KNOXVILLE, Tennessee, Aug. 23 -- The University of Tennessee's Institute of Agriculture issued the following news release: * * * UT Extension Releases Grain Marketing Contract Video Series New Educational Resources Support Tennessee Grain Producers * Navigating the complexities of grain marketing is a critical part of farm profitability and risk management. Understanding marketing contracts and how they can be used to manage price risk is essential for corn, soybean and wheat producers in T  more