Rolf Sommer

Co-leader of Restoring Degraded Landscapes

r.sommer (at)

Dr Rolf Sommer has joined the International Center for Tropical Agriculture, CIAT, in January 2013. He is working in the field of soil health/fertility, soil nutrition and crop modeling, and is CIAT’s CCAFS focal point for soil related research under CRP7.

His past research activities comprise the assessment of soil fertility under Conservation Agriculture, the impact of climate change on wheat productivity in Central Asia and Syria, the assessment of the water, nutrient and salt dynamics of agro-ecosystems in the tropics as well as dry areas, aided by simulation modeling. 

Before joining CIAT, he worked for several years as a senior scientist at the International Center for Agricultural Research in the Dry Area (ICARDA), and at the Center for Development Research, University of Bonn (Germany). 

Rolf Sommer holds a Ph.D. in Agronomy and a M.Sc. in Biology, and in the last 15 years has published over 30 peer-reviewed articles and numerous conference proceedings and online publications (see

Contents authored by Rolf Sommer