Manuel T. Oliveira is Professor in the Department of Agronomy at Universidade Tras os Montes e Alto Douro (UTAD), specializing in soil science and viticulture. He was head of the Department of Agronomy and a member of the scientific council of UTAD. He was an invited researcher at Cornell University (USA), Catholic University of Santiago (Chile), and Universidad de La Rioja (Spain). He is a member of the editorial council of Plant and Soils and a regular referee for Sustainable Agriculture Research and Agriculture Ecosystem & Environment. He is a member of the Soil Science Society of America, American Society of Agronomy, Horticultural Society of Portugal, and Portuguese Society of Agricultural Science. He is also a member of the Portuguese Association for National Defense.