Leaders of five major U.S. commodity groups are calling on Congress to move quickly on key agriculture legislation, including approval of nationwide, year-round E15 sales and passage of a permanent five-year farm bill.

With low commodity prices and elevated input costs squeezing margins year over year, the heads of the National Corn Growers Association (NCGA), National Sorghum Producers (NSP), American Soybean Association (ASA), Association of Equipment...