About the Author
Prof. Y.P. Abrol, President ING-SCON (Indian Nitrogen Group), Former Head of the Division of Plant Physiology at the Indian Agricultural Research Institute, Hamdard University, India. Professor Abrol's exhaustive Analysis on nitrogen fertilizer use contributed significantly to the 'understanding of the 'regulation of nitrate assimilation'. Professor Abrol worked out a complete N balance sheet of wheat and barley, which formed the basis for understanding and recommendation for optimal utilization of Nitrogen. He published more than 150 research papers and several review papers in different Indian/International Journals, and also edited 15 volumes of publication in various fields relating to agricultural and plant studies. Professor T.K. Adhya has research interest in the area of environmental microbiology and sustainable agriculture with emphasis on greenhouse gas emission, nitrogen nutrition and microbial diversity analysis, with flooded rice soil as the model ecosystem. Tapan has published more than 140 original research papers in leading national and international journals and authored more than 27 chapters in books published by established national and international publishing houses. He is also the author/coauthor of several international reports published by UNEP, Nairobi, SACEP, Colombo, WRI, USA, FAO, Rome and ISRIC, Netherlands.