for a current catalog of research-based information (Mastercard and VISA accepted)

Nutrient Deficiencies and Application Injuries in Field Crops
http://www.extension.iastate.edu/Publications/IPM42.pdf
John Sawyer, Extension Specialist, Iowa State University
Color photos and descriptions aid in identifying nutrient deficiencies and injury due to fertilizer to accurately diagnose symptoms for corn, soybeans, alfalfa, and winter wheat.

Herbicide Premix Calculators, University of Illinois
“It’s no secret that the introduction of novel herbicide active ingredients has slowed recently, but that at the same time a plethora of premix products has proliferated. Herbicide premixes often can be confusing with respect to component active ingredients, product equivalents, application rates, etc. These interactive tables were designed to allow users to determine equivalent application rates of various herbicide premixes.”