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Gary W. vanLoon is Professor in the Department of Chemistry, and Associate Director of the School of Environment Studies, Queen’s University, Kingston, Ontario, Canada. A member of the Department since 1969, dr. vanLoon’s research mainly focuses on environmental chemistry, particularly issues related to soil-water relations. He has published numerous articles in various journals, and is also the co-author of Environmental Chemistry – A Global Perspective (with Stephen J. Duffy, 2000). A founding member of the School of Environmental Studies at Queen’s University, Dr. vanLoon has over the years been involved in research and environmental projects in India, Nigeria and South Africa.

S.G. Patil is Professor and Head, Department of Environmental Sciences, University of Agricultural Sciences, Dharwad, India. He is also Chief Scientist on the All India Coordinated Project on Water Management. Dr. Patil has contributed a large number of articles to various journals, and is one of the editors of a book on 25 years of research in the ‘Management of salt-affected soils and use of saline water in agriculture’ published by the Indian Council of Agricultural Research. His main areas of interest are salinity management, identification of salt tolerance in crop plants and forest/horticultural species, and bio-drainage.

L.B. Hugar is Professor in the Department of Agricultural Economics, College of Agriculture, Raichur, India. A member of the Department for over 24 years, Dr. Hugar’s areas of interest are natural resource management, farm management economics and agricultural marketing. His work on canal-irrigation water management issues in the Upper Krishna Project formed the basis for the amendment of the Irrigation Act of 2003 by the Government of Karnataka. Dr. Hugar has published numerous articles in various journals, and presented over a dozen research papers at national and international seminars and symposia.