Diemo Daum is a full professor at the Faculty of Agricultural Sciences and Landscape Architecture, Osnabrueck University of Applied Sciences. He is a professor of plant nutrition and chemistry of soil and substrate. He has so far authored and co-authored 61 research and conference papers. Since February 2007, he has been a professor and head of the Department of Plant Nutrition in Horticulture at Osnabrueck University of Applied Sciences.