 Upper Nadderud remained a farm, most notably under the ownership of Hans Burum from 1911 to his death in 1925.The farm had livestock, and also grew rare vegetables and fruits such as tomato, cucumber and melon, which proved especially important during World War I.The farm had eight horses, eighteen cattle and 25 sheep in 1826, and in 1939 the farm had four horses, 40 cattle and 365 swine.