As the war fuels inflation, Biden plans to address rising prices and global shortages.

President Biden and the U.S. secretary of agriculture are expected to visit a farm in Illinois on Wednesday at a moment of deep concern about rising food prices and the availability of food in poorer parts of the world. Mr. Biden is expected to discuss how Russia’s invasion of Ukraine is raising food prices and how U.S. farmers can help alleviate global food shortages, according to the White House.

Food prices have skyrocketed globally, the result of supply chain disruptions, severe weather, energy costs and Russia’s invasion of Ukraine. Russia, Belarus and Ukraine are critical producers of fertilizer, wheat, corn and other commodities, and many of those products have been trapped as a result of the invasion. At the same time, more than 40 countries have begun restricting exports of grains, oils and other key products as governments look to protect their own stockpiles amid rising costs and shortages.

During a congressional hearing on Tuesday, Treasury Secretary Janet L. Yellen said the United States was “terribly concerned about global food supplies,” adding that 275 million people globally face starvation.

Food prices in the United States are also increasing. The price of food rose 0.9 percent in April from the previous month, according to data released on Wednesday.

It remains to be seen whether the United States can increase production in a meaningful way. But the visit to a farm in Kankakee, Ill., comes as Mr. Biden, under pressure over the fastest pace of inflation in 40 years, tries to reassure Americans that his administration is taking price increases seriously.