For Nutella, Turkish Hazelnuts Are Crucial. For Refugees Toiling on Farms, They’re Cruel. Thousands of small Turkish farms produce 70 percent of the world’s hazelnuts for brands like Nestlé, Godiva and Nutella. A growing number of seasonal workers are Syrian refugees. Their unique set of vulnerabilities can make them easy to exploit by an industry that has eluded oversight. 6m ago60 comments