From the source: "I had to spend some time with google to find the right spelling." Apparently time not well spent. 'Hugelkultur' is not a German word. 'Hügel

From the source: "I had to spend some time with google to find the right spelling." Apparently time not well spent. 'Hugelkultur' is not a German word. 'Hügelkultur' is. Or you can write it out as 'Huegelkultur'. ü->ue.