Ukraine’s state-run railway operator is ready to organise agricultural exports by rail as a matter of urgency, it said on Sunday, after closure of the country’s Black Sea ports because of the military invasion by Russia. A major global agricultural producer and exporter, Ukraine has historically exported its grain, vegetable oils and other food products by ship. “This situation causes problems not only for Ukraine. The share of Ukrainian grain on the world market is 11%, the share of sunflower oil is 55%,” Ukrainian Railways said on social media. “To prevent the global food crisis and save Ukr…