GROSSDERSCHAU, GERMANY - AUGUST 14:  Summer wheat grows in a field during harvest time at a cooperative farm on August 14, 2015 near Grossderschau, Germany. The German Farmers' Association (Deutscher Bauernverband) is due to announce annual grain harvest results this week. Some farmers have reported a disappointing harvest due to the dry weather in recent months.  (Photo by Sean Gallup/Getty Images)