University of Maine Cooperative Extension will offer two online updates with information specific to the agricultural industry 7–8 p.m. Jan. 13.  “Recognizing Herbicide Injury in Potatoes” will be presented by North Dakota State University Extension potato agronomist Andy Robinson, followed by “The Steps Used in ELISA Tests” with University of Maine School of Biology and read more UMaine Extension offers online updates for agricultural industry Jan. 13