Negotiators for both sides will meet in Istanbul on Friday to sign the deal, in a meeting that will be attended by Turkish President Recep Tayyip Erdogan and UN Secretary-General Antonio Guterres, who played a key role in negotiating the deal.
Ukraine and Russia are both vital exporters of wheat and grain, and together provide about 30 percent of the global supply
A day after the Istanbul talks last week,
Washington also assured banks, shipping and insurance companies that transactions to facilitate Russian food and fertiliser exports would not breach Washington's sanctions on Moscow over its invasion of Ukraine.
Both Russia and Ukraine can ship food and fertilizer..