The article outlines the potential implications of the Russian invasion of Ukraine on Iowa farmers, as discussed by Chad Hart, an agricultural economist at Iowa State University. Hart highlights that the conflict could inadvertently create new markets for US grain, given the disruption to exports from Russia and Ukraine. Despite the potential benefits, Hart is skeptical of the effectiveness of embargoes, citing the significant changes in global markets since the 1980s. The article also touches on the logistical challenges for Ukrainian farmers due to the conflict, affecting the planting and production of wheat and corn.