Live storage at present constitutes only 10 per cent of the total water potential of the country. Hand in hand technology development in drilling and pumping methods has paved the way for massive exploitation of groundwater mainly for irrigation (85 per cent) and for industry and domestic purposes (15 per cent). Such a localized over drawl of ground water has to be compensated adequately by harnessing surplus monsoonal flows along with expansion of water storage capacities in enhancing the water availability. Stress would need to be laid on conjunctive use of surface and ground water in irrigated commands. Tube wells and wells are the major sources of irrigation in our country. About 30 per cent of the electricity is consumed in pumping water. Operational efficiency of the pump sets is also as low as 30-33 per cent. In diesel pump set, it is about 13 per cent only. IS pumps should therefore be used and the worn out pats be replaced. Use of PVC pipes in place of conventional GI would also help in reduction of friction losses thereby the pumping cost. Canal irrigation systems generally are about 40 per cent efficient resulting in wastage of water and thereby low irrigation efficiencies. On-farm development work to avoid loss of water is therefore critically important. This book contains useful information on “Command Area Development and Management†from the selected technical papers presented during the 37th and 38th ISAE Annual Convention and symposium held at CTAE, MPUAT, Udaipur from Jan 29-31, 2003 and CAET, Dr. B.S. Konkan Krishi Vidyapeeth, Dapoli from Jan 16-18, 2004, respectively.
ABOUT THE AUTHOR Mahesh Kothari
Prof. Mahesh Kothari is Assistant Professor, Department of Soil and Water Engineering, College of Engineering and Technology, Maharana Pratap University of Agriculture and Technology, Udaipur, Rajasthan. He has considerable experience in the area of Soil and Water Engineering discipline.
ABOUT THE AUTHOR R.C. Purohit
Dr. R.C. Purohit is Professor & head, Department of SWE, CTAE, Udaipur. He has considerable experience in the area of Soil and Water Engineering discipline.
ABOUT THE AUTHOR Virendra Kumar
Dr. Virendra Kumar is Professor of Soil and Water Engineering at College of Technology & Agricultural Engineering (CTAE), Maharana Pratap University of Agriculture & Technology, (MPUAT), Udaipur. He has about 30 years of experience in research and teaching. He did his B.Tech. in Agricultural Engg. From Pantnagar in 1973; M.Tech. (Soil & Water Conservation Engg.) in 1976 and Ph.D. in 1990 from IIT, Kharagpur. He has several publications in national and international journals. He has been Head of the department from 1998-2003 and also worked as I/C Dean of the college, 2003. He had an unique opportunity to work in AICRP on Dryland Agriculture as well as in AICRP on Water Management. He also served as chief scientist in AICRP on Water Management. He has been Director (Technical) of Soil & Water Engg., ISAE for two years from 2002-2004. he is also the Chairman of Rajasthan Chapter of ISAE for the last three years. He is Fellow member of Institution of Engineers (India) and Indian Water Resources Society besides being Life Member of ISAE and IASWC. He was bestowed upon the best teacher award of the university in 2003-2004.
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