V. K. Mishra and R. Saha, “Soil physical behaviour and rice (Oryza sativa) yield under different sources of organics, methods of puddling and zero tillage”, Indian J Agri Sci, vol. 78, no. 5, May 2008, Accessed: Oct. 27, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/IJAgS/article/view/9784