 Wheat, barley, oats, and rye are grown, with the rye being grown near Borde, where it is used to make "Burger Knäckebrot", a flatbread produced there since 1931.Another 10% of the cultivated area is planted in sugar beets for conversion to sugar, popularized after the 19th century, when the region had an economic boom.Elements of international cuisine (apart from influences from neighbouring countries) are a relatively recent phenomenon in German cuisine, compared with other West European states.