24th Professor J.N. Mukherjee – ISSS Foundation Lecture delivered at the 71st Annual Convention of the Indian Society of Soil Science held at Bhubaneswar, Orissa, November, 2006.
Bijay-Singh (2007) Potassium Imbalances and Sustainability of the Rice-Wheat Cropping Systems in South Asia. Presented at International Symposium on Balanced fertilization for sustainability of crop productivity at Punjab Agricultural University, Ludhiana, India, 22-25 November, 2006.
Bijay Singh (2007) In-season estimation of yield potential and nitrogen management using hand-held GreenSeekerTM optical sensor in the rice-wheat system in the Indo-Gangetic plain. Presented at the 4th International Nitrogen Conference held at Costa do Sauipe, Bahia, Brazil, 1-5 October, 2007
Bijay Singh (2007) Improving Nutrient Management in Rice in the Indo-Gangetic Plain in India - the role of IRRI/IRRC. Presented at Irrigated Rice Research Consortium steering Committee Meeting held at Hanoi, Vietnam, 8-10 October, 2007.
Bijay Singh (2008) Residue management in rice-wheat system. Presented at seminar on: Basic and strategic research for enhancing productivity and sustainability in wheat held at 47th All India Wheat and Barley Research Workers’ meet, CCS Haryana Agricultural University, Hisar, Haryana, August 17-20, 2008.
Bijay Singh (2009) Fertilizers, pesticides and food quality. Present at national symposium on ‘Nutrient: From Farm to Feast’ held at Khalsa college for Women, Amritsar, March 7, 2009.
Bijay Singh (2009) Efficient Management of Nutrients in Cereal-based Cropping Systems. Presented at Regional Workshop for SAARC countries on – Nutrient Use Efficiency in Agriculture held at CSSRI, Karnal, September 9-11, 2009.
Bijay Singh (2009) Nitrogen Management in Agro-ecosystems: Some Recent Advances. Professor Krishna Sahai Bilgrami memorial award lecture delivered at OUAT, Bhubaneswar under the auspices of INSA local chapter, October, 7, 2009.
Bijay Singh and Yadvinder Singh (2009) Site-specific nutrient management for improved nutrient use efficiency in rice and wheat based cropping systems. Presented at the Indian Society of Soil Science Platinum Jubilee symposium on Enhancing Nutrient and Water Use Efficiency for Improving Crop Productivity and Environmental Quality - New Dimensions held at IARI, New Delhi on December 23, 2009.
Bijay Singh (2010) Productivity and Fertility of Soils in the Indo-Gangetic plains of South Asia. Presented at the International Conference on Soil Fertility and Soil Productivity - Two Features to be Distinguished, Differences of Efficiency of Soils for Land Uses, Expenditures and Returns, at Humboldt Universität, Germany, Berlin, Germany from 17 to 20 March, 2010.
Bijay Singh (2010) Need-based fertilizer nitrogen applications to crops – A need of the time. Presented at National Seminar on Fertilizers and Environment held at University of Calcutta, Kolkata on 26th June 2010.
Bijay Singh (2010) Nitrate pollution of groundwater in Indian agriculture. Presented at the International Conference on Plant Nutrition held at ICRISAT, Patancheru, Hyderabad from 11th to 13th August, 2010.
Bijay Singh (2010) Potassium Imbalances – A threat to sustainability of the rice-wheat cropping system in the Indo-Gangetic plains. Presented at the national seminar on Potassium in Soils and Crop Health held at Amity University, Noida on 1st October, 2010.
Bijay Singh (2010) Soil Health – The Challenges Ahead. Presented at the Fertiliser Association of India Annual Seminar 2010 held at New Delhi from 29th November to 1stDecember, 2010.
Bijay Singh (2010) Site-specific need-based fertilizer nitrogen applications to crops – A need of the time. Presented at the 5th International Nitrogen Conference held at New Delhi from 3rd to 7th December, 2010.
Bijay Singh (2011) Anthropogenic Interventions in the Nitrogen Cycle: Implications for Soil health and Climate Change. Dr. Gurcharan Singh Sekhon Memorial lecture of the Indian Society of Soil Science delivered at Punjab Agricultural University, Ludhiana on 29 September, 2011.
Bijay Singh (2011) Need-based nitrogen management for sustainable high productivity and fertilizer use efficiency in agro-ecosystems. Keynote address delivered at the session on Cropping Systems & Sustainable Management in the 10th International Conference of the East and South-east Asia Federation of the Soil Science Societies, Colombo, Sri Lanka, 10-11, October, 2011.
Bijay Singh (2011) Potassium imbalance: A threat to sustainability of agro-ecosystems. Presented at the International Symposium on Role of Potassium in sustaining the yield and its quality. Kandy, Sri Lanka, 27- 28 October, 2011.
Bijay Singh (2012) Anthropogenic Interventions in the Nitrogen Cycle:
Implications for Soil health and Climate Change. Delivered at National Agricultural Research Centre, Islamabad, Pakistan on 18 January, 2012.