Symposium on ‘Management of Alluvial, Black, Red and Laterite Soils for Crop Production’ held on 10-11 May, 1964 at Punjab Agricultural University, Ludhiana (Punjab)
National Symposium on ‘Water Management’ held on May, 1966 at Rajasthan College of Agriculture, Udaipur (Rajasthan)
National Symposium on ‘Multiple Cropping’ held on 7-8 October, 1972 at Haryana Agricultural University, Hisar (Haryana)
4 National Seminar on ‘Agronomy Teaching’ held on 10 September 1977 at Janta Vedic College, Baraut, Meerut (Uttar Pradesh)
National Symposium on ‘Non-monetary Inputs in Field Crop Production’ held on 11-12 February, 1978 at Haryana Agricultural University, Hisar (Haryana)
National Symposium on ‘Crop Management to Meet New Challenges’ held on 14-16 March, 1981 at Haryana Agricultural University, Hisar (Haryana)
National Symposium on ‘Agronomy 2000 AD – Looking Ahead’ held on 7-9 February, 1983 at Punjabrao Deshmukh Krishi Vidyapeeth, Nagpur Campus (Maharashta)
National Symposium on ‘Cropping Systems’ held on 3-5 April, 1985 at Central Soil Salinity Research Institute, Karnal (Haryana)
National Symposium on ‘Alternate Farming Systems’ held on 21-23 February 1987 at Indian Agricultural Research Institute, New Delhi
National Symposium on ‘Efficient Cropping Systems Zones of India’ held on 7-10 January, 1988 at University of Agricultural Sciences, Bangalore (Karnataka)
National Symposium on ‘Agroforestry Systems in India – Research and Development’ held on 11-13 January 1989 at Central Research Institute for Dryland Agriculture, Hyderabad (Andhra Pradesh)
12 National Symposium on ‘Resource Management for Sustained Crop Production’ held on 25-28 February, 1992 at Rajasthan Agricultural University, Bikaner (Rajasthan)
National Symposium on ‘Integrated Input Management for Efficient Crop Production’ held on 22-25 February, 1994 at Tamil Nadu Agricultural University, Coimbatore (Tamil Nadu)
National Symposium on ‘Agronomy, Environment and Food Security for 21st Century’ held on 11-13 December, 1996 at Haryana Agricultural University, Hisar (Haryana)
National Symposium on ‘Agronomy: Challenges and Strategies for the New Millennium’ held on 15-18 November, 2000 at Gujarat Agricultural University Campus, Junagadh (Gujarat).
National Symposium on National Symposium on ‘Resource Conservation and Agricultural Productivity’ held on 15-18 November, 2004 at Punjab Agricultural University, Ludhiana (Punjab).
Golden Jubilee National Symposium on ‘Conservation Agriculture and Environment’ held on 23-26 October, 2006 at Banaras Hindu University, Varanasi (Uttar Pradesh)
National Symposium on “New Paradigms in Agronomic Research” held on November 19, 2008 at NAU, Navsari, Gujarat
XIX National Symposium on “Resources Management Approaches Towards Livelyhood Security” held on 2-4 December, 2010 at University of Agricultural Sciences, Bangluru, Karnataka.