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