PAUL, T. (2016) “Crop establishment methods and Zn nutrition in Bt-cotton: Direct effects on system productivity, economic-efficiency and water-productivity in Bt-cotton-wheat cropping system and their residual effects on yield and Zn biofortification in wheat”, The Indian Journal of Agricultural Sciences, 86(11), pp. 1406–12. doi:10.56093/ijas.v86i11.62892.