Crop production changes at a rapid pace. New products, label revisions, regulatory requirements, and soil nutrient recommendations are just some of the items you need to stay up to date on to better serve your customers. The Ag Chemical Dealer Updates are designed to do just that. The Ag Chemical Dealer Updates are intended to deliver the latest crop production recommendations, news, and information directly from Iowa State University (ISU) Extension. Each location features updates on weed, insect, crop disease, and soil nutrient management brought to you by Iowa State University experts.