The agricultural systems have encountered various kinds of ecological and environmental problems due to the growing pressure of human population on the carrying capacity of land and the productivity. There is no scope for horizontal expansion of land for food, feed and fibre production. Only vertical expansion is possible by integrating appropriate farming component, requiring less space and time while ensuring periodic income to the farmers. The ultimate goal of sustainable agriculture is to conserve the natural resource base, protect the environment, and enhance the health and safety of human population over a longer period, which can be achieved by proper understanding the science behind farming system–principles and practices. Thus, this book will definitely serve as a reference book for the agricultural students, extension personnel, scientists and policy makers.
ABOUT THE AUTHOR P. Devasenapathy
Dr. P. Devasenapathy, Ph.D., Professor, Department of Agronomy, Tamil Nadu Agricultural University, has 25 years of teaching, research and extension experience. He completed his B.Sc. (Ag.) during 1979 and M.Sc. (Ag.) during 1981. He obtained Ph.D. during 1994 from Tamil Nadu Agricultural University, Coimbatore-3 with specialization in cropping system research and soil fertility. He worked in various disciplines like Water Technology Centre, Training Division and Energy Requirement Scheme. Presently working as Chief Agronomist of the AICRP on cropping systems and Principle Investigator for Organic Farming Scheme at Tamil Nadu Agricultural University. Visited IRRI, Philippines under AHRD-FAO fellowship for training on nutrient management in rice based cropping system and Scilanka for International Conference. He has 60 research papers in both national and international journals to his credit and guiding Post Graduate and Ph.D. Students of Agronomy. He has participated in several trainings, symposium, seminars and conferences at national and international levels. He has handled World Bank projects and coordinated for the development of policy documents to Government of Tamil Nadu.
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