1. Aggarwal GC, Sidhu AS, Sekhon NK, Sandhu KS, Sur HS (1995) Puddling and N management effects on crop response in a rice-wheat cropping systems. Soil Till Res 36:129–139
2. Anonymous (2020a) Package of practices for kharif crops. Punjab Agricultural University, Ludhiana, pp. 9
3. Anonymous (2020b) Ground Water Resources of Punjab State, ENVIS Centre: Punjab, Status of Environment & Related Issues, Punjab State Council for Science & Technology, Chandigarh, Ministry of Environment, Forests & Climate Change, Govt. of India. http://punenvis.nic.in/index
4. Anonymous (2020c) Ground Water Cell Department of Agriculture and Farmers Welfare, Haryana
5. Audsley E, Stacey KF, Parsons DJ, Williams AG (2009) Estimation of the greenhouse gas emissions from agricultural pesticide manufacture and use. Cranfield University, Cranfield