The University of Western Australia

Emeritus Professor of Agronomy, University of Nebraska

Sultan Qaboos University, Muscat, Oman

student BS.HONS(agriculture),UAF

Sabanci University, Istanbul, Turkey

Professor of Agronomy, Massey University

Professor of Soils, Dept. Environmental Science & Tech., University of Maryland

Professor in Ecology, Swedish University of Agricultural Sciences

Professor - University of Western Australia

Centre for Crop Systems Analysis, Wageningen University