B. Gangaiah and M. Prasad Babu, “Brown manuring as a tool of weed management and contributor to nitrogen nutrition of direct wet seeded rice”, ORYZA, vol. 53, no. 4, Feb. 2017, Accessed: Oct. 20, 2025. [Online]. Available: https://epubs.icar.org.in/index.php/OIJR/article/view/71458