in 2012, ung unsuccessful ly challenged ron jorgensen in the republican primary. two years later, ung was elected to the woodbury county board of supervisors. he told ktiv today he feels that's where he can better serve the people of siouxland. the nebraska farm bureau is advising farmers in the state to make sure they understand the storage because some of them have changed. some recent changes in state law could affect farmers when a grain elevator fails. to collect from a grain dealers security payment, farmers now have to demand payment from a buyer within 15 days after the last shipment in a contract and cash a check within 15 days. previously, it was 30 days. farmers can expect fewer problems shipping their crops this year because railroads have made improvements and the market may encourage more farmers to store their grain initially. railroads have upgraded their networks since the problems of the last couple years. also, low oil prices have slowed the growth of hydraulic fracturing mining, which ships oil and mining materials by rail, so there's less compe