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Nitrogen fertilizers are the inescapable necessity to enhance agricultural production and to sustain food security. However, their inefficient use accrues from inherent limitations of the crop plants as well as the manner in which N fertilizers are formulated, applied and managed. Excessive accumulation of N in the environment leads to soil acidification, pollution of groundwater and eutrophication of surface water, posing a public health problem as well as ecosystem imbalance. Moreover, the ozone layer depletion and greenhouse effects of NOx gases have global implications. Agricultural Nitrogen Use: Environmental Implications provides a comprehensive, interdisciplinary description of problems related to the efficient use of nitrogen in agriculture, in the overall context of the nitrogen cycle, its environmental and human health implications, as well as various approaches to improve N use efficiency. The book is presented in six sections: N Use, Flows and Cycling in Agricultural Systems; N Use Efficiency in Crop Ecosystems; Management Options and Strategies for Enhancing N Use Efficiency; Plant Physiological and Molecular Aspects of Enhancing N Use Efficiency; Role of Legumes and Biofertilizers in Agricultural N Economy; and Environmental and Human Health Implications.
Y.P. Abrol :- Former head of the Division if Plant Physiology, Indian Agricultural Research Institute, New Delhi. Prof. Abrol has worked as Emeritus Scientist (CISR). Senior Scientist (Indian National Science Academy) and is presently Adjunct Professor and Honorary Scientist at Indian National Science Academy. He obtained his Ph.D degree from the University Of Chicago (USA) and worked as a Post-doctoral Fellow at the University of California, Davis. He has seen National Fellow (ICAR) from 1978-84. He has profusely published research/review articles in International and National Journals, besides editing a number of books/proceedings. His area of interest include climate variability/change in Agriculture; Land Use/Cover Change. Nitrogen Utilization/ Metabolism in crop plants. He is a Fellow of the Indian National Science Academy; Indian Academy of Sciences, National Academy of Sciences and National Academy of Agricultural Science. Prof. Abrol received several awards notably Dr. R D Asana Award, Sukumar Basu Award, VASVIK, and FICCI Award.M.S. Sachdev :- M.S. SachdevPrincipal ScientisN. Raghuram :- N. RaghuramReader, School of Biotechnology