The article highlights the opening and closing of Senegal's borders for onion imports due to local supply issues and the need to protect local production from cheaper imports. It notes that Dutch exporters have been urged to limit their sales to Senegal to prevent market flooding. A significant portion of the Dutch onion export, 12%, is shipped to Senegal, making it the country's largest buyer for many years. The article also mentions that Senegal's consumption of onions is similar to that of the Netherlands, with about 1,000 tonnes consumed daily.