MAHAJAN, G, V SARDANA, A S BRAR, and M S GILL. 2011. “Effect of Seed Rates, Irrigation Intervals and Weed Pressure on Productivity of Direct-Seeded Rice (Oryza Sativa )*”. The Indian Journal of Agricultural Sciences 76 (12). https://epubs.icar.org.in/index.php/IJAgS/article/view/3361.