YADAV, G. S., DATTA, M., BABU, S., DEBNATH, C., & SARKAR, P. (2013). Growth and productivity of lowland rice (Oryza sativa) as influenced by substitution of nitrogen fertilizer by organic sources. The Indian Journal of Agricultural Sciences, 83(10). https://epubs.icar.org.in/index.php/IJAgS/article/view/33663