A massive backlog of grain shipments is piling up in Ukraine to the tune of nearly 25 million tonnes due to ‘infrastructure challenges’ and blocked ports in the Black Sea, including Mariupol, Reuters reports, citing a UN food agency official.’ Ukraine was the fourth-largest exporter of maize (corn) in the 2020/21 season, and the sixth-largest wheat exporter in the world, according to the International Grains Council. “It’s an almost grotesque situation we see at the moment in Ukraine with nearly 25 mln tonnes of grain that could be exported but that cannot leave the country simply because of lack of...