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Dr. agr. Jörg Rühlmann

Dr. agr.

Jörg Rühlmann

033701 - 78 353


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Speaker of Research Area 4.2


Research profile
Main research interests are related to the effects of differentiated organic and mineral fertilisation on C and N efficiency of systems under arable und horticultural crops, derived mainly from long-term fertilisation experiments (LTEs) at IGZ and in Germany and Europe. These LTEs are also the basis for deriving pedotransfer functions from physical and chemical soil properties for modelling soil processes. In order to apply these findings to heterogenous field conditions, he uses geophysical measurement principles for digital soil mapping and develops appropriate on-the-go soil sensors.


Professional appointments
2012–2013 Responsible for Outsourcing a Soil Mapping Service based on the self-developed Geophilus measurement system
Since 1993 Scientist, IGZ
1988–1993 Research Associate, Institute for Vegetable Growing, Humboldt-Universität zu Berlin


1985–1988 PhD in Horticultural Science, Humboldt-Universität zu Berlin
1980–1985 Study of Tropical Agriculture, Universität Leipzig


Major engagements and other professional roles (selection)
  • Founding of the Geophilus GmbH (2014)
  • Founding of the Geophilus GbR (2013)
  • Responsible for Outsourcing a soil mapping service based on the “Geophilus”( 2012–2013)      
  • Development of the on-the-go soil mapping system “Geophilus”, in cooperation with Dr E. Lück, Potsdam Universität, Inst. of Earth and Environmental Sciences (Since 2004)   


Berlin-Brandenburg Business Plan Competition for People Starting up in Business 2013, Level 1, Category Technology, 2nd Place