Dr. Nastasija Mrkovački, Principal Research Fellow, started work at the Department of Soil Science, Agroecology and Fertilizers in 1985 as assistant on microbiology research at the Microbiology Laboratory. She received her MSc in 1984, and her PhD in 1990. She was appointed Research Assistant in 1991, Senior Research Assistant in 1996, аnd Principal Research Fellow in 1999. She authored or co-authored over 245 research papers and 4 monographs, and patent P-416/95 filed at the Institute for Intellectual Property, Belgrade. Authored a collection of microorganisms reported at 754 NSCNFB, WD Center of microorganisms, Japan (1995).