SERVICE TO EDUCATION
Chairman, International Agricultural Development Masters Program. 2005-2008
Master Advisor, IADGG
National Fulbright Student Fellowship Committee, 2006-present.
MAJOR RESEARCH INTERESTS
Plant and Soil Nutrition. Perennial Horticulture. Physiology and biochemistry of plant nutrient uptake, interactions of nutrition with disease resistance and the selection of crops with improved nutrient efficiency. Nutritional requirements of both annual and perennial systems, application technology and development of environmentally sound fertilizer use. Molecular and genetic aspects of nutrient acquisition and tolerance. Nutritional physiology. Boron, Nickel.
American Society for Plant Physiology
American Society for Horticultural Science
International Society for Horticultural Science
American Society of Agronomy
PROFESSIONAL SOCIETY LEADERSHIP POSITIONS
Council Member, International Colloquium for Plant Nutrition 2002-present.
President/Convenor, Boron in Biology, 2002-5
President/Convenor, International Colloquium for Plant Nutrition, 2005-2009
Associate Editor, Journal of Soil Science and Plant Nutrition
Associate Editor, International Journal of Agronomy