But, after a severe famine in the 1770s, German monarchs - notably Frederick the Great of Prussia - promoted the kartoffel as a staple food crop as well.

• 但是在十八世纪70年代发生严重饥荒后,德国的君主,即普鲁士大帝弗雷德里克也将这种块茎作为主粮予以推广。