15 February 2016, Rome, Italy - Denis Mujibi, Nelson Mandela African Institute for Science and Technology, Arusha, Tanzania and David Penman, University of Stirling, Stirling, United Kingdom. FAO International Symposium on ?he Role of Agricultural Biotechnologies in Sustainable Food Systems and Nutrition". Parallel Session: improving Productivity through enhanced resource use efficiency. (Red Room), FAO Headquarters.