Tropentag organisers have extended the deadline for submission of abstracts until Monday, 30th May 2011. If you are a researcher in the fields of resource management, environment, agriculture, forestry, fisheries, food, nutrition and related sciences, don't miss you chance to share results and insights with the world of development-oriented research. Tropentag 2011 takes place in Bonn, Germany, with participants coming from almost 70 countries. Among others, keynote speakers include Gordon R. Conway (Imperial College London), Rattan Lal (Ohio State University), Paul Richards (Wageningen University), Tewolde Berhan (World Future Council), Hans J. Preuss (GIZ), Anthony Patt (IIASA), Christian Borgemeister (ICIPE), Ravinder Paul Singh Malik (IWMI), and Carla Roncoli (University of Georgia). Short biographies of this year's keynote spekers coming up in this blog!