A field of maize in Godewaersvelde, northern France. Gains in maize, or corn, prices have been behind most of the world food price increases in recent months, but the FAO says tightening wheat ... more 

A field of maize in Godewaersvelde, northern France. Gains in maize, or corn, prices have been behind most of the world food price increases in recent months, but the FAO says tightening wheat supplies are also becoming a concern less