Nedunchezhiyan M, Byzu G, Naskar SK. Yield potential and economics of elephant foot yam (Amorphophallus paeoniifolius) + greengram (Vigna radiata) intercropping system as influenced by mulching and fertilizers levels. Indian J Agri Sci. 2008;78(1). Accessed October 27, 2025. https://epubs.icar.org.in/index.php/IJAgS/article/view/9759